Tower mounted preamplifier

Details Tower mounted preamplifier Tower mounted preamplifier

1985-03-18

1986-01-21

LaRoche, Eugene R.

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330 51, H03F 368

Patent

active

045659729

ABSTRACT:
A communications tower mounted amplifier system which includes a primary preamplifier circuit, a backup preamplifier circuit, and a bypass circuit mutually exclusively selectable through a relay switching means remotely controllable for bypassing the primary preamplifier with the backup preamplifier or the bypass circuit in the event of malfunction. The system includes an AC-to-DC power source and a backup battery system.

REFERENCES:
patent: 1396745 (1921-11-01), Haddock
patent: 1472455 (1923-10-01), Blattner
patent: 1525054 (1925-02-01), Toomey
patent: 2229108 (1941-01-01), Maggio et al.
patent: 2647176 (1953-07-01), Daly
patent: 2773944 (1956-12-01), Karlson
patent: 3204062 (1965-08-01), Foster et al.
patent: 4494077 (1985-01-01), Fukaya et al.
TS RX Systems, Inc., sheet literature reference entitled "Tower Mounted 800 MHz Low Noise Preamp With Bandpass Preselector Model 86-86-81188-R1".

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