Analog multiplier with thermally compensated gain

Details Analog multiplier with thermally compensated gain Analog multiplier with thermally compensated gain

1997-10-17

2000-03-28

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

327120, 327357, 327513, G06F 744

Patent

active

060437006

ABSTRACT:
A bipolar analog multiplier with a greatly reduced output sensitivity to temperature. The multiplier uses the difference between the multiplier input voltages and the reference voltages to generate currents. Voltages which are logarithmically dependent on the generated currents are developed and applied to inputs of bipolar variable transconductance stages. Circuits are used to reduce ringing at the output of the multiplier.

REFERENCES:
patent: 4019118 (1977-04-01), Harwood
patent: 5319267 (1994-06-01), Kimura
patent: 5699080 (1997-12-01), Hatanaka
patent: 5883539 (1999-03-01), Kimura

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