Paul Tasker

Q: What Schools Are Affiliated With Paul Tasker

Paul Tasker is affiliated with the following schools: University of Oxford, Imperial College London, Cardiff University, Cornell University, University of Manchester

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Paul Tasker

Engineering

#6819

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#8165

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Civil Engineering

#416

World Rank

#487

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Mechanical Engineering

#809

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#872

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Applied Physics

#2808

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Engineering

Paul Tasker's Degrees

Bachelors Mechanical Engineering University of Manchester
PhD Civil Engineering Imperial College London

Why Is Paul Tasker Influential?

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According to Wikipedia, Paul Juan Tasker is an electrical engineer known for his research on microwaves. He is a professor at Cardiff University, Wales, and a Fellow of the Institute of Electrical and Electronics Engineers.

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Paul Tasker's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

A Methodology for Realizing High Efficiency Class-J in a Linear and Broadband PA (2009) (326)
On the Continuity of High Efficiency Modes in Linear RF Power Amplifiers (2009) (311)
Importance of source and drain resistance to the maximum f/sub T/ of millimeter-wave MODFETs (1989) (212)
Control of differential gain, nonlinear gain and damping factor for high-speed application of GaAs-based MQW lasers (1993) (162)
On the Extension of the Continuous Class-F Mode Power Amplifier (2011) (151)
Waveform Inspired Models and the Harmonic Balance Emulator (2011) (133)
Practical waveform engineering (2009) (121)
A novel highly efficient broadband continuous class-F RFPA delivering 74% average efficiency for an octave bandwidth (2011) (115)
A physical, yet simple, small-signal equivalent circuit for the heterojunction bipolar transistor (1997) (115)
Bias dependence of the MODFET intrinsic model elements values at microwave frequencies (1989) (110)
The role of inefficient charge modulations in limiting the current-gain cutoff frequency of the MODFET (1988) (87)
Analysis of DC–RF Dispersion in AlGaN/GaN HFETs Using RF Waveform Engineering (2009) (85)
The Continuous Inverse Class-F Mode With Resistive Second-Harmonic Impedance (2012) (84)
The Continuous Class-F Mode Power Amplifier (2010) (82)
Single half-wavelength ultrasonic particle filter: predictions of the transfer matrix multilayer resonator model and experimental filtration results. (2002) (82)
A Vector Corrected High Power On-Wafer Measurement System with a Frequency Range for the Higher Harmomcs up to 40 GHz (1994) (81)
An efficient, linear, broadband class-J-mode PA realised using RF waveform engineering (2009) (78)
Nonlinear Data Utilization: From Direct Data Lookup to Behavioral Modeling (2009) (77)
Highly efficient operation modes in GaN power transistors delivering upwards of 81% efficiency and 12W output power (2008) (73)
A study of the effect of envelope impedance on intermodulation asymmetry using a two-tone time domain measurement system (2002) (72)
Kink effect in submicrometer-gate MBE-grown InAlAs/InGaAs/InAlAs heterojunction MESFETs (1988) (71)
Continuous Mode Power Amplifier Design Using Harmonic Clipping Contours: Theory and Practice (2014) (69)
Impedance characteristics of quantum-well lasers (1994) (64)
A simplified broad-band large-signal nonquasi-static table-based FET model (2000) (64)
Direct extraction of nonlinear FET Q-V functions from time domain large signal measurements (2000) (64)
Optical and microwave performance of GaAs-AlGaAs and strained layer InGaAs-GaAs-AlGaAs graded index separate confinement heterostructure single quantum well lasers (1990) (61)
Characterization of ultra-high-speed pseudomorphic AlGaAs/InGaAs (on GaAs) MODFETs (1989) (59)
Influence of quantum-well width on device performance of Al/sub 0.30/Ga/sub 0.70/As/In/sub 0.25/Ga/sub 0.75/As (on GaAs) MODFETs (1989) (57)
Exploring the design space for broadband pas using the novel “continuous inverse class-F mode” (2011) (52)
0.2- mu m gate-length atomic-planar doped pseudomorphic Al/sub 0.3/Ga/sub 0.7/As/In/sub 0.25/Ga/sub 0.75/As MODFETs with f/sub T/ over 120 GHz (1988) (48)
Behavioral model analysis of active harmonic load-pull measurements (2010) (47)
Charge control, DC, and RF performance of a 0.35- mu m pseudomorphic AlGaAs/InGaAs modulation-doped field-effect transistor (1988) (44)
Coplanar millimeter-wave ICs for W-band applications using 0.15 μm pseudomorphic MODFETs (1996) (43)
A novel measurement based method enabling rapid extraction of a RF Waveform Look-Up table based behavioral model (2008) (41)
Pulsed Large Signal RF Performance of Field-Plated Ga2O3 MOSFETs (2018) (41)
The effect of baseband impedance termination on the linearity of GaN HEMTs (2010) (39)
Efficient high-speed direct modulation in p-doped In/sub 0.35/Ga/sub 0.65/As/GaAs multiquantum well lasers (1992) (38)
Novel wide band high-efficiency active harmonic injection power amplifier concept (2010) (36)
Strained‐layer InGaAs‐GaAs‐AlGaAs graded‐index separate confinement heterostructure single quantum well lasers grown by molecular beam epitaxy (1989) (36)
