Subtraction of wide band signals

Details Subtraction of wide band signals Subtraction of wide band signals

1988-10-13

1989-12-19

Fleming, Michael R.

Boots, shoes, and leggings

364602, 364825, H03H 710

Patent

active

048887250

ABSTRACT:
A circuit for subtracting wide band signals without requiring an amplifier having good common mode rejection converts each wide band signal into opposing currents. A switching network applies the desired current for each wide band signal to a summing node. The combined current at the summing node is input to a drive amplifier to produce an output signal that is the desired combination of the wide band signals.

REFERENCES:
patent: 4035628 (1977-07-01), Lampe
patent: 4063200 (1977-12-01), Mattern
patent: 4323864 (1982-04-01), Ogawa
patent: 4667298 (1987-05-01), Wedil

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