FIELD: radio engineering. SUBSTANCE: device has preliminary selector 1, frequency converter 2, main selection unit 3 and telephone demodulator 4, telegraph demodulator 5, command demodulator 6, frequency synthesizer 7, transmission circuit regulation unit 8, checking unit 9, program control unit 10, interface unit 11. EFFECT: increased stability to noise. 5 cl, 6 dwg
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Authors
Dates
1997-05-27—Published
1991-04-22—Filed