FIELD: radio communications; transmission of frequency-telegraphy multifrequency signals. SUBSTANCE: device has phase adder-accumulator, harmonic-wave read-only memory device, digital-to-analog converter, and low-frequency filter; novelty is introduction of timer, frequency value shaper, full phase adder, switch, components adder-accumulator, counter, initial-phase read-only memory, decoder and multiplexer connected into N-bit bus circuit. EFFECT: provision for shaping multifrequency signal with arbitrary combination of its components. 1 cl, 5 dwg
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Authors
Dates
2003-09-10—Published
2002-07-29—Filed