Amplifiers – With semiconductor amplifying device – Including current mirror amplifier
Patent
1979-06-05
1980-12-16
Smith, Alfred E.
Amplifiers
With semiconductor amplifying device
Including current mirror amplifier
330296, 330310, H03F 304, H03F 334
Patent
active
042400414
ABSTRACT:
Disclosed is a high-frequency amplifier circuit which comprises a first transistor with its base coupled to a high-frequency input terminal and grounded through a first diode and emitter grounded, a second transistor with its emitter coupled to the collector of the first transistor, base grounded through second and third diodes and coupled to a reference power supply terminal through a resistor, and collector directly coupled to the reference power supply terminal, and a third transistor with its base coupled to the emitter of the second transistor, emitter grounded, and collector coupled to an output terminal.
REFERENCES:
patent: 3573645 (1971-04-01), Wheatley, Jr.
patent: 3935478 (1974-07-01), Okada et al.
patent: 4119869 (1978-10-01), Hashimoto
Hashimoto Masaru
Yoshinaga Motoaki
Grigsby T. N.
Smith Alfred E.
Tokyo Shibaura Denki Kabushiki Kaisha
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