Processor-Controlled DAC-20 (Digital-to-Analog Converter).
W. A. Holloway, J. W. Spears · STIN · 1983
Abstract : The Processor Controlled DAC is a PCM World Selector, controlled by dual 6502B microprocessors. It was developed for a high word rate PCM systems, and as a flexible unit to be used with almost any PCM format. This multi-channel DAC (digital-to-analog converter) is capable of selecting up to 32 separate word patterns and can produce up to 30 outputs with additional DAC's. At present, 18 DAC outputs are offered with 0 to +10 volt outputs. Details of circuit design, operation, and software are covered in this report.