Design Approach for Realization of Very High Efficiency Power Amplifiers (2007) (35)
The Continuous Class-F Mode Power Amplifier (2010) (35)
An Accurate Calibrate-Able Multiharmonic Active Load–Pull System Based on the Envelope Load–Pull Concept (2010) (35)
Design and characterization of high performance 60 GHz pseudomorphic MODFET LNAs in CPW-technology based on accurate S-parameter and noise models (1992) (34)
0.1 μm gate length MODFETs with unity current gain cutoff frequency above 110 GHz (1988) (34)
Direct extraction of nonlinear FET I-V functions from time domain large signal measurements (1998) (32)
Design data for millimeter wave coplanar circuits (1993) (32)
Control of Short-Channel Effects in GaN/AlGaN HFETs (2006) (32)
Experimental evaluation of an active envelope load pull architecture for high speed device characterization (2005) (32)
dc and rf measurements of the kink effect in 0.2 μm gate length AlInAs/GaInAs/InP modulation‐doped field‐effect transistors (1989) (31)
Active harmonic load-pull system for characterizing highly mismatched high power transistors (2005) (31)
Direct extraction of LDMOS small signal parameters from off-state measurements (2000) (31)
GaAs X-band high efficiency (>65%) Broadband (>30%) amplifier MMIC based on the Class B to Class J continuum (2011) (31)
A 40W push-pull power amplifier for high efficiency, decade bandwidth applications at microwave frequencies (2012) (30)
Linearity improvement in RF power amplifier system using integrated Auxiliary Envelope Tracking system (2011) (30)
High power active harmonic load-pull system for characterization of high power 100-watt transistors (2005) (30)
Impedance, modulation response, and equivalent circuit of ultra-high-speed In/sub 0.35/Ga/sub 0.65/As/GaAs MQW lasers with p-doping (1994) (29)
Analysis of DC-RF dispersion in AlGaN/GaN HFETs using pulsed I-V and time-domain waveform measurements (2005) (28)
Direct Extraction of All Four Transistor Noise Parameters from a Single Noise Figure Measurement (1992) (27)
Electronic multi-harmonic load-pull system for experimentally driven power amplifier design optimization (2009) (26)
Attenuation of millimeterwave coplanar lines on gallium arsenide and indium phosphide over the range 1-60 GHz (1992) (26)
Peak Class F and Inverse Class F Drain Efficiencies Using Si LDMOS in a Limited Bandwidth Design (2009) (25)
dc characterization of the AlGaAs/GaAs tunneling emitter bipolar transistor (1987) (24)
Highly Reflective Load-Pull (2011) (24)
Microwave characterisation of 1 μm-gate AI 0.48 In 0.52 As/Ga 0.47 In 0.53 As/InP MODFETs (1987) (24)
Buffer-Induced Current Collapse in GaN HEMTs on Highly Resistive Si Substrates (2018) (23)
Envelope domain analysis of measured time domain voltage and current waveforms provide for improved understanding of factors effecting linearity (2003) (23)
Microwave characterization of very high transconductance MODFET (1984) (22)
A Novel Approach for Effective Import of Nonlinear Device Characteristics into CAD for Large Signal Power Amplifier Design (2006) (22)
Wide band high-efficiency power amplifier design (2011) (22)
New MODFET small signal circuit model required for millimeter-wave MMIC design: extraction and validation to 120 GHz (1995) (22)
Full extraction of PHEMT state functions using time domain measurements (2001) (21)
Systematic waveform engineering enabling high efficiency modes of operation in Si LDMOS at both L-band and S-band frequencies (2008) (20)
Electroluminescence of hot electrons in AlGaN/GaN high-electron-mobility transistors under radio frequency operation (2015) (20)
110 GHz amplifiers based on compact coplanar W-band receiver technology (1995) (20)
The impact of system impedance on the characterization of high power devices (2007) (20)
HBT small signal T and /spl pi/ model extraction using a simple, robust and fully analytical procedure (2002) (20)
Evaluation of a GaN HEMT transistor for load- and supply-modulation applications using intrinsic waveform measurements (2010) (20)
Large-Signal Oscillator Design Procedure Utilizing Analytical $X$-Parameters Closed-Form Expressions (2012) (20)
On-wafer large signal power, S-parameter and waveform measurement system (1994) (20)
PAE improvement using 2nd harmonic source injection at x-band (2012) (20)
A Novel Formulation for High Efficiency Modes in Push-Pull Power Amplifiers Using Transmission Line Baluns (2012) (19)
Direct extraction of non-linear intrinsic transistor behaviour from large signal waveform measurement data (1996) (19)
Demystifying Device related Memory Effects using Waveform Engineering and Envelope Domain Analysis (2008) (19)
A LSNA configured to perform baseband engineering for device linearity investigations under modulated excitations (2013) (18)
Application of an NVNA-Based System and Load-Independent X-Parameters in Analytical Circuit Design Assisted by an Experimental Search Algorithm (2013) (18)
Using active IF load-pull to investigate electrical base-band induced memory effects in high-power LDMOS transistors (2007) (18)
Improvements to On-Wafer Noise Parameter Measurements (1990) (17)
Behavioral Modeling of GaN Power Amplifiers Using Long Short-Term Memory Networks (2018) (17)
High speed selfaligned GaInP/GaAs HBBTs (1993) (17)
Wideband PA Design: The "Continuous" Mode of Operation (2012) (17)
Novel Approach to the Extraction of Transistor Parameters from Large Signal Measurements (1994) (17)
