Realization of Low-Loss Fully Passive Harmonic Rejection N-Path Filters

被引：6

作者：

Araei, Soroush ^{[1
]}

Mohin, Shahabeddin ^{[1
]}

Reiskarimian, Negar ^{[1
]}

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

来源：

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 06期

关键词：

Power harmonic filters; Band-pass filters; Microwave filters; Harmonic analysis; Frequency measurement; Finite impulse response filters; Capacitors; CMOS silicon-on-insulator (SOI); finite impulse response (FIR) filter; harmonic rejection (HR); linear periodically time-varying (LPTV) circuit; N-path filters; switched capacitor circuit;

D O I：

10.1109/LMWT.2023.3271909

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work presents a low-loss fully passive harmonic rejection (HR) N-path filter that performs finite impulse response (FIR) filtering within its core by sequentially charging the baseband capacitors and exploiting combined charge sharing and capacitor stacking techniques. The proposed HR N-path filter achieves an in-band (IB) gain of -2 to +0.5 dB across the 0.25-2 GHz frequency range while consuming 2.3-15.7 mW of power. It achieves an HR ratio (HRR) of >46/48 dB with >+8/+11 dBm third/ fifth-order harmonic blocker P1dB.

引用

页码：823 / 826

页数：4

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