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High-frequency fully integrated OTA-C filters using a 7.2 GHz bipolar OTA

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2 Author(s)
M. Atarodi ; Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA ; J. Choma

Using a complementary BJT process with the maximum f(Tnpn )=7.2 GHz and f(Tpnp)=4.5 GHz, an OTA with -3 db bandwidth of 7.2 GHz has been designed by proposing some broadbanding and phase-compensation techniques. To demonstrate the application in OTA-C continuous-time filter design, a 225 MHz OTA-C lowpass filter and a 250 MHz OTA-C biquadratic bandpass filter are realized and presented concisely

Published in:

Circuits and Systems, 1993., Proceedings of the 36th Midwest Symposium on

Date of Conference:

16-18 Aug 1993