H - Electricity – 03 – F
Patent
H - Electricity
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F
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H03F 3/45 (2006.01) H03K 19/003 (2006.01) H03K 19/094 (2006.01)
Patent
CA 1235462
- 27 - GALLIUM ARSENIDE DIFFERENTIAL AMPLIFIER WITH CLOSED LOOP BIAS STABILIZATION ABSTRACT OF THE DISCLOSURE A gallium arsenide differential amplifier is compensated against temperature and process induced variations so as to provide phase and amplitude matched differential output signals centered about an internal GaAs reference voltage. Compensation of the amplifier is effected by one or more current sources which are adjustably responsive to the dynamic common mode level of the output signals. The resultant amplifier provides a high common mode rejection ratio and facilitates implementation of otherwise impracticable differential GaAs circuit topologies.
502650
Kirby Eades Gale Baker
Triquint Semiconductor Inc.
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