Temperature-compensated circuit for GaAs ECL output buffer

Details Temperature-compensated circuit for GaAs ECL output buffer Temperature-compensated circuit for GaAs ECL output buffer

1988-10-27

1990-01-30

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330256, 330277, 330289, H03F 345, H03F 316

Patent

active

048976130

ABSTRACT:
A temperature-compensated output buffer is disclosed that incorporates a temperature-compensating network into a GaAs output buffer that has been interfaced to Silicon-based circuitry to regulate the output voltage of the buffer under changing temperature conditions. The temperature-compensating network includes a differential amplifier whose output varies with temperature due to a network of series-connected Schottky diodes. The output of the differential amplifier controls a bleeder MESFET that controls the output voltage of the buffer so that temperature variations do not adversely affect the buffer output.

REFERENCES:
patent: 3740658 (1973-06-01), Loving, Jr.
patent: 4050030 (1977-09-01), Russell

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