Amplifiers – With semiconductor amplifying device – Including distributed parameter-type coupling
Patent
1979-10-10
1981-12-22
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including distributed parameter-type coupling
330298, H03F 310
Patent
active
043073492
ABSTRACT:
A protection circuit for an Impatt amplifier includes a voltage comparator which is arranged to sense the terminal voltage of the or each Impatt diode. When the comparator senses that a diode terminal voltage has risen above a predetermined value a circuit is actuated which causes power to be disconnected from the amplifier. The present circuit does not require the use of expensive couplers.
REFERENCES:
patent: 3365675 (1968-01-01), Gaddy et al.
Willing, "A Two-Stage Impatt Diode Amplifier", Telecommunication Journal, vol. 41-VII/1974, pp. 439-445.
Huish Peter W.
Thorpe William
Mullins James B.
The Post Office
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