Method and apparatus for monitoring the RF drive circuit of a li

Details Method and apparatus for monitoring the RF drive circuit of a li Method and apparatus for monitoring the RF drive circuit of a li

1996-12-19

1998-09-15

Bovernick, Rodney B.

Coherent light generators

Particular component circuitry

Optical pumping

H01S 300

Patent

active

058090495

ABSTRACT:
The present invention monitors the RF drive circuitry of a linear laser transmitter. In one preferred embodiment of the present invention, a filtered RF signal from the monitor diode is amplified and then input to a peak detector. The output of the peak detector is then fed to the input of a threshold detector, wherein the threshold detector determines whether the output of the peak detector is above a predetermined threshold. If the output of the peak detector falls below the predetermined threshold an alarm is generated at the status monitoring ports of the laser transmitter.

REFERENCES:
patent: 5394416 (1995-02-01), Ries
patent: 5408485 (1995-04-01), Ries
patent: 5450198 (1995-09-01), Killpatrick et al.

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