A digital-calibrated transmitter-to-receiver isolator in radar applications

Yen Hung Kuo; Jeng Han Tsai; Tian Wei Huang

doi:10.1109/LMWC.2012.2228175

A digital-calibrated transmitter-to-receiver isolator in radar applications

Yen Hung Kuo, Jeng Han Tsai, Tian Wei Huang

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A digital-calibrated isolator for radar is proposed to improve transmitter-to-receiver isolation in this letter. The proposed isolator consists of feedforward and digital-calibrated circuits to cancel the transmitter-to-receiver leakage power. The proposed isolator is implemented in 0.18-μm CMOS technology which shows 27.3 dB isolation while consuming 13.5 mW dc power. The OP_{1 dB} of the transmitter-to-antenna is better than +13.5 dBm.

Original language	English
Article number	2228175
Pages (from-to)	651-653
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	22
Issue number	12
DOIs	https://doi.org/10.1109/LMWC.2012.2228175
Publication status	Published - 2012 Dec 1

Keywords

CMOS
digital-calibrated circuit
feedforward
frequency modulated continuous wave (FMCW)
isolation

ASJC Scopus subject areas

Condensed Matter Physics
Electrical and Electronic Engineering

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