Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Patent
1991-12-19
1993-06-01
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
330255, 330260, 330295, 330297, H03F 330
Patent
active
052163822
ABSTRACT:
There is disclosed an amplifier circuit of the type using differential amplifiers at the preceding stage of the output stage of an SEPP (Single Ended Push Pull) circuit. This amplifier circuit is of a structure such that a power supply voltage is delivered from a second power supply circuit independent of a first power supply circuit for transistors constituting the SEPP circuit to the respective differential amplifiers. Further, the amplifier circuit featured above may be applied to an amplifier circuit arrangement including a plurality of amplifier units connected in parallel such that input terminals and output terminals are commonly connected, respectively.
REFERENCES:
patent: 3478275 (1969-11-01), Walker
patent: 3988691 (1976-10-01), Shih
patent: 4931797 (1990-06-01), Kawaga et al.
patent: 5075636 (1991-12-01), Addis et al.
Mullins James B.
Pioneer Electronic Corporation
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