Single-tone optimisation of an adaptive-bias Doherty structure (2003) (17)
A measurement test-set for characterisation of high power LDMOS transistors including memory effects (2005) (16)
Controlling Active Load–Pull in a Dual-Input Inverse Load Modulated Doherty Architecture (2012) (16)
Vertically compact 15 GHz GaAs/AlGaAs multiple quantum well laser grown by molecular beam epitaxy (1991) (16)
Continuous-ClassF3 power amplifier mode varying simultaneously first 3 harmonic impedances (2012) (16)
High-power time-domain measurement bench for power amplifier development (2002) (16)
The impact of baseband electrical memory effects on the dynamic transfer characteristics of microwave power transistors (2010) (15)
Detailed Analysis of DC-RF Dispersion in AlGaN/GaN HFETs using Waveform Measurements (2006) (15)
Waveform Evidence of Gate Harmonic Short Circuit Benefits for High Efficiency X-Band Power Amplifiers (2013) (15)
An intelligence driven active loadpull system (2010) (15)
Novel Nonlinear Model for Rapid Waveform-based Extraction Enabling Accurate High Power PA Design (2007) (15)
Comments on "A new low-noise AlGaAs/GaAs 2DEG FET with a surface undoped layer" (1987) (15)
Experimental gallium nitride microwave Doherty amplifier (2005) (15)
High performance MMICs in coplanar waveguide technology for commercial V-band and W-band applications (1994) (14)
Quantifying Temperature-Dependent Substrate Loss in GaN-on-Si RF Technology (2019) (14)
Behavioral model analysis using simultaneous active fundamental load-pull and harmonic source-pull measurements at X-band (2011) (14)
28-51 GHz dynamic frequency divider based on 0.15 mu m T-gate Al/sub 0.2/Ga/sub 0.8/As/In/sub 0.25/Ga/sub 0.75/As MODFETs (1993) (14)
On-wafer single contact S-parameter measurements to 75 GHz: Calibration procedure and measurement system (1993) (14)
LDMOS electro-thermal model validation from large-signal time-domain measurements (2001) (14)
Investigation and analysis into device optimization for attaining efficiencies in-excess of 90% when accounting for higher harmonics (2010) (14)
Morphological and electrical comparison of Ti and Ta based ohmic contacts for AlGaN/GaN-on-SiC HFETs (2017) (14)
The benefit of GaN characteristics over LDMOS for linearity improvement using drain modulation in power amplifier system (2011) (14)
X-parameters-based closed-form expressions for evaluating power-dependent fundamental negative and positive real impedance boundaries in oscillator design (2012) (14)
Application of a novel active envelope load pull architecture in large signal device characterization (2005) (13)
Active Envelope Load-Pull for Wideband Multi-tone Stimulus Incorporating Delay Compensation (2008) (13)
Fully Functional "Real Time" Non-Linear Device Characterization System Incorporating Active Load Control (2006) (12)
Simplified nonquasi-static FET modelling approach experimentally validated up to 118.5 GHz (1997) (12)
Linearity enhancement of GaN HEMTs under complex modulated excitation by optimizing the baseband impedance environment (2011) (12)
Fabrication and performance of 0.1- mu m gate-length AlGaAs/GaAs HEMTs with unity current gain cutoff frequency in excess of 110 GHz (1988) (12)
Minimization of baseband electrical memory effects in GaN HEMTs using active IF load-pull (2010) (12)
IIA-3 enhancement of 2DEG density in GaAs/InGaAs/AlGaAs double heterojunction power MODFET structures by buried superlattice and buried p+-GaAs buffer layers (1987) (12)
Waveform engineering applied to linear-efficient PA design (2010) (12)
Growth of GaAs‐Al‐GaAs by migration‐enhanced epitaxy (1988) (12)
DC-50 GHz Low Loss Thermally Enhanced Low Cost LCP Package Process Utilizing Micro Via Technology (2006) (12)
Vertical integration of an In/sub 0.15/Ga/sub 0.85/As modulation-doped field effect transistor and GaAs laser grown by molecular beam epitaxy (1990) (12)
A simplified nonquasi-static table based FET model (1996) (11)
Application of a NVNA-based system and load-independent X-parameters in analytical circuit design assisted by an experimental search algorithm (2012) (11)
Frequency scalable large signal transistor behavioral model based on admittance domain formulation (2014) (11)
Overlapped segment piece-wise polynomial pre-distortion for the linearisation of power amplifiers in the presence of high PAPR OFDM signals (2012) (11)
High gain 70-80 GHz MMIC amplifiers in coplanar waveguide technology (1993) (10)
An enhanced modulated waveform measurement system for the robust characterization of microwave devices under modulated excitation (2011) (10)
A design methodology for the realization of multi-decade baluns at microwave frequencies (2011) (10)
Using waveform engineering to optimize Class-F power amplifier performance in an envelope tracking architecture (2014) (10)
Fabrication and characterization of ultrashort gate length GaAs field‐effect transistors (1988) (10)
Bias-Dependent Microwave Characteristics of Atomic Planar-Doped AIGaAs/InGaAs/GaAs Double Heterojunction MODFET's (Short Paper) (1987) (10)
Evaluation of Pulsed I–V Analysis as Validation Tool of Nonlinear RF Models of GaN-Based HFETs (2018) (10)
Design, fabrication, and characterization of ultra high speed AlGaAs/InGaAs MODFETs (1988) (10)
Simple and low-cost tracking generator design in envelope tracking radio frequency power amplifier system for WCDMA applications (2013) (10)
A robust approach for comparison and validation of large signal measurement systems (2008) (10)
