日本LEVEAR乐声信号发生器信号源检测设备VP-8195L
适合搭载M/FM收音机的汽车音响、便携式音响等生产线使用。RF输出频率范围为100kHz~165MHz(连续),是不损害以往操作性、测量功能的设计信号发生器。VP-8195LAM/FM信号発生器VP-8196LAM/FM信号発生器******能AM/FM收音机、搭载调谐器的汽车导航系统、汽车音响、便携式音响、家庭音响设备等检查用信号源。RFcarrierfrequencyFrequencyrange100kHzto165MHzResolution100HzAccuracy±5×10-6Temperaturecoefficient±5×10-6(10℃to35℃)RFcarrieroutputLevelrange-20dBμVto126dBμV[emf]-133dBmto13dBm(50Ω)-134.8dBmto11.2dBm(75Ω)Resolution0.1dBAccuracy±1.5dB(≧0dBμV[emf],50Ω)±2dB(<0dBμV[emf],50Ω)Outputimpedance50Ω/75ΩVSWR≦1.3(≦101dBμV[emf],50Ω)Attenuatorc***tructionSemiconductor(Except109.0to109.1dBpoints)Attenuatorc***tructionSemiconductor(Except109.0to109.1dBpoints)RFcarriersignalpurityHarmonicspurious≦-50dBc(fc>45MHz,except120MHzelement)≦-40dBc(fc≦45MHz,fs≦45MHz)≦-30dBc(fc≦45MHz,fs>45MHz)ResidualFM≧76dB(9.7to11.7MHz/76to108MHz)≧73dB(0.3to165MHz)Mod.AF1kHz,FM75kHzDemod.BW50Hzto15kHz,De-emphasis50μsExceptbeatelementResidualAM≧55dB(0.4to1.7MHz)≧50dB(0.15to165MHz)Mod.AF1kHz,AM30%Demod.BW50Hzto15kHz,Exceptbeatelement)