Differential voltage to differential current conversion circuit

Details Differential voltage to differential current conversion circuit Differential voltage to differential current conversion circuit

1990-10-01

1991-08-27

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323315, 307261, 3072966, G05F 320

Patent

active

050436520

ABSTRACT:
A voltage that is proportional to a differential input voltage is applied across two resistors. Each resistor produces a current that is proportional to the input voltage. The current from each resistor flows through an associated current mirror. Each current mirror produces a current equal to the current flowing through the associated resistor. The current produced by each current mirror becomes an output current that is proportional to the input voltage.

REFERENCES:
patent: 4442400 (1984-04-01), Nagano
patent: 4550262 (1985-10-01), Kohsiek
patent: 4769590 (1988-09-01), Taylor
patent: 4866312 (1989-09-01), Kearney et al.
patent: 4952866 (1990-08-01), Van Tuijl
patent: 4961046 (1990-10-01), De Jager
"Sigma-Delta Modulator as an A/D Converter", Rudy J. Van De Plassche, IEEE Transactions on Circuits and Systems, vol. CAS-25, No. 7, Jul. 1978.

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