Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1981-12-09
1984-10-23
Shoop, William M.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
G05F 156
Patent
active
044790856
ABSTRACT:
A power source circuit having a reference voltage generating circuit for generating a DC reference voltage a current output circuit provides across output lines a current proportional to an input voltage, and an error voltage integration circuit is provided for integrating a voltage proportional to a difference between the DC reference voltage and the voltage across the output lines at a required integration time constant to apply the integrated output as the input voltage to a current output circuit. The integration time constant is set so that an output terminal connected to the output lines may have a low output impedance in terms of direct current to maintain a predetermined constant DC output voltage and have a high output impedance with respect to an AC signal applied to the output lines.
REFERENCES:
patent: 3470457 (1969-09-01), Howlett
patent: 3555402 (1971-01-01), Bozarth et al.
patent: 4206397 (1980-06-01), Dahlke
Bernstein, "Adjustable Active Load Maintains Constant DC Power Dissipation", Electronics, Nov. 13, 1975, p. 140.
Ashikaga koichi
Uchida Seiya
Adams Bruce L.
Burns Robert E.
Iwasaki Tsushinki Kabushiki Kaisha
Lobato Emmanuel J.
Shoop William M.
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