Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Patent
1977-02-07
1978-06-13
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
330267, 330290, 330293, 330296, H03F 3183
Patent
active
040951898
ABSTRACT:
The amplifier comprises at least two amplifier units or transistors T.sub.1 and T.sub.2 of complementary types. The base of the first transistor T.sub.1 is connected to a control current supply line. The emitter of the transistor T.sub.1 is connected on the one hand to one end of the load impedance and on the other hand to the base of the second transistor T.sub.2. The collector of the transistor T.sub.1 is connected to a voltage supply of suitable polarity. The emitter of the transistor T.sub.2 is connected to the current supply line and the collector of said transistor is connected to another end of the load impedance.
REFERENCES:
patent: 3500218 (1970-03-01), Burwen
patent: 3686580 (1972-08-01), Van Den Plassche
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