Scaling issues for ultra-high-speed HEMTs (1990) (9)
Stretching the Design: Extending Analytical Circuit Design from the Linear to the Nonlinear Domain (2014) (9)
European Microwave Integrated Circuit Conference (2011) (9)
Mushroom-shaped gates defined by e-beam lithography down to 80-nm gate lengths and fabrication of pseudomorphic HEMTs with a dry-etched gate recess (1991) (9)
Waveform Engineering beyond the Safe Operating Region: Fully Active Harmonic Load Pull Measurements under Pulsed Conditions (2011) (9)
An Enhanced Modulated Waveform Measurement System (2012) (9)
Design of a Broadband Power Amplifier Based on Power and Efficiency Contour Estimation (2020) (9)
Frequency domain-based approach for nonlinear quasi-static FET model extraction from large-signal waveform measurements (2006) (9)
Reduction of baseband electrical memory effects using broadband active baseband load-pull (2013) (9)
Utilization and validation of HBT nonlinear frequency domain behavioral models in the design and simulation of oscillator circuits (2010) (8)
Low frequency and microwave characterization of submicron‐gate In0.52Al0.48As/In0.53Ga0.47As/In0.52Al0.48As heterojunction metal‐semiconductor field‐effect transistors grown by molecular‐beam epitaxy (1989) (8)
Reduction of Be diffusion in GaAs by migration‐enhanced epitaxy (1989) (8)
Experimental verification of analytical design equations based on X-parameters® for predicting role of series feedback (2011) (8)
Power amplifier memory-less pre-distortion for 3GPP LTE application (2009) (8)
Very broad band TWAs to 80 GHz on GaAs substrate (1993) (8)
The determination of the transistor dynamic I-V characteristic from large signal RF measurements (1995) (8)
Investigation of baseband electrical memory effects on the dynamic characteristics of power transistors (2013) (8)
Novel base-band envelope load pull architecture [RF device testing] (2004) (8)
Interpolation and extrapolation capabilities of non-linear behavioural models (2011) (8)
The Nonlinear Drain–Source Capacitance Effect on Continuous-Mode Class-B/J Power Amplifiers (2019) (8)
Inverse class-FJ: Experimental validation of a new PA voltage waveform family (2011) (7)
Validation of load-independent X-parameters (2011) (7)
Investigating the linearity versus efficiency tradeoff of different power amplifier modes in an envelope tracking architecture (2015) (7)
Vector corrected non-linear transistor characterization (1997) (7)
Study of hot electrons in AlGaN/GaN HEMTs under RF Class B and Class J operation using electroluminescence (2015) (7)
High gain CPW MMIC amplifiers and waveguide modules for V-band applications (1993) (7)
Impedance, modulation response, and equivalent circuit of ultra-high-speed InGaAs/GaAs MQW lasers (1993) (7)
Very broadband distributed amplifier to 75 GHz (1993) (7)
Hot-Electron Electroluminescence Under RF Operation in GaN-HEMTs: A Comparison Among Operational Classes (2017) (7)
A STUDY OF THE EFFECT OF ENVELOPE IMPEDANCE ON TIME DOMAIN MEASUREMENT SYSTEM INTERMODULATION ASMMMETRY USING A TWO-TONE (2002) (6)
Non-linear large signal PA modelling for switching-mode operation (class-F/continuous class-F) (2011) (6)
A high voltage-gain GaAs vertical field-effect transistor with an InGaAs/GaAs planar-doped barrier launcher (1990) (6)
Direct extraction of an admittance domain behavioral model from large-signal load-pull measurements (2017) (6)
0.15 μm T-gate E-beam lithography using crosslinked P(MMA/MMA) developed in ortho-xylene resulting in high contrast and high plasma stability for dry etched recess gate pseudomorphic MODFETs for MMIC production (1994) (6)
Automating the Accurate Extraction and Verification of the Cardiff Model via the Direct Measurement of Load-Pull Power Contours (2018) (6)
Chapter 2 Device Applications of Strained-Layer Epitaxy (1990) (6)
Reduction of electrical baseband memory effect in high-power LDMOS devices using optimum termination for IMD3 and IMD5 using active load-pull (2008) (6)
Optical and microwave performance of GaAs-AlGaAs and strained-layer InGaAs-GaAs-AlGaAs graded-index separate-confinement heterostructure single quantum well lasers (1989) (6)
Analysis of Gain Variation With Changing Supply Voltages in GaN HEMTs for Envelope Tracking Power Amplifiers (2019) (6)
Investigation of electrical base-band memory effects in high-power 20W LDMOS power amplifiers (2007) (6)
Electron velocity enhancement by planar-doped barrier source in GaAs vertical FET (1988) (6)
I/V anomality and device performance of submicrometre-gate Ga0.47In0.53As/Al0.48In0.52As HEMT (1988) (6)
High performance narrow and wide bandwidth amplifiers in CPW-technology up to W-band (1993) (6)
High frequency waveform engineering and its applications: Tutorial 54 (2015) (6)
Self-aligned GaAs gate heterojunction SISFET (1987) (6)
Characterization of baseband electrical memory in microwave devices using multi-tone measurement system (2016) (6)
Operation and calibration of VNA-based large signal RF I-V waveform measurements system without using a harmonic phase reference standard (2013) (6)
Investigating the linearity versus efficiency trade-off of different power amplifier modes in an envelope tracking architecture (2015) (6)
Frequency-scalable nonlinear behavioral transistor model from single frequency X-parameters based on time-reversal transformation properties (INVITED) (2015) (6)
Load Pull verification of a novel Class B/J design tool: Second harmonic clipping contours (2013) (5)
