FIELD: radio communications.
SUBSTANCE: device has signals normalization block 1, demodulator 2, signals comparison block 3, support level block 4, logical processing and modulation type indication block 5. Block 4 and 5 are made at analog comparator, on first, second and third support inputs of which threshold voltage U1, U2, U3 are fed and five logical elements AND-NO, to inputs of which voltage is fed from outputs of analog comparator, and to outputs of three of them modulation type indication elements are connected. Block 5 for decreasing number of bodies therein is made on three XOR elements with open collector output.
EFFECT: broader functional capabilities.
2 cl, 3 dwg, 2 tbl
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Authors
Dates
2005-07-27—Published
2003-12-05—Filed