Measurements and analysis of the optimisation of HBT circuits for optical demodulator designs

被引:1
作者
Langlois, PJ [1 ]
Rezazadeh, AA [1 ]
机构
[1] Univ London Kings Coll, Dept Elect Engn, London WC2R 2LS, England
来源
8TH IEEE INTERNATIONAL SYMPOSIUM ON HIGH PERFORMANCE ELECTRON DEVICES FOR MICROWAVE AND OPTOELECTRONIC APPLICATIONS | 2000年
关键词
D O I
10.1109/EDMO.2000.919067
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
The second order non-linearity when using the base-emitter diode or the base-collector diode in an HBT for down conversion is analysed and measured. The non-linearity in the b-e circuit is shown to be at least beta times larger than the b-c diode circuit (> 90 times in the measured example). The contribution of the non-linearity of the current gain is identified. A circuit with added diodes is also examined.
引用
收藏
页码:242 / 247
页数:6
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