Hot standby amplifier apparatus

Details Hot standby amplifier apparatus Hot standby amplifier apparatus

1987-01-28

1988-05-31

LaRoche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

330124D, 330277, H03F 368

Patent

active

047484233

ABSTRACT:
The realization that field effect transistor current can be controlled by adjusting the gate voltage and thereby controlling the amplifier power consumption with only a slight degradation of RF gain and signal quality is utilized in a hot standby radio system configuration. The standby amplifier is left in an ON condition with the gate voltage adjusted to a low value until such time as the amplifier is needed for active service. At this time the gate voltage is adjusted to the optimal value and the amplifier is operated in a normal condition. The standby mode still allows tests to ascertain whether or not the amplifier is operational while conserving substantial amounts of power.

REFERENCES:
patent: 3345578 (1987-07-01), Shuda

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