UK-770
真分集无线话筒系列：
可选配无线手执话筒、无线头戴话筒、无线领夹话筒
应用PLL频率合成锁相环技术，频率可调，可同时使用多套，不受干扰。先进的集成中央处理器CPU总控制系统，配合数字液晶界面显示。红外对频，操作方便，性能出众。采用多级窄带高频选频滤波，充分消除干扰信号。采用音频压缩扩展技术，噪音大大减少，动态范围加大。
Application of PLL phase-locked loop frequency synthesis technology, frequency is adju sta ble, can be used at the same time,without interfe rence. The integration of advanced. The central processor CPU total control system, with digital LCD display interface. Infrared frequency, convenient operation, superior performance. Using multiple narrowband frequency selective filter, fully eliminate the interference signal. Using audio compression extension tech nology,g reatly reduce noise, dynamic range.
接收机参数 [ RECEIVER]
频率范围Frequency range.........................................740-790MHz
可调信道数Adjustable number of channel.............200
震荡方式Vibration mode............................................锁相环(PLL)频率合成
频率稳定性F requen cy Stability..............................+10ppm
接收方式The receiving mode...................................超外差二次变频
接收灵敏度Receiver sensitivity................................-95dBm
音频频响Audio Frequency Response....................40--18KHz
失真度Distortion.........................................................≤0.5%
信噪比Signal to Noise Ratio....................................≥110dB
音频输出Audio output................................................(XLR)卡隆座独立平衡输出和
................................................∅6.3mm不平衡输出
电源规格Power supply..............................................220V 50Hz或110V 60Hz
发射机参数 [TRANSMITTER】
频率范围Frequency range........................................740-790MHz
可调信道数Adjustable number of channels..........200
震荡方式Vibration mode...........................................锁相环(PLL)频率合成
频率稳定性Frequency Stability.................................+10ppm
调制方式Modulation...................................................调频
射频功率RF Dower....................................................10--30mW
音频频响Audio Frequency Response....................40--18KHz
失真度Distortion.........................................................≤0.5%
电池规格Battery..........................................................2x1.5V AA Size
电池寿命Battery Life...................................................8—1 5小时
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