Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Patent
1981-02-20
1983-11-08
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
330307, 330207P, H03F 326
Patent
active
044145144
ABSTRACT:
A two signal amplifying system is constructed of first and second BTL amplifiers each including a phase splitter and first and second push-pull output circuits. In each of the first and second push-pull output circuits, output transistors are connected between a power source and output terminals, and detectors for detecting the operating states of said transistors are connected with the output transistors constituting the aforementioned first and second push-pull output circuits, respectively. The outputs of those two detectors are fed to a control circuit. The output of the control circuit renders the two output transistors nonconductive in case at least one of the two output transistors deviates from a predetermined operating range.
Seki Kunio
Takeshita Ritsuji
Hitachi , Ltd.
Mullins James B.
Wan Gene
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