Active array element amplitude stabilization

Details Active array element amplitude stabilization Active array element amplitude stabilization

1989-02-24

1991-01-08

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

343703, 455115, H01Q 300, G01R 2100, H03C 162

Patent

active

049839810

ABSTRACT:
An amplitude control system particularly suitable for an active antenna array includes a power detector for generating a power level signal representative of a level of radio frequency (RF) energy radiated by an antenna element, or groups of elements, in a phased antenna array. A reference signal corresponding to a desired value for the radiated level of RF energy is set by a control device, and the power level signal and the reference signal are compared with one another. Depending on the comparison result, an attenuator associated with an RF amplifier than drives the antenna elements, is adjusted to maintain the radiated RF energy at the desired value set at the control device.

REFERENCES:
patent: 4176354 (1979-11-01), Hsiao et al.
patent: 4359779 (1982-11-01), Levine
patent: 4392245 (1983-07-01), Mitama
patent: 4521912 (1985-06-01), Franke et al.

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