供应SmtarST-250ST-250UHF无线麦克风

接收机参数 RECEIVER 接收频率Frequency Ranges.....................................UHF740-790MHz 频率稳定度Frequency Stability .........................................±0.002%（用优于15ppm石英晶体锁定） 灵敏度Sensitivity（peak deviation）..................................10μV 鄰道幹擾比F/N Ratio..................................................>8odB 鏡像干擾比P/N Ratio..................................................>80dB 信噪比S/N Ratio......................................................>90dB 音频输出AF Output Voltage（at peak deviation 1kHz AF out） .............................................................可调0 ~ 300mV 接收频道Channels.......................................................2路 输出接口 Output jack.......................................6.3不平衡混合输出 电源电压Power Supply.....................................DC 12V-1000mA(50Hz) 功耗Power Supply........................................................6W 天线Antenna........................................................外置天线 动能范围Dynamic frequency range......................................>100dB 综合失真T.H.D...........................................................