Oscillators – Ring oscillators
Patent
1987-09-28
1989-02-14
LaRoche, Eugene R.
Oscillators
Ring oscillators
331108B, H03B 100
Patent
active
048049298
ABSTRACT:
A control pulse generator according to the present invention includes a voltage generator for generating an output voltage proportional to a power supply voltage, an inverter for generating an inversion signal whose signal level is inverted when the output voltage from the voltage generator reaches a predetermined value, and a pulse signal generator for delaying a level inversion timing of the inversion signal by a predetermined delay time, and generating a control pulse having a width corresponding to the delay time. According to the control pulse generator with the above arrangement, the width of the control pulse can be determined on the basis of the delay time of the pulse signal generator, regardless of rise states of the power supply voltage. In addition, the height of the control pulse can be set at a desired value according to a supply voltage to the pulse signal generator, regardless of rise states of the supply voltage.
REFERENCES:
patent: 3806741 (1974-04-01), Smith
Asano Masamichi
Iwahashi Hiroshi
Kato Hideo
Kikuchi Shin-ichi
Narita Akira
Kabushiki Kaisha Toshiba
LaRoche Eugene R.
Pascal Robert J.
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