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CM-U28 专业无线UHF红外线对频拖二会议

  • 中性U28UHF拖二会议
产品描述: 系统: System:射频范围:620-950MHzRadio frequency range :620-950MHz调制方式:FM调频 Modulation Mode: FM FM可用宽带:每通道
产品询盘
系统:                                       System: 
射频范围:620-950MHz                         Radio frequency range :620-950MHz 
调制方式:FM调频                            Modulation Mode: FM FM 
可用宽带:每通道30MHz                       Available broadband: per channel 25MHz 
信道数目:红外线自动对频200信道               Number of channels: infrared frequency of 200 channels 
频率稳定度:±45KHz                           Frequency stability: ± 45KHz 
音频响应:60Hz-18KHz(±3dB)                Audio response: 60Hz-18KHz (± 3dB) 
综合信噪比:>105dB                           SNR:> 105dB 
综合失真:<0.5%                              THD: <0.5% 
 
接收机指标:                                   Receiver Specifications: 
接收机方式:二次变频超外差                     Receiver: double-conversion superheterodyne 
中频频率:第一中频:100MHz                    IF Frequency: 1st IF: 100MHz 
      第二中频:10.7MHz                    IF: 10.7MHz 
无线接口:BNC座                               Wireless interface: BNC socket 
灵敏度:12dB(80dB S/N)                        Sensitivity: 12dB (80dB S / N) 
静噪门限:0-40dB                                Squelch threshold 0-40dB 
杂散抑制:>80dB                                Spurious Rejection:> 80dB 
音频输出:非平衡:+4dB(1.25V)/5 KΩ            Audio Output: Unbalanced: +4 dB (1.25V) / 5 KΩ 
平衡:+10dB(2.5V)/600Ω                        Balance: +10 dB (2.5V) / 600Ω 
供电电压:DC11-16V(rated12V)                  Supply voltage: DC11-16V (rated12V) 
电流:单接收,小于200mA;                     Current: single receiver, less than 200mA; 
      双接收,小于350 mA                         Dual receiver, less than 350 mA 
 
发射机指标:                                     Transmitter indicator: 
输出功率:10mW-3mW(HI/LO转换)              Output power: 10mW-3mW (HI / LO conversion) 
杂散抑制:-60dB                                 Spurious Rejection:-60dB 
供电:AAx2                                      Power supply: AAx2 
电流:<110 mA(HF)<80mA(LF)              Current: <110 mA (HF) <80mA (LF) 
  
 
 
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