Digital-to-synchro converter

Details Digital-to-synchro converter Digital-to-synchro converter

1975-03-17

1976-11-23

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347DA, H03K 1302

Patent

active

039939936

ABSTRACT:
A digital-to-synchro converter accepts digital distance data comprising either a binary coded decimal (BCD) signal or a train of pulses of any desired format. The converter comprises a digital-to-synchro converter whose output represents the distance data that controls a signal generator synchronized to a sinusoidal reference voltage. The signal generator output are pulses representing sample and hold control signals which are applied to a sample and hold circuit. The sine wave is sampled by the sample and hold circuit, and the output is a DC voltage that is proportional to the sine of the desirable synchro rotation angle. This voltage is applied to an analog multiplier for generating the controlling signals which are then amplified before being routed to provide distance measurements at the synchro receiver.

REFERENCES:
patent: 2998560 (1961-08-01), Mottu
patent: 3039030 (1962-06-01), Weidner
patent: 3051942 (1962-08-01), Galman
patent: 3196430 (1965-07-01), Oken et al.
patent: 3457395 (1969-07-01), Wisniewski
patent: 3488653 (1970-01-01), Rasche
patent: 3553647 (1971-01-01), Bullock
patent: 3731300 (1973-05-01), Greutman et al.

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