Regulated voltage supply with sense current cancellation circuit

Details Regulated voltage supply with sense current cancellation circuit Regulated voltage supply with sense current cancellation circuit

1983-08-12

1986-04-29

Salce, Patrick R.

Electricity: power supply or regulation systems

Output level responsive

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

323909, G05F 162

Patent

active

045859876

ABSTRACT:
A regulated voltage supply (10) for delivering a substantially constant voltage to a load (12) having a regulator (24) for controlling a raw voltage supply (22) to deliver that constant potential, wherein the supply includes sense leads (28 and 30) between the load and the regulator for monitoring load voltage, provided with a sense current cancellation circuit (30) for nulling sense current and preventing it from flowing through the sense leads; in a preferred implementation, including voltage-to-current converters (42 and 44) bridging respectively the output terminals (14 and 16) and the sense terminals (32 and 34), it provides a cancellation current equal in magnitude and opposite in direction to the sense current.

REFERENCES:
patent: 3532936 (1970-10-01), Kuster
patent: 3538423 (1970-11-01), Goleniewski
patent: 3646428 (1972-02-01), Torok
patent: 3723854 (1973-03-01), Kita
patent: 3818274 (1974-06-01), DeWitte et al.
patent: 4551668 (1985-11-01), Kammiller
Hollingsworth, "Stabilized Power-Supply Characteristics and Facilities" Electronics and Power, Apr. 1984, pp. 311-314.

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