H - Electricity – 03 – F
Patent
H - Electricity
03
F
330/22
H03F 3/45 (2006.01) H03F 3/345 (2006.01)
Patent
CA 1274884
Abstract: The present invention is related to an integrated circuit which includes a balanced output analog differential amplifier circuit arrangement. The integrated circuit is comprised of a differential input stage which has first and second input branches; an output stage which includes an output section connected to receive signals from the input stage and a common mode signal detector which is connected to detect common mode in the output stage and to generate a feedback control signal. Each of a matched pair of first and second current steering devices are connected to receive the feedback control signal and are connected respectively to the first and second input branches whereby the first and second current steering devices draw equal respective currents from the first and second input branches, respectively, in accordance with the feedback control signal.
563147
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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