OTA_gain_control_amplifier

Published:2009/7/24 23:59:00 Author:Jessie | From:SeekIC

This circuit shows an OTA in a typical gain-control amplifier application. Figure 11-5B shows some typical characteristics. With an IABC of 1 mA,the gm is about 16 mmhos. With the CA3280 operating into a 5-KΩ resistor,the gain is 80.



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