Electricity: power supply or regulation systems – For phase shift or control
Patent
1986-08-01
1987-08-11
Beha, Jr., William H.
Electricity: power supply or regulation systems
For phase shift or control
323267, 363 72, 342372, G05F 170
Patent
active
046864482
ABSTRACT:
A programmable slewing power supply is used to drive microwave phase shifters according to a command signal from a system controller using: a Milberger converter; a power source; a rectifying circuit; two differential amplifier circuits; and two comparator amplifier circuits. The Milberger converter outputs a combined square wave which it produces by combining two independent square waves which add or cancel. The power source receives the combined square wave and outputs: a reference voltage, a positive voltage signal; and a negative voltage signal. The rectifying circuit produces a rectified command signal by rectifying the command signal from the system controller. The two differential amplifier circuits respectively measure the positive and negative voltage signals with respect to the reference voltage to produce a measured positive voltage signal, and a measured negative voltage signal. The comparator operational amplifiers produce complementary outputs to drive the phase shifters by respectively comparing the measured positive and negative voltage signals with the rectified command signal.
REFERENCES:
patent: 3237088 (1966-02-01), Karp et al.
patent: 3448372 (1969-06-01), Goff
patent: 4513360 (1985-04-01), Ikenoue et al.
Jones Franklin B.
Kerfoot Charles S.
Milberger Walter E.
Auton William G.
Beha Jr. William H.
Singer Donald J.
The United States of America as represented by the Secretary of
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