Hybrid computing units using a pulse ratio modulator

John Kontos

Mathematics and Computers in Simulation (MATCOM), 1968, vol. 10, issue 3, 151-154

Abstract: The use of a pulse ratio modulator for digital to analogue conversion, hybrid multiplication, analogue to digital conversion, hybrid division and voltage to pulse frequency conversion is described. Digital to analogue conversion is accomplished by summing the voltages from the digits of a register with appropriate weights using the pulse ratio modulator. Hybrid multiplication is accomplished by amplitude modulation following the digital to analogue conversion. Analogue to digital conversion and hybrid division are accomplished by a feedback system based on the hybrid multiplier. Voltage to frequency conversion is accomplished by using a hybrid divider and a variable modulo counter. Results from an experimental voltage to frequency converter are given.

Date: 1968
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:10:y:1968:i:3:p:151-154

DOI: 10.1016/S0378-4754(68)80016-3

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