Search Results - "Lamers, Lucilia"
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1
Bias Smith Tube Optimization of Drain Voltage and Load Reflection Coefficient to Maximize Power-Added Efficiency Under ACPR Constraints for Radar Power Amplifiers
Published in IEEE transactions on aerospace and electronic systems (01-02-2019)“…Reconfigurable transmitter power amplifiers will be necessary in future cognitive radar systems to allow adjustment in operating frequency, spectral output,…”
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Journal Article -
2
Real-Time Amplifier Load-Impedance Optimization for Adaptive Radar Transmitters Using a Nonlinear Tunable Varactor Matching Network
Published in IEEE transactions on aerospace and electronic systems (01-02-2019)“…Future radar transmitters will need to be able to quickly reconfigure their radio-frequency circuitry to change operating frequency and spectral output while…”
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Journal Article -
3
A fast load-pull optimization for power-added efficiency under output power and ACPR constraints
Published in IEEE transactions on aerospace and electronic systems (01-12-2016)“…In the future real-time optimization of reconfigurable radar transmitter power amplifiers, a typical optimization would seek the highest power-added efficiency…”
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Journal Article -
4
Fast design of unconditionally stable power amplifier using the center frequency smith tube
Published in 2017 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS) (01-03-2017)“…Unconditional stability is often a desired criterion in amplifier design. The Smith Tube, a three-dimensional cylindrical extension of the Smith Chart with…”
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Conference Proceeding -
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Fast impedance matching using interval halving of resonator position numbers for a high-power evanescent-mode cavity tuner
Published in 2018 IEEE Radio and Wireless Symposium (RWS) (01-01-2018)“…A fast interval-halving search is demonstrated that can be used to optimize power-amplifier load impedance in real-time with a high-power evanescent-mode…”
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Conference Proceeding -
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Real-time amplifier optimization algorithm for adaptive radio using a tunable-varactor matching network
Published in 2017 IEEE Radio and Wireless Symposium (RWS) (01-01-2017)“…Fast load impedance tuning of a varactor diode matching network to maximize amplifier gain in real-time reconfigurable circuitry is demonstrated. A published…”
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Conference Proceeding -
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Circuit optimization algorithms for real-time spectrum sharing between radar and communications
Published in 2016 IEEE Radar Conference (RadarConf) (01-05-2016)“…The ability of radar and communication applications to share the radio spectrum will require the use of innovative agile circuit techniques for radar and…”
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Conference Proceeding Journal Article -
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Comparison of bias-voltage and reflection-coefficient based reconfiguration of a tunable-varactor matching network for adaptive amplifiers
Published in 2017 IEEE 18th Wireless and Microwave Technology Conference (WAMICON) (01-04-2017)“…For future adaptive radio and radar transmission in a dynamic spectrum access environment, the radio-frequency circuitry will be need to be reconfigurable to…”
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Conference Proceeding