MULTICHANNEL ADAPTER FOR ANALOG INPUT-OUTPUT Russian patent published in 2002 - IPC

FIELD: automatics, computing technique, possibly systems for accumulating and processing information, for controlling signal reception of analogue pickups and for outputting analog signals in the form of absolute voltage values, percentage voltage values and sine-cosine signals. SUBSTANCE: adapter includes controller of outer interface main circuit for information exchange, four amplifiers, analog-digital converter, m digital-analog converters, microprocessor, device for controlling analog-digital converter, device for controlling digital-analog converters, four switches for turning on testing mode, four multiplexers, m switches, reference voltage generator, clock device, inner parallel interface main circuit for information exchange, inner successive interface main circuit for information exchange. EFFECT: enhanced accuracy of conversion and noise immunity. 1 dwg