Amplifiers – With semiconductor amplifying device – Including particular power supply circuitry
Patent
1985-02-04
1986-04-29
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including particular power supply circuitry
330261, 330290, 330296, H03F 100
Patent
active
045860033
ABSTRACT:
To provide for essentially instantaneous stable operation of an electrical circuit, including an internal R/C feedback circuit, upon connection to an interruptible power supply source (+U.sub.S, G), the circuit includes an additional or auxiliary input terminal (14) which is connected to a series-capacitor network, including a series capacitor (C1, 19) serially connected between the additional terminal (14) and a power terminal of the power supply, and a shunt capacitor (C2, 18) connected between the additional terminal (14) and ground or chassis of the power supply; and wherein the capacity value relationships of the series and shunt capacitors are so selected with respect to the voltage of the power supply that the additional terminal will have a voltage corresponding to at least approximately the operating point (U.sub.V) impressed thereon upon connection of the power supply means.
REFERENCES:
patent: 4491802 (1985-01-01), Uchida et al.
"Inegrierte Schaltungen fur Industrielle Anwendunge" (Siemens, Integrated Circuits for Industrial Applications, 1982/83, pp. 177-184).
Gorzel Heribert
Liess Wolfgang
Mullins James B.
Robert & Bosch GmbH
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