Alinco_DJ-160_频率调制校准手册

ADJUSTMENT (DJ-160T/E)1.Transmitting Unit (DJ-160T)1.ItemAdjustment PointAdjustment MethodSpec1.FrequencyTC304(RF PCB)Set the unit in the transmission mode at 146.03MHz and14603MHz±50Hz1adjustmentadjustment TC304.(Transceiver tester,counter)2.TX PowerVR301(RF PCB)Adjustment VR301 so that TX power becomes 3W at3.0W±0.1Wadjustment(Hi Power)14603MHzVR302(RF PCB)Adjustment VR302 so that TX power becomes 300mW at300mW±50nwW(Lo Power)14603MH23.Modulation degreeVR204IFP℃B)Input a signal of 1kHz/50m into The Mic jack4.8kHz±0.1kHz3adjustmenttransmitting at 146.03MHz and adjust VR204 so that youobtain 4.7kHz/Dev in the transmission mode.4.Subaudible toneVR203 (IF PCB)Adjust 88.5kHz by VR203 so that you obtain 800Hz/Dev.800Hz±100Hz4.5.OTMF.VR205 (IF PCB)Push in the transmission mode and adjust VR203 so31kHz±0.1KHzthat you obtain 3.1kHz/Dev.512.Receiving Unit (DJ-160T)2.ReitemAdjustment PointAdjustment MethodSpec1.VCO P/D VoltageL106 (VCO)Adjust L106 so that P/D voltage is 2.0V at 146.03MHz2.0W1.0adjustment(DC Voltmeter)in the transmission modead2.Detection CoilL202 (IF PCB)input 1kHz,35kHz/Dev.+66dBg at 146.05MHz and2.Deadjustmentadjust L202 so that detection power becomes maximum.ad3.VHF FRONT ENDL306,308,309,At 146.03MHz and adjust L306,L308,L309,TC305,L311,under -9dBu3.VHadjustmentTC305.311,L312and L312,so that 12dB SINAD sensitivity becomesadj(RF PCB)maximum.4.S-melerVR202(IF PCB)Input a signal of 17dBu from transceiver tester at17dBμ±1dBr4.S-madjustment145.03MHz Turn VR202 so that Full-bar begins to tight.adj9-