Modulation Efficiency Limited High Frequency Performance of the MODFET (1987) (5)
Thermal parameter extraction technique using DC I-V data for HBT transistors (2000) (5)
16-GHz GaAs/AlGaAs multiple-quantum-well laser with vertically compact waveguide structure (1992) (5)
Limitations of Characterizing mm-Wave MODFETs with Microwave Probes (1989) (5)
Sensitivity of electrical baseband memory effects to higher-order IF components for high-power LDMOS power amplifiers (2008) (5)
Multi-tone waveform Measurement System Enabling Characterization of microwave Devices (2014) (5)
Nonlinear HBT table-based model including low-frequency noise effects (2010) (5)
2013 IEEE TOPICAL CONFERENCE ON POWER AMPLIFIERS FOR WIRELESS AND RADIO APPLICATIONS (PAWR) (2013) (5)
Modulated waveform measurement and engineering system (2015) (5)
Submicron‐gate In0.52Al0.48As/In0.53Ga0.47As/In0.52Al0.48As heterojunction metal‐semiconductor field‐effect transistors grown by molecular beam epitaxy (1989) (5)
Broadband non-linear FET behavioral model defined in the admittance domain (2016) (5)
Fully Functional Nonlinear Table-Based HBT Model With Explicit Thermal Feedback (2007) (4)
Schottky contacts on annealed GaAs (1983) (4)
Advanced RF IV Waveform Engineering Tool for Use in Device Technology Optimization: RF Pulsed Fully Active Harmonic Load Pull with Synchronized 3eV Laser (2013) (4)
Optimising AIGaN/GaN HFET designs for high efficiency (2007) (4)
Digital dynamic frequency dividers for broadband application up to 60 GHz (1993) (4)
Development of a RF waveform stress test procedure for GaN HFETs subjected to infinite VSWR sweeps (2012) (4)
p-Dopant incorporation and influence on gain and damping behaviour in high-speed GaAs-based strained MQW lasers (1993) (4)
Utilization of waveform measurements for degradation analysis of AlGaN/GaN HFETs (2007) (4)
High speed non-linear device characterization and uniformity investigations at X-band frequencies exploiting behavioral models (2011) (4)
X-band behavioral model analysis using an active harmonic source- pull and load-pull measurement system (2011) (4)
Scaling of parasitics in mm-wave MODFETs (1990) (4)
Large-Signal Vectorial Load–Pull Characterization of MEMS RF-Actuation (2007) (4)
A Novel Modulated Rapid Load Pull System with Digital Pre-Distortion Capabilities (2019) (4)
High power harmonic active load-pull using broadband impedance transformers [power transistor measurement] (2004) (4)
Extraction of Transistor Large Signal Models from Vector Nonlinear Network Analyzers (2000) (4)
Sensitivity analysis of GaN power amplifier model parameters for switching-mode operation (2012) (4)
RF waveform method for the determination of the safe operating area of GaN HFET's for amplifiers subjected to high output VSWR (2010) (4)
Comparing FET Technologies in Terms of Their Suitability for Broadband Envelope Tracking Power Amplifiers (2018) (4)
3–20-GHz GaN MMIC Power Amplifier Design Through a COUT Compensation Strategy (2021) (4)
A new method for the design of multi-sine excitations for the assessment of non-linear devices (2008) (4)
Experimental Demonstration and CAD Investigation of Class B HFET Transistor Operation at Microwave Frequencies (1998) (4)
Development and Control of a 0 . 25 μ m Gate Process Module for AlGaN / GaN HEMT Production (2013) (3)
Sensitivity of AM/AM linearizer to AM/PM distortion in devices (2014) (3)
The continuous Class-F Mode mode power amplifier (2010) (3)
Multi-tone Measurement System with the State-of-the-Art Active if and RF Load-Pull Capability (2013) (3)
RF Waveform Measurement and Engineering (2009) (3)
Transconductance dependence on gate length for GaAs gate SISFETs (1987) (3)
High Efficiency PA Design Strategy at X-Band (2013) (3)
Multitone measurement system for linearity investigations of microwave devices (2017) (3)
A Systematic Investigation of Behavioural Model Complexity Requirements (2018) (3)
A Sampling Oscilloscope Based System with Active RF/IF Load-pull for Multi-Tone Non-linear Device Characterization (2013) (3)
Experimental Investigation of DC-RF Dispersion in AlGaN / GaN HFET ’ s Using Pulsed I-V and Time-Domain Waveform Measurements (2005) (3)
An automated multiple-stimulus measurement system for characterising multiple-device amplifiers (2004) (3)
X-band MMIC scalable large signal model based on unit cell behavioral data model and passive embedding network (2013) (3)
Accurate HEMT model extraction and validation in class A and B bias points using a full two-port large signal on-wafer measurement system (1998) (3)
Utilization of a Measurement Based CAD Tool for Enhanced PA Design Investigations (2008) (3)
RF waveform investigation of VSWR sweeps on GaN HFETs (2011) (3)
Materials and device properties of pseudomorphic InxGa1−xAs/Al0.3Ga0.7As/GaAs high electron mobility transistors (0 (1991) (3)
IIA-4 The effect of buried p-doped layers on the current saturation mechanism in AlGaAs/InGaAs/GaAs MODFET's (1987) (3)
Continuous class BJ power amplifier with DGS output matching (2014) (3)
AlGaInP/GaInAs/GaAs MODFET devices: candidates for optoelectronic integrated circuits (1993) (3)
Characterisation of an experimental gallium nitride microwave Doherty amplifier (2005) (3)
Generic Pre-distortion of a Class-J power amplifier (2010) (3)
The effect of subband quantization in the 2-D electron gas on thermionic current and heterojunction capacitance in an n-AlxGa1−xAs/n-GaAs heterojunction (1986) (3)
