窄带调频中频系统的综合选择性

ESSCIRC '89: Proceedings of the 15th European Solid-State Circuits Conference Pub Date : 1989-09-01 DOI:10.1109/4.102671

F. Krummenacher, G. van Ruymbeke

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引用次数: 25

摘要

设计了一种用于中频滤波的18阶全极连续带通滤波器，并将其集成在3微米CMOS工艺中。该滤波器采用9个完全平衡的跨导体-电容耦合谐振器，在200 kHz中心频率下具有20 kHz带宽，54 dB动态范围(IM3≪- 40 dB)，单4 V电源的功耗为300¿A。

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Integrated Selectivity for Narrow-Band FM IF Systems

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.

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ESSCIRC '89: Proceedings of the 15th European Solid-State Circuits Conference

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