A 65mW,0.4-2.3 GHz bandpass filter for satellite receivers

J.D. Tang, van der, D. Kasperkovitz, A. Bretveld

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

A monolithic tunable bandpass filter for satellite receiver front-ends is presented. The nter frequency of the bandpass filter can be tuned from 0.4 GHz to 2.3 GHz. The filter is constructed using four transconductor-C poly-phase filter sections and has a 50 dB variable gain range. At 20 dB attenuation and at 30 dB gain the measured 1 dB compression point is -21 dBm and -56 dBm, respectively. Measured input IP3 is -12 dBm. The noise figure is 15 dB at maximum gain. An on-chip I/Q oscillator tracks the center frequency and enables automatic tuning. The bandpass filter dissipates 65 mW with 5 Volt supply voltage and occupies 0.16 mm2 chip area. The filter is realized in a standard 11 GHz ft bipolar technology.
Original languageEnglish
Pages (from-to)5-18
Number of pages14
JournalAnalog Integrated Circuits and Signal Processing
Volume31
Issue number1
DOIs
Publication statusPublished - 2002

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