High power wide band amplifier using optical techniques and impe

Details High power wide band amplifier using optical techniques and impe High power wide band amplifier using optical techniques and impe

1988-04-18

1989-10-03

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

307311, G02B 2700

Patent

active

048719200

ABSTRACT:
An amplifying apparatus has a plurality of series coupled laser diodes that impedance match a signal source impedance and which are optically coupled to at least one PIN diode that impedance matches a load impedance. A high DC voltage is applied to the PIN diode so that gain is obtained and signal power is applied to the load. A plurality of parallel coupled PIN diodes can be used or a series-parallel combination.

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patent: 4390790 (1983-06-01), Rodriguez
R. A. Kiehl et al., "An Optically Coupled Microwave Switch," 1980, IEEE-MTTS-S, International Microwave Symposium, pp. 314-316.

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