KG-UV6D_Service_Manual维修手册含电器原理图

Service ManualBrand:WOUXUNMoel:KG-UV6DFrequency:136-174/400-480MHz“回南花.每西中年回酸西程南宿轻西口回含京酵回尚9。回回厚南FrequencyConstituteThe transceiver uses twice frequency conversion,the first IF is 29.250MHz,and the secondIF is 450MHz.The first local oscillations signal is supplied by PLL circuit,which producesthe necessary transmitting frequency.(See PIC 1)29.250MHz450KHz1st MIXMCFCFRFAMPSWSPMIX,IFAFDETAMPFINALDRIVEPREDRIVEVCO⑧28.8MHz1st MIXANTRFX2TCXOAMP14.4MHzMICPLLMICFINALPREcoVCOAMPDRIVEPIC1