Reference voltage circuit

Communications: electrical – Audible indication – Percussion-type sound producer

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Details

307297, 320 1, 323 22R, H03K 1302, G05F 314

Patent

active

040756238

ABSTRACT:
An improved circuit for providing a fixed reference voltage with a minimum consumption of power is provided. The circuit includes a fixed voltage element adapted to be referenced to a fixed voltage. A charge storage element is coupled in series with a uni-directional current gating element, the series coupled charge storage element and uni-directional current gating element being coupled in parallel with the fixed voltage element. A voltage supply intermittently applies a referencing voltage across the fixed voltage element to thereby intermittently charge the charge storage element to a fixed reference voltage for at least a predetermined period of time.

REFERENCES:
patent: 3193803 (1965-07-01), Hoffman
patent: 3201616 (1965-08-01), Houpt
patent: 3746892 (1973-07-01), Ogiso et al.
patent: 3839673 (1974-10-01), Acker
patent: 3913006 (1975-10-01), Fillmore
patent: 3967270 (1976-06-01), Anderson et al.
patent: 3999123 (1976-12-01), Thoener
Pohl: Zener in Preregulator Limits Series, p. 98, Transistor Dissipation, Electronics, vol. 42, No. 2, Oct. 27, 1969.

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