A 3V g(m)C-filter with on-chip tuning for CDMA

被引：3

作者：

Halonen, K ^{[1
]}

Lindfors, S ^{[1
]}

Jussila, J ^{[1
]}

Siren, L ^{[1
]}

机构：

[1] HELSINKI UNIV TECHNOL,ELECT CIRCUIT DESIGN LAB,FIN-02150 ESPOO,FINLAND

来源：

PROCEEDINGS OF THE IEEE 1997 CUSTOM INTEGRATED CIRCUITS CONFERENCE | 1997年

关键词：

D O I：

10.1109/CICC.1997.606590

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a low-voltage channel selection analog front-end with continuous-time filters and on-chip tuning. The filters were realized as balanced seventh order elliptical g(m)C-filters to achieve low current consumption. A novel floating resistor based transconductor was developed to satisfy stringent intermodulation distortion specification and to fulfill the requirement for low supply voltage. A novel biasing for high-swing cascode output stages that extends the practical signal swing capability was developed. A digital tuning circuit based on a time-domain integrator was realized.

引用

页码：83 / 86

页数：4

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