Voltage-to-frequency and analog-to-digital converter circuit

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

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340347NT, H03K 1320

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active

045583013

ABSTRACT:
A voltage-to-frequency and analog-to-digital conversion circuit using a microprocessor-controlled capacitor charge-discharge scheme provides high resolution and low component count and is particularly suitable for use with resistance bridge transducers.

REFERENCES:
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patent: 3538317 (1970-11-01), Fukuda
patent: 4083044 (1978-04-01), Marshall
patent: 4092726 (1978-05-01), Schaeff
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patent: 4366874 (1983-01-01), Pidoux
patent: 4390864 (1983-06-01), Ormond
Chauvel, "Produce an Analog-Digital Converter with a TMS 1000 Microcomputer", Electron. & Appl. Ind., No. 232, (Mar. 1, 1977), pp. 43-45.
Taylor, "A Current-to-Frequency Converter for Astronomical Photometry", The Review of Scientific Instruments, vol. 40, No. 4, Apr. 1969, pp. 559-562.

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