A VERY LOW VOLTAGE 9TH ORDER LINEAR PHASE BASEBAND SWITCHED CAPACITOR FILTER

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HASHEMIPOUR O.; GORAVANCHI P.

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Journal Paper

Paper Information

Journal: International Journal of Engineering Year:2004 | Volume:17 | Issue:1 (TRANSACTIONS A: BASICS) Page(s): 19-24

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Title

A VERY LOW VOLTAGE 9TH ORDER LINEAR PHASE BASEBAND SWITCHED CAPACITOR FILTER

Author(s)

HASHEMIPOUR O. | GORAVANCHI P. | Issue Writer Certificate

Keywords

LOW VOLTAGE ANALOG CIRCUIT

BASEBAND SC FILTER

Abstract

A very low voltage 9th order linear phase baseband switched capacitor (SC) filter has ‎been designed to be used as part of a cellular GSM (Global System Mobile) receiver. ‎A Gaussian-to-6dB filter of the order of seven is chosen and a second order function ‎is added to reduce the group delay variations around 1m#s. The filter uses a fully ‎differential topology to increase the dynamic range and reduce the clock feed-through ‎noise and the distortion due to low voltage amplifier. Using a chopper stabilization ‎technique in opamp design reduces the flicker noise. In order to reduce the charge ‎injection two methods of delayed clock phases and dummy switches are used. The ‎filter is realized by cascading the biquad sections. The filter has been designed in a ‎‎0.35 m#m CMOS technology and simulated with Hspice using BSIM 3V3model. The ‎filter operates at 2MHz sampling frequency and 1MHz chopping frequency with a ‎corner frequency of 100 KHz and 7 mW power consumption‏.‏

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APA: Copy

HASHEMIPOUR, O., & GORAVANCHI, P.. (2004). A VERY LOW VOLTAGE 9TH ORDER LINEAR PHASE BASEBAND SWITCHED CAPACITOR FILTER. INTERNATIONAL JOURNAL OF ENGINEERING, 17(1 (TRANSACTIONS A: BASICS)), 19-24. SID. https://sid.ir/paper/355271/en

Vancouver: Copy

HASHEMIPOUR O., GORAVANCHI P.. A VERY LOW VOLTAGE 9TH ORDER LINEAR PHASE BASEBAND SWITCHED CAPACITOR FILTER. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2004;17(1 (TRANSACTIONS A: BASICS)):19-24. Available from: https://sid.ir/paper/355271/en

IEEE: Copy

O. HASHEMIPOUR, and P. GORAVANCHI, “A VERY LOW VOLTAGE 9TH ORDER LINEAR PHASE BASEBAND SWITCHED CAPACITOR FILTER,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 17, no. 1 (TRANSACTIONS A: BASICS), pp. 19–24, 2004, [Online]. Available: https://sid.ir/paper/355271/en

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