Analog to digital converter circuit with gain ranging feedback

Details Analog to digital converter circuit with gain ranging feedback Analog to digital converter circuit with gain ranging feedback

1975-08-29

1978-03-07

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

324 99D, 330 86, 340347M, H03K 1302

Patent

active

040782336

ABSTRACT:
An acoustical testing system is described wherein a stabilized and calibrated audio sound generator is used to drive a device to be tested with the output of the device being processed by circuit means that are automatically self-adjusting thereby resulting in digital readouts of the device's output amplitude and purity.

REFERENCES:
patent: 3613111 (1971-10-01), Paine et al.
patent: 3662380 (1972-05-01), Cargile
patent: 3675238 (1972-07-01), Butscher
patent: 3683367 (1972-08-01), Monroe et al.
patent: 3685047 (1972-08-01), Sherer et al.
patent: 3790886 (1974-02-01), Kurtin et al.
Edrington, "D-A Converter Forms Programmable Gain Control," Electronics, 7/75, p. 92.

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