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A 100 dB, 480 MHz OTA in 0.7 μm CMOS for sampled-data applications

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2 Author(s)
Burger, T. ; Integrated Syst. Lab., Swiss Federal Inst. of Technol., Zurich, Switzerland ; Qiuting Huang

A fully differential operational transconductance amplifier with a gain-bandwidth of 480 MHz at 52 degrees of phase margin and a DC-gain of 100 dB has been implemented in a 0.7 μm CMOS process. The circuit utilizes the regulated cascode gain enhancement technique and has a switched-capacitor dynamic common mode feedback structure. It has been designed for a +/- 3 V output swing at a single supply of 5 V. The power consumption is 145 mW

Published in:

Custom Integrated Circuits Conference, 1996., Proceedings of the IEEE 1996

Date of Conference:

5-8 May 1996