Utilization of RF I-V waveform load-pull information to identify the role FET knee profile has on locating the efficiency maxima (2011) (3)
GaN H-FET development at QinetiQ (2005) (2)
Efficiency Enhancement of A Broadband Sequential Power Amplifier Using Envelope Tracking (2020) (2)
Analysis and characterization of a load modulated balanced amplifier for base-station applications (2018) (2)
Advanced Load Pull Systems (2006) (2)
Effect of impedance variation around the fundamentals on PA distortions characteristics under wideband multi-tone stimulus (2010) (2)
Robust Extraction of Cardiff Model Parameters from Appropriately Tailored Measured Load-Pull Data (2020) (2)
Look‐up table method for optimising coupling ratio in broadband sequential power amplifiers (2020) (2)
High-speed device characterization using an active load-pull system and waveform engineering postulator (2011) (2)
Development of an RF IV waveform based stress test procedure for use on GaN HFETs (2012) (2)
Influence of quantum well width on DC and RF device performance in pseudomorphic Al/sub 0.30/Ga/sub 0.70/As/In/sub 0.25/Ga/sub 0.75/As MODFETs (1988) (2)
Non-linear characterisation of microwave devices (1999) (2)
Simultaneous measurement of optical and RF behavior under CW and pulsed Fully Active Harmonic Load-Pull (2016) (2)
Determination of electron energy distribution in a GaAs vertical field‐effect transistor with hot‐electron injection (1989) (2)
Optimized load modulation in a Doherty amplifier using a current injection technique (2011) (2)
Relating μ-wave mapped data to physical parameters for MODFETs (1993) (2)
Carrier Deconfinement Limited Velocity In Pseudomorphic AlGaAsiin GaAs Modulation-doped Field Effect Transistors (MODFET's) (1987) (2)
Systematic investigation of the impact of harmonic termination in the efficiency performance of above octave bandwidth microwave amplifiers (2009) (2)
Non-linear vector network analyser NLVNA (2005) (2)
Design and Characterization of High 60 GHz Pseudomorphic MODFET LNAs Performance in CPW-Technology Based on Accurate Sparameter and Noise Models (1992) (2)
Optimization of out-of-band impedance environment for linearity improvements of microwave power transistors (2018) (2)
Design of injection-locked oscillator circuits using an HBT X-parameters™-based model (2015) (2)
Accurate extraction of nonlinear intrinsic transistor current state functions from large signal waveform measurements (1999) (2)
Nonlinear envelope tracking for efficiency optimization of power amplifiers (2012) (2)
A waveform engineering approach to the design of improved efficiency wideband MMIC amplifiers (2011) (2)
Investigation of Various Envelope Complexity Linearity under Modulated Stimulus Using a New Envelope Formulation Approach (2014) (2)
Active envelope load pull system suitable for high modulation rate multi-tone applications (2008) (2)
Novel concept for high level overdrive tolerance of GaAs based FETs (1998) (2)
RF and DC characterization of P-channel Al/sub 0.5/Ga/sub 0.5/As/GaAs MODFETs with gate lengths as small as 0.25 mu m (1989) (2)
Global Behavioural Model Generation Using Coefficients Interpolation (2019) (2)
Reduction of emitter thickness in AlGaAs/GaAs heterojunction bipolar transistor (1989) (2)
Power and efficiency continuous modes in saturated GaN HEMT devices (2018) (2)
High-Efficiency Broadband PA Design Based on Continuous Class-F Mode with Compression (2019) (2)
A Broadband Control Electronics for Envelope Load Pull System (2007) (2)
High quality factor extraction of miniaturized coupled line bandpass filters implemented using RF silicon integrated circuits (2009) (2)
Correlation analysis between a VNA-based passive load pull system and an oscilloscope-based active load pull system: A case study (2014) (1)
Extremely high peak specific transconductance AlGaAs/GaAs heterojunction bipolar transistors (1989) (1)
Utilization of a measurement based CAD tool for enhanced pa design investigations (2008) (1)
Strained-layer quantum well lasers grown by molecular beam epitaxy for longer wavelength high-speed applications (1990) (1)
A vertical field-effect transistor with an InGaAs/GaAs pseudomorphic planar doped barrier launcher (1989) (1)
Inverse active load-pull in an inverse Doherty amplifier (2013) (1)
transistorbehaviour from large signal waveform measurement data (1996) (1)
Effect of low frequency memory on high power 12W LDMOS transistors intermodulation distortion (2010) (1)
Improved performance by optimised planar doped barrier launcher in GaAs vertical FET with very short channel width (1989) (1)
Optimization of modulation doped FET structures (1990) (1)
Processing And DC Performance Of Self-Aligned GaAs Gate SISFET (1987) (1)
Auxiliary Envelope Tracking Focused Investigations of a 10W GaN HEMTs Device (2019) (1)
Materials and Device Properties of Pseudomorphic InxGal _ = As / Alo . 3 Gao . TAS / GaAs High Electron Mobility Transistors ( 0 < x < 0 . 5 ) * (1)
Dual-Band Class J Power Amplifier at 2.45 and 5.8 GHz for UAVs Communications (2022) (1)
The Design of a Gallium Nitride Doherty Amplifier Using Waveform Measurements and Active Harmonic Load-Pull (2006) (1)
Behavioural Model Extraction using Novel Multitone Active Load-pull (2019) (1)
A high performance 0.12 um T-shape gate Ga0.5In0.5As/Al0.5In0.5As MODFET grown by MBE lattice mis-matched on a GaAs substrate (1987) (1)
A de-embedding network at higher frequency and its error analysis (2016) (1)
