Failure responsive alternate amplifier and bypass system for...

Details Failure responsive alternate amplifier and bypass system for... Failure responsive alternate amplifier and bypass system for...

H - Electricity

05

K

H05K 10/00 (2006.01) H03F 1/00 (2006.01) H03F 1/52 (2006.01) H03F 3/68 (2006.01)

Patent

CA 2129305

A communications amplifier system which includes a primary preamplifier circuit, a secondary preamplifier circuit and a bypass circuit mutually exclusively selectable through a relay switching means which is automatically activated to bypass the primary preamplifier with the secondary preamplifier or the secondary preamplifier with the bypass circuit in the event of malfunction. In the standby mode, the secondary preamplifier is not connected to DC power or RF signal input.

Système amplificateur de communication comprenant un circuit préamplificateur primaire, un circuit préamplificateur secondaire et un circuit de dérivation, un seul de ces trois éléments pouvant être sélectionné à la fois par un relais qui est automatiquement activé pour contourner le préamplificateur primaire par l'intermédiaire du préamplificateur secondaire ou pour contourner le préamplificateur secondaire par l'intermédiaire du circuit de dérivation en cas de défaillance. En mode attente, le préamplificateur secondaire n'est pas connecté à l'alimentation c.c. ni à l'entrée RF.

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