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Modified derivative superposition method for linearizing FET low-noise amplifiers
Intermodulation distortion in field-effect transistors (FETs) at RF frequencies is analyzed using the Volterra-series analysis. The degrading effect of the circuit reactances on the maximum IIP3 inExpand
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An Improved Power-Added Efficiency 19-dBm Hybrid Envelope Elimination and Restoration Power Amplifier for 802.11g WLAN Applications
A comparison of envelope elimination and restoration (EER) and envelope tracking (ET) is discussed and a "hybrid" wideband EER power amplifier (PA) for the WLAN 802.11g system is proposed. A 60%Expand
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Design of wide-bandwidth envelope-tracking power amplifiers for OFDM applications
An efficiency-enhanced power-amplifier system design is presented based on wide-bandwidth envelope tracking (WBET) with application to orthogonal frequency-division multiplexing wireless local areaExpand
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A Monolithic High-Efficiency 2.4-GHz 20-dBm SiGe BiCMOS Envelope-Tracking OFDM Power Amplifier
TLDR
A monolithic SiGe BiCMOS envelope-tracking power amplifier (PA) is demonstrated for 802.11g OFDM applications at 2.4 GHz. Expand
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Hybrid Transformer-Based Tunable Differential Duplexer in a 90-nm CMOS Process
Practical implementation of monolithic hybrid transformer duplexers have been limited by the poor common-mode isolation. In this paper, a differential hybrid transformer duplexer that covers 3GPPExpand
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A capacitance-compensation technique for improved linearity in CMOS class-AB power amplifiers
TLDR
A nonlinear capacitance-compensation technique is developed to help improve the linearity of CMOS class-AB power amplifiers. Expand
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Adaptive Multi-Band Multi-Mode Power Amplifier Using Integrated Varactor-Based Tunable Matching Networks
TLDR
This paper presents a multi-band multi-mode class-AB power amplifier, which utilizes continuously tunable input and output matching networks integrated in a low-loss silicon-on-glass technology. Expand
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A wide-bandwidth Si/SiGe HBT direct conversion sub-harmonic mixer/downconverter
TLDR
A wideband sub-harmonic mixer/direct-conversion downconverter is implemented in a Si/SiGe HBT technology, with improved rejection of the local oscillator (LO), high input intercept point, and low current requirements. Expand
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An extended Doherty amplifier with high efficiency over a wide power range
An extension of the Doherty amplifier architecture which maintains high efficiency over a wide range of output power (>6 dB) is presented. This extended Doherty amplifier is demonstratedExpand
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Design of H-Bridge Class-D Power Amplifiers for Digital Pulse Modulation Transmitters
This paper presents an H-bridge class-D power amplifier (PA) for digital pulse modulation transmitters. The class-D amplifier can be driven by two-or three-level digital signals generated by aExpand
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