TECHNICAL MANUAL FOR COMPACT VHF DSC RM2042
TECHNICAL MANUAL FOR COMPACT VHF DSC RM2042
TECHNICAL MANUAL FOR COMPACT VHF DSC RM2042
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3 SERVICE <strong>RM2042</strong>INTEGREATED CIRCUIT, ANALOG:LM324 (SO-8 PACKAGE)LM339 (SO-8 PACKAGE)MC3372 (SO-16 CASE)OUTPUT 41441INPUT 4 --++-INPUT 4 +GNDINPUT 3 +INPUT 3 --+3+ 2 -OUTPUT 313 12 11 10 9 81 2 3 4 5 6 71 2 3 4 5 6 7OUTPUT 314OUTPUT 413GND4112+-+ -INPUT 4 +11INPUT 4 -1032INPUT 3 ++ - +-9INPUT 3 -8IF INPUT16GND1514Squelch Triggerwith HysteresisOscillatorMUTEMixerMETER13SQUELCH12LimiterAmpFILTER OUT11FilterAmpFILTER IN1 2 3 4 5 6 7+-109AFAmpDemodulator10pF53kAF OUT8OUTPUT 1INPUT 1 -INPUT 1 +V CCINPUT 2 +INPUT 2 -OUTPUT 2OUTPUT 2OUTPUT 1V CCINPUT 1 -INPUT 1 +INPUT 2 -INPUT 2 +X-TALX-TALIF OUTPUTVCCLIMITER INDECOUPLIMITER OUTQUAD INTDA7052 (DIL-8 PACKAGE)VDD1VDD 1 8INPUTGROUNDNC2 73 64 5OUTPUT 2NCGROUNDOUTPUT 1INPUTGROUND2358OUTPUT 1OUTPUT 26GNDMSM6927 (24-LEAD FLAT-PACK)9403PAGE 3-13
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