Signal amplifiers having non-interruptible communication paths

Details Signal amplifiers having non-interruptible communication paths Signal amplifiers having non-interruptible communication paths

2011-03-22

2011-03-22

Lee, John (Department: 2618)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S127200, C455S083000, C455S572000

Reexamination Certificate

active

07912431

ABSTRACT:
RF signal amplifiers are provided that include an RF input port, a first RF output port, a second RF output port and a power input for receiving electrical power. These amplifiers include a first communication path between the RF input port and the first RF output port that has a power amplifier that amplifies signals that are transmitted from the RF input port to the first RF output port. These amplifiers also have a second non-interruptible communication path between the RF input port and the second RF output port. The amplifiers further include a selective termination circuit that is configured to pass signals between the RF input port and the first RF output port over the first communication path when electrical power is received at the power input and to terminate the first communication path to a matched termination when an electrical power feed to the power input is interrupted.

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