Voltage generating system

Details Voltage generating system Voltage generating system

1975-07-03

1977-03-29

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 23, 325464, H04N 550

Patent

active

040151921

ABSTRACT:
A voltage generating system comprising generators for producing a plurality of reference voltages, switching devices provided in the reference voltage generators such that any of a given one or given ones of the reference voltages may be selectively taken out, an integrator to smooth a selected reference voltage to obtain an output voltage, a switching pulse generator to produce a switching pulse signal for switching the switching devices and a circuit to vary the duty ratio of the switching pulse signal so as to vary the magnitude of the output voltage. This voltage generating system may be used for generating a channel selection voltage for electronic tuners (varactor tuners), for digital-to-analog converter circuits etc.

REFERENCES:
patent: 3551777 (1970-12-01), Bingley
patent: 3787784 (1974-01-01), Mangold et al.
patent: 3818306 (1974-06-01), Marini
patent: 3903490 (1975-09-01), Sakamoto

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