Amplifiers – With semiconductor amplifying device – Including temperature compensation means
Patent
1984-01-10
1985-11-26
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including temperature compensation means
330277, H03F 304
Patent
active
045556750
ABSTRACT:
A device for compensating the temperature drifts of the gain of an ultra-high frequency electric signal amplifier, having a bi-gate field effect transistor coupled by a first gate to the ultra-high frequency signal source and by its output to the input of the amplifier. It also comprises a temperature sensor coupled to the second gate of the bi-gate transistor for controlling the gain of the bi-gate transistor as a function of the temperature variations.
REFERENCES:
patent: 4442410 (1984-04-01), Daniel
Blanchandin Monique
Girardat Roland
Vanestrenvord Jean-Michel
Mullins James B.
Thomson - CSF
Wan G.
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