Integrated Selectivity for Narrow-Band FM IF Systems
- 1 September 1989
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
An 18th-order all-pole continuous-time bandpass filter for IF filtering purposes has been designed and integrated in a 3 ¿m CMOS process. Implemented using nine fully-balanced, transconductor-capacitor coupled resonators, the filter features 20 kHz bandwidth at 200 kHz center frequency, 54 dB dynamic range (IM3 ≪ - 40 dB) and consumes 300 ¿A from a single 4 V supply.Keywords
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