Circuit for preserving the magnitude of the dc component in a pu

Details Circuit for preserving the magnitude of the dc component in a pu Circuit for preserving the magnitude of the dc component in a pu

1984-05-18

1986-01-21

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

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

340347DA, 340347CC, G05F 146

Patent

active

045659613

ABSTRACT:
A pulsed current source in which the dc component of the pulsed current is independent of variations in the duty cycle of the current pulses. A dc current source supplies a current I through a switch that alternately switches the current between a first output and a second output to produce at the first output the pulsed current I.sub.p. The dc component of the current at the second output is added to the current I, thereby making the dc component of the pulsed current insensitive to the duty cycle. In systems in which additional processing produces from I.sub.p a set of currents, the dc component of the sum of a first subset of these currents is made to equal I by adding to the input of the switch the dc component of the sum of those currents in the complement of the first subset.

REFERENCES:
patent: 4225816 (1980-09-01), Schade
patent: 4458201 (1984-07-01), Koen

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