A 0.8 μm CMOS switched-capacitor video filter

被引：0

作者：

Petraglia, A ^{[1
]}

Cañive, JM ^{[1
]}

Petraglia, MR ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, EPOLI, COPPE, Program Elect Engn, BR-21945970 Rio de Janeiro, Brazil

来源：

SBCCI2004:17TH SYMPOSIUM ON INTEGRATED CIRCUITS AND SYSTEMS DESIGN, PROCEEDINGS | 2004年

关键词：

allpass circuits; analog integrated circuits; filters; switched-capacitor filters; testing;

D O I：

10.1145/1016568.1016586

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The very low sensitivity properties of switched-capacitor filtering structures implemented as a parallel connection of two allpass sections has already been demonstrated theoretically and verified by computer simulation. This paper describes the design of a fifth-order lowpass elliptic filter using this technique, to satisfy specifications commonly used in video frequency applications. Operating with a sampling frequency of 16 MHz, the IC prototype was implemented in a standard double-poly CMOS 0.8 mum process. The experimental results obtained with the fabricated IC showed a passband frequency deviation smaller than 0.08 dB up to the passband edge frequency of 3.4 MHz, and an output noise power of 0.97 muv(RMS)/rootHz, resulting in a dynamic range of 49.1 dB.

引用

页码：39 / 43

页数：5

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