A Fully Integrated 5.2 GHz Double Quadrature Image Rejection Gilbert Downconverter Using 0.35 µm SiGe HBT Technology

Meng, Chinchun ; Wu, Tzung-Han ; Wu, Tse-Hung ; Huang, Guo-Wei (2004) A Fully Integrated 5.2 GHz Double Quadrature Image Rejection Gilbert Downconverter Using 0.35 µm SiGe HBT Technology. In: Gallium Arsenide applications symposium. GAAS 2004, 11—12 Ottobre, Amsterdam.
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Abstract

A 5.2 GHz 1 dB conversion gain, IP1dB= -19 dBm and IIP3= -9 dBm double quadrature Gilbert downconversion mixer with polyphase filters is demonstrated by using 0.35 m SiGe HBT technology. The image rejection ratio is better than 47 dB when LO=5.17 GHz and IF is in the range of 15 MHz to 45 MHz. The Gilbert downconverter has four- stage RC-CR IF polyphase filters for image rejection. Polyphase filters are also used to generate LO and RF quadarture signals around 5 GHz in the double quadrature downconverter.

Abstract
Tipologia del documento
Documento relativo ad un convegno o altro evento (Atto)
Autori
AutoreAffiliazioneORCID
Meng, Chinchun
Wu, Tzung-Han
Wu, Tse-Hung
Huang, Guo-Wei
Settori scientifico-disciplinari
DOI
Data di deposito
15 Giu 2005
Ultima modifica
17 Feb 2016 14:12
URI

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