Voltage generator for a semiconductor integrated circuit

Details Voltage generator for a semiconductor integrated circuit Voltage generator for a semiconductor integrated circuit

1991-09-18

1993-07-13

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072962, 3072966, 3072967, 3072968, H03K 301

Patent

active

052276759

ABSTRACT:
A semiconductor integrated circuit comprises a chip, an oscillator provided on the for producing an alternate current with a controlled amplitude that is determined by the drive voltage, a rectifier provided on the chip for receiving and converting the alternate current into a direct current, a voltage detector provided on the chip for detecting a voltage level of the direct current, and a controller provided on the chip and supplied with the detection signal from the voltage detector for controlling the oscillator such that the amplitude of the alternate current is changed in response to the detection signal. The controller increases the amplitude of the alternate current when the voltage level of the direct current has decreased below a predetermined level and decreases the amplitude of the alternate current when the voltage level of the direct current has increased above the predetermined level.

REFERENCES:
patent: 4471290 (1984-09-01), Yamaguchi
patent: 4739191 (1988-04-01), Puar
patent: 4794278 (1988-12-01), Vajdic
patent: 4820936 (1989-04-01), Veendrick et al.
patent: 4843256 (1989-06-01), Scade et al.
patent: 4890011 (1989-12-01), Miyatake
patent: 4961007 (1990-10-01), Kumanoya et al.
patent: 5003197 (1991-03-01), Nojima et al.

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