Title: High frequency amplifier with frequency conversion

Abstract: A high frequency amplifier comprising an amplifying circuit, an emitter follower which makes the output impedance of the amplifying circuit low and an impedance matching network consisting of a coil and a condenser and connected between the amplifying circuit and the emitter follower, in which an operation voltage for the amplifying circuit is supplied thereto through a bias resistor for the emitter follower and a coil of the impedance matching network.

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Inventors: Watanabe, Seiichi (Machida, JA)
Yoshikawa, Takashi (Fujisawa, JA)

Application Number: 545755
Filing Date: 1975-01-30
Publication_date: 1976-04-06
Assignee: Sony Corporation (Tokyo, JA)
Primary Class(es): 455/333 330/307
Other Classes:
US Patent Ref:

3694756

Sep, 1972

Carlson

325/451.

Other Refs:
Primary Examiner: Rolinec, R. V.
Assistant Examiner: Dahl, Lawrence J.
Attorney: Eslinger; Lewis H., Sinderbrand; Alvin