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A CMOS RF Power Detector Using an Improved Unbalanced Source Coupled Pair
Hangue PARK Jaejun LEE Jaechun LEE Sangwook NAM
IEICE TRANSACTIONS on Electronics
Publication Date: 2008/12/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
CMOS RF power detector, unbalanced source coupled pair, output differential amplifier, sink current steering,
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This paper presents the design of a CMOS RF Power Detector (PD) using 0.18 µm standard CMOS technology. The PD is an improved unbalanced source coupled pair incorporating an output differential amplifier and sink current steering. It realizes an input detectable power range of -30 to -20 dBm over 0.1-1 GHz. Also it shows a maximum data rate of 30 Mbps with 2 pF output loading under OOK modulation. The overall current consumption is 1.9 mA under a 1.5 V supply.