A practicable de-embedding network at higher frequency of a packaged GaN device (2016) (1)
Device modeling with small-signal X-parameters measured with a special PNA-X configuration for the study of non-linear interactions (2012) (1)
Enhanced vector calibration of load-pull measurement systems (2014) (1)
Analysis of Highly Efficient Self-Synchronous Class-F Microwave Rectifiers Using Waveform Engineering (2018) (1)
Design and characterisation of MMICs in coplanar waveguide technology up to 80 GHz (1993) (1)
AlGaInP/GaInAs/GaAs Modfet Devices With Self-Aligned P+-GaAs Gate Structure (1993) (1)
Supply Modulator Ripple in Envelope Tracking Systems - Effects and Countermeasures (2019) (1)
Pulse Profiling Active Load Pull Measurements (2020) (1)
Transistor Device Optimization for RF Power Amplifier Employing Rapid Envelope Load-Pull System (2010) (1)
Cardiff Behavioural Model Analysis using a Two-Tone Stimulus (2019) (1)
A Systematic Investigation of Admittance Domain Behavioral Model Complexity Requirements (2018) (1)
Class B* - A New High Efficiency RF DC/DC Converter Concept Using Second Harmonic Generation/Injection (2018) (1)
Nonlinear table-based static HBT model including thermal effects (2006) (1)
RF I-V Waveform Measurement and Engineering Systems-addressing the high power amplifier design challenge (2010) (1)
Direct extraction of large-signal table-based behavioural models from time-domain voltage and current waveforms (2005) (1)
Using waveform engineering to understand the impact of harmonic terminations during 5:1 VSWR stress tests (2016) (1)
Gate Bias Incorporation into Cardiff Behavioural Modelling Formulation (2020) (1)
A broadband envelope load pull system (2005) (1)
A Novel Nonlinear "Truth Model On-Demand" for Rapid Large-Signal Power Amplifier Design (2006) (1)
Optimising Linearity of Envelope Tracking Power Amplifier Using Baseband Linearisation Approach (2020) (1)
Conventional Transistor Non-Linear Model Extraction/Verification using Time Domain Microwave Waveform Measurements (2001) (1)
The inverse Doherty amplifier using a reduced peaking amplifier drain supply voltage (2012) (1)
Analyzing the improvement in efficiency through the integration of class-F power amplifiers compared to class-AB in an envelope tracking architecture (2014) (1)
Large Signal Device Characterisation using Active Load-Pull for Improved MMIC Design (2008) (1)
0.2-pm Gate-Length Atomic-Planar Doped Pseudomorphic Alo 3Gao. 7As/Ino .25G~. 75As MODFET's with fT over 120 GHz (1988) (1)
Impact of the Input Impedance on the Linearity of Supply Modulated GaN HEMT Power Amplifiers (2019) (1)
GaN power transistors in narrow and wide bandwidth applications (2008) (1)
Incorporating Gate-Lag Effects into the Cardiff Behavioural Model (2021) (1)
A NOVEL FORMULATION FOR DEFINING LINEARISING BASEBAND INJECTION SIGNALS OF RF POWER AMPLIFIER DEVICES UNDER ARBITRARY MODULATION (2014) (1)
MODFET technology optimization for MMICs using statistical microwave characterization (1993) (1)
Session V Nonlinear measurements techniques (2008) (0)
Performance and optoelectronic integration of GaAs-based high-speed semiconductor lasers (1993) (0)
An Enhanced Active Load-Pull Algorithm for Faster Convergence (2022) (0)
EPSRC projects in microwave, millimetre-wave and THz research, integration of RF circuits with high speed GaN switching on silicon substrates (2016) (0)
Carrier transport effects in undoped In/sub 0.35/Ga/sub 0.65/As/GaAs MQW lasers determined from high-frequency impedance measurements (1994) (0)
On the Effective Modeling of the Test-Set Non-linearity (2018) (0)
Reduction of Be diffusion in GaAs by migration enhanced epitaxy, and the effect of heat treatment on the electrical activation and mobility (1989) (0)
High frequency analyser (2001) (0)
Investigation of transport phenomena in pseudomorphic modfets (2020) (0)
Characterization Of The AlGaAs/GaAs Tunneling Emitter Bipolar Transistor (1987) (0)
Self-Aligned-Gate Digital AlGaAs/GaAs Modulation-Doped Field Effect Transistor (MODFET) Processing And Short Channel Effects (1987) (0)
Microwave characterisation of 1 micron-gate Al(0.48)In(0.52)As/Ga(0.47)In(0.53)As/InP MODFETs (1987) (0)
Microwave Performance Of Single-gate And Dual-gate Modfets Using Double Hetero'unction Modulation-doped Structures (1987) (0)
Microwave and millimeter wave on-wafer transistor characterization capabilities and HFET CAD model extraction techniques (1997) (0)
Characterisation of high power RF transistors: Waveform measurement and engineering (2007) (0)
HIGH POWER TIME DOMAIN MEASUREMENT SYSTEM WITH ACTIVE AMPLIFIER DESIGN HARMONIC LOAD-PULL FOR HIGH EFFICIENCY BASE STATION (2000) (0)
Study of Drain Injected Breakdown Mechanisms in AlGaN/GaN-on-SiC HEMTs (2022) (0)
Comparison of threshold current and microwave modulation of GaAs-AlGaAs and strained layer InGaAs-GaAs-AlGaAs single quantum well lasers (1990) (0)
APPLICATIONS OF WAVEFORM ENGINEERING FOR ANALYSING NEW DEVICE TECHNOLOGIES (2008) (0)
High-speed GaAs/AlGaAs multiple-quantum-well lasers: design and characterization (1992) (0)
Waveform measurement in mocrowave device characterization: impact on power amplifiers design (2016) (0)
Carrier capture and escape times in ln0.35Ga0.65As/GaAs multiple quantum well lasers determined from high-frequency impedance and modulation response measurements (1994) (0)
GaN H-FET developm (2005) (0)
