Circuit configuration for generating a d-c output voltage indepe

Details Circuit configuration for generating a d-c output voltage indepe Circuit configuration for generating a d-c output voltage indepe

1982-09-08

1983-12-27

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

307297, G05F 320

Patent

active

044233701

ABSTRACT:
Circuit for generating a d-c output voltage being independent of fluctuations of a d-c supply voltage, including a reference voltage circuit connected to a d-c supply voltage source, the reference voltage circuit including a series circuit of a constant-current source and a potenatial shift branch, an inverting amplifier being connected to and addressed by the reference voltage circuit, the inverting amplifier having an output circuit including a combination of a plurality of first resistors and at least one first transistor determining the gain of the inverting amplifier, an output driver supplying the d-c output voltage, the output driver being connected to and addressed by the inverting amplifier and the output driver having an output circuit being connected to the potential shift branch of the reference voltage circuit for driving the potential shift branch, the output driver including an emitter follower stage having an output circuit with a second transistor and a second resistor, a voltage stabilizing circuit having a tap carrying a prestabilized voltage and the voltage stabilizing circuit being connected to the d-c supply voltage source, a third resistor connected between the tap and the at least one first transistor in the output circuit of the inverting amplifier, and a fourth resistor connected between the tap and the second transistor in the emitter follower output circuit of the output driver, the first, second, third and fourth resistors having the same resistance value.

REFERENCES:
patent: 3820007 (1974-06-01), Schilling et al.
patent: 3922596 (1975-11-01), Cave et al.
patent: 3927335 (1975-12-01), Keller et al.

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