DESIGN CONSIDERATIONS OF HIGH-DYNAMIC-RANGE WIDE-BAND AMPLIFIERS IN BICMOS TECHNOLOGY

被引:8
|
作者
CHANG, ZY [1 ]
SANSEN, WMC [1 ]
STEYAERT, MSJ [1 ]
机构
[1] KATHOLIEKE UNIV LEUVEN,DEPT ELEKTROTECH,ELECTR SYST AUTOMAT TECHNOL LAB,B-3001 HEVERLEE,BELGIUM
关键词
D O I
10.1109/4.98990
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
Design techniques of high-dynamic-range wide-band amplifiers in BiCMOS technology for matching either a telescope (capacitive) or a wire (resistive) antenna are presented. The advantage of the BiCMOS process over bipolar and CMOS ones in designing such high-performance amplifiers is theoretically studied. It is analytically shown that by optimal combination of bipolar and MOS devices, BiCMOS amplifiers can be designed that show superior performance over the existing bipolar and CMOS realizations. The design principles are verified by the measurements on a bipolar test amplifier implemented in a linear gate array of a BiCMOS technology. A total equivalent input noise level as low as 0.25-mu-V(rms) within 2.5-kHz IF band is achieved and a very high dynamic range of 135 dB is measured without the use of any AGC.
引用
收藏
页码:1681 / 1688
页数:8
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