A comparison of charge control modelling and experimental performance of pseudomorphic MODFETs (1994) (0)
European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012 (2012) (0)
Analyzing Device Behavior at the Current Generator Plane of an Envelope Tracking Power Amplifier in a High Efficiency Mode (2014) (0)
Impact of buffer doping on GaN device performance (2007) (0)
From module to system design approach (2019) (0)
Kink Effect in Submicrometer-Gate MBE-Grown InAlAs/InGaAs/InAlAs Heteroj unction (1988) (0)
Cardiff Model Utilization for Predicting the Response of Multiple-Input Power Amplifiers (2022) (0)
High power harmonic active load-pull using broadband matching networks (2004) (0)
Waveform Inspired Models and the Harmonic (2011) (0)
Gate bias voltage dependence of Cardiff admittance model in Ka-band GaAs pHEMTs (2022) (0)
Comparison of ultrahigh-speed (30 GHz) undoped and p-doped Insub(0.35)Gasub(0.65)As/ GaAs MQW lasers (1992) (0)
RF AND DC CHARACTERIZATION OF P-CHANNEL A10.5Ga0.5As / GaAs MODFET'S WITH GATE LENGTH AS SMALL AS 0.25 pm (1989) (0)
European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 42nd European Microwave Conference, EuMC 2012 (2012) (0)
Session III: Nonlinear circuit design (2010) (0)
Waveform measurement and characterisation: The multi-tone characterisation challenge (2007) (0)
RF Waveform Measurement and Engineering Invited (2009) (0)
Multi-tone Measurement Infrastructure for Microwave Power Transistor Characterization under Wideband Multi-tone Stimuli (2012) (0)
DC-Dependent Cardiff Model from Modulated Supply and Load-Pull Data (2022) (0)
Novel cost-efficient packaging technology for high-power LDMOS devices (2005) (0)
Compound Semiconductor Materials, Devices and Circuits (1988) (0)
Carrier capture and escape times in In/sub 0.35/Ga/sub 0.65/As/GaAs multiple quantum well lasers determined from high-frequency impedance and modulation response measurements (1994) (0)
Session A: RF power amplifier characterization (2007) (0)
European Microwave Conference (EuMC) 2010, Paris (2010) (0)
Extraction of state function behaviour from large signal waveform measurements [pHEMTs] (2001) (0)
Single-tone and two-tone time-domain large signal characterization of GaN HFETs operated in class A (2004) (0)
Investigation of hot‐electron injection and ballistic transport using ultrathin planar doped barrier launchers in vertical field effect spectrometer structures (1992) (0)
Pulsed-IV and RF waveform measurements of unique high-K dielectric GaN MOSFETs (2008) (0)
The problem of breakdown in MODFETs (1994) (0)
Modulated rapid load pull system for the emulation of envelope tracking power amplifiers (2020) (0)
High-frequency characterization of 30 GHz p-type modulation-doped In/sub 0.35/Ga/sub 0.65/As/GaAs MQW lasers (1992) (0)
EXPERIMENTALDEMONSTRATIONAND CAD INVESTIGATIONOF CLASSB HFETTRANSISTOROPERATIONAT MICROWAVE FREQUENCIES (1998) (0)
Ww Dynamic Frequency Dividers far Broad Band Application up to 60 GHz (1993) (0)
New Formulation of Cardiff Behavioral Model Including DC Bias Voltage Dependence (2022) (0)
European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference (2014) (0)
Self-aligned resonant tunneling-diode finger structure for high cut-off frequency and device integration (1990) (0)
Evaluation of admittance domain behavioural model complexity requirements for Power Amplifier design (2022) (0)
IEEE International Microwave Symposium 2011 (IMS2011), Baltimore, Maryland, USA (2011) (0)
Comparison of vertically-compact high-speed GaAs and In/sub 0.35/Ga/sub 0.65/As MQW Diode Lasers Designed for Monolithic Integration (1992) (0)
Strained-layer InGaAs-GaAs-AlGaAs graded-index separate-confinement single quantum well lasers grown by molecular-beam epitaxy (1989) (0)
Lumped element 12 GHz LNA MMIC using InGaAs/GaAs MODFETs with optimised gate width and reactive feedback (1993) (0)
Exploitation of active load-pull and DLUT models in MMIC design (2010) (0)
High speed device characterization enabler: The Envelope Load-Pull system (2012) (0)
Study of Cryogenic MODFETS (1987) (0)
Carrier Beconfinement Limited Velocity in Pseudomorphic AlGa Aslln Cia As Modula tion- Doped Field Effect Transistors (1987) (0)
High electron mobility transistors (1991) (0)
Measurement Infrastructure for Optimization and Characterization of Microwave Transistor Devices (2010) (0)
Characterising the Baseband Impedance of Supply Modulators Using Simple Modulated Signals (2020) (0)
Comparative Evaluation of Optimum Power and Efficiency Terminations Predicted by Alternative Methods for GaN Ka-band Power Amplifier Design (2022) (0)
Exploiting behavioral modelling formulations for nonlinear analytical circuit design and improved frequency scalability: Bandwidth extension through the admittance domain (Invited paper) (2017) (0)
into CAD for Large SignalPower AmplifierDesign (2006) (0)
Fabrication and microwave characterisation of aluminium free HEMT devices and subsequent performance comparison against conventional AlGaAs/InGaAs based devices (1997) (0)
European Microwave Conference 2010 (EuMC), Paris, France (2010) (0)
Non-linear vector network analyser – simply what is it and what can it do? (2002) (0)
Load-Pull Data Analysis of a GaN on SiC HEMT Targeting Multi Bias Doherty Design (2022) (0)
High-speed GaAs/AlGaAs Multiple Quantum Well Lasers: Design And Characterization (1992) (0)
Effects of Load Impedances at Third Order Intermodulation Tones (2021) (0)

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