A HIGH-LINEARITY 50-OMEGA CMOS DIFFERENTIAL DRIVER FOR ISDN APPLICATIONS

被引：13

作者：

CASTELLO, R ^{[1
]}

NICOLLINI, G ^{[1
]}

MONGUZZI, P ^{[1
]}

机构：

[1] ST MICROELECTR SPA,I-20041 AGRATE BRIANZA,ITALY

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 1991年 / 26卷 / 12期

关键词：

D O I：

10.1109/4.104172

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：

A CMOS differential line-driver amplifier that uses positive feedback in the input stage to give transconductance multiplication and pole-zero doublet insertion is reported. The gain-bandwidth product at 60 kHz is 30 MHz and the unity-gain frequency is 2.7 MHz. The circuit operates from a single 5-V power supply and can achieve a total harmonic distortion (THD) of -78 dB for a 6-V(pp) differential output signal at 40 kHz and for a load of 100-OMEGA and/or 150 pF. For the same measuring condition but with a load of 50-OMEGA and/or 150 pF, the THD is -73 dB. A power supply rejection of more than 76 dB up to 150 kHz is obtained. The chip occupies an area of 1200 mil2 in a 1.5-mu-m CMOS technology and dissipates 20 mW.

引用

页码：1809 / 1816

页数：8

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