Shuchen Zhen

A Bandpass Filtering Power Amplifier With SIR-Loaded Matching Networks for Third-Harmonic Suppression

Jinyu Yang, Yongle Wu, Zhuojia Yao, Shuchen Zhen et autres

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A Fully Integrated Low-Cost 5-GHz Doherty Power Amplifier Using Compact Triple-Coil Splitter-Combiner in 180-nm CMOS

Zhuoyin Chen, Yongle Wu, Shuchen Zhen, Zhixuan Gong et autres

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A High‐Efficiency Doherty Power Amplifier Based on Harmonic Suppression Power Divider and Broadband Filtering Matching Structure

Di Yuan, Yongle Wu, Shuchen Zhen, Xiaopan Chen et autres

ABSTRACT This article presents the design of a wideband and high‐efficiency Doherty power amplifier with integrated filtering characteristics. A T‐shaped microstrip line is adopted for the power divider. In the subsequent matching network, a coupled microstrip line filtering structure was innovatively adopted. …

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A 12.2--19.1 GHz High-Selectivity CMOS Power Amplifier Chip With Two-Stage Transformer-Based Filtering Matching Network

Xiaopan Chen, Yongle Wu, Zhuoyin Chen, Shuchen Zhen et autres

This letter presents a novel integrated broadband filtering power amplifier (FPA) with a two-stage transformer-based bandpass matching network. The proposed filtering input matching network (FIMN) is composed of a magnetically and capacitively coupled resonator (MCCR) and a cascaded matching balun. The MCCR …

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A Ku -/ K -Band Switchless Reconfigurable Dual-Band Tri-Mode Filtering CMOS Power Amplifier

Zhuoyin Chen, Yongle Wu, Xiaopan Chen, Shuchen Zhen et autres

In this letter, a fully integrated switchless frequency-reconfigurable dual-band (DB) tri-mode filtering power amplifier (PA) is presented for$Ku$-/$K$-band radar front-end applications. Implemented in 180-nm CMOS technology, the proposed PA operates in low-band (LB), high-band (HB), and DB modes using a switchless dual-core …

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A fully-integrated GaAs MMIC ultra-broadband distributed efficient power amplifier chip with 107% fractional bandwidth

Zhuoyin Chen, Yongle Wu, Xiaopan Chen, Wei Zhao et autres

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A 6–12-GHz Wideband Noise-Canceling CMOS LNA Chip With Dual-Resistive Feedback and Complementary Topology

Shuchen Zhen, Yongle Wu, Zhuoyin Chen, Xiaopan Chen et autres

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A Sharp Roll-Off Absorptive Filtering Power Amplifier With High Out-of-Band Suppression

Zichong Yang, Yongle Wu, Shuchen Zhen, Zhuojia Yao et autres

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A Ku-band two-stage cascode power amplifier for satellite applications in 180-nm CMOS technology

Xiaopan Chen, Shuchen Zhen, Zhuoyin Chen, Weimin Wang

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An Ultraminiaturized X-Band 6-bit MMIC Phase Shifter Using Capacitance Compensation Technique

Wei Zhao, Yongle Wu, Shuchen Zhen, Weimin Wang

In this letter, a capacitance compensation technique (CCT) is proposed to simultaneously reduce the area and improve the in-band performance of switch-type phase shifters (STPSs). For the modified inductive T-type phase-shifting unit (MITPSU) using the CCT, the compensating capacitors introduce additional degrees …

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A Novel Tri-Band Power Amplifier With Three Frequency-Selective Output Ports

Zhuojia Yao, Yongle Wu, Xiaopan Chen, Shuchen Zhen et autres

In this letter, a novel tri-band power amplifier (PA) with three frequency-selective output ports is demonstrated. The key to achieving tri-band tri-output is the output matching network (OMN) of the triplexer-like structure, which can separate the tri-band signal into different output ports …

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A Broadband Filtering Power Divider Using Interdigital Capacitors and Microstrip Inductors

Shuchen Zhen, Weimin Wang

This paper presents a broadband filtering power divider (FPD), replacing traditional lumped components with interdigital capacitors (IDCs) and microstrip inductors to minimize parasitic effects and simplify fabrication. The symmetrical structure integrates series-coupled microstrip sections at output ports to generate transmission zeros (TZs) …

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