Amplifiers – Signal feedback – Combined with control of bias voltage of signal amplifier
Patent
1975-12-24
1977-05-03
Mullins, James B.
Amplifiers
Signal feedback
Combined with control of bias voltage of signal amplifier
330 53, 330 61A, H03F 310
Patent
active
040217507
ABSTRACT:
A broad-band microwave amplifier including a semiconductor TRAPATT diode generating a microwave signal at its fundamental, second and third harmonic frequencies. Energy is extracted at the second harmonic frequency and a certain impedance loading is provided at the fundamental and third harmonic frequencies by an open-ended tapered microstrip idler circuit connected in parallel with the diode. The tapered idler circuit also provides a predetermined relatively small rate of change of impedance with respect to frequency changes to obtain a wide instantaneous bandwidth of the amplifier.
REFERENCES:
patent: 3852680 (1974-12-01), Rosen et al.
Ho Pang-Ting
Rosen Arye
Lazar Joseph D.
Mullins James B.
Norton Edward J.
RCA Corporation
Rodrick Robert M.
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