Phase-shifting system for electronically scanning antennas

Details Phase-shifting system for electronically scanning antennas Phase-shifting system for electronically scanning antennas

1976-10-05

1978-07-25

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

343854, H01Q 326

Patent

active

041032187

ABSTRACT:
A set of phase shifters associated with an array of radiators of an electronically scanning antenna are each controlled by a current-limiting amplifier which has an input stage in series with an electronic switch and an output stage connected to a source of operating voltage normally blocking a pair of diodes in the associated phase shifter. A feedback loop between the two amplifier stages includes another diode serving to stabilize the current flow through the phase-shifter diodes upon closure of the electronic switch by a control device and triggering of the input stage by a signal from a reference-voltage generator.

REFERENCES:
patent: 3708697 (1973-01-01), Georgopoulos
patent: 3710145 (1973-01-01), Williamson et al.
patent: 3792358 (1974-02-01), Lewis et al.
patent: 3806762 (1974-04-01), Punis et al.
patent: 3982171 (1976-09-01), Gersbach

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