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PLL 一拖二VHF无线麦克风系统
PLL Fixed Frequency Wireless Microphone






UHF双通道系列;采用石英晶体震荡方式,抗干扰强,频率500~860MHz可预先选择。针对校园、医院等公共场所设计,系统采用双频段设计,两个发射机分别工作不同频段,最多可50套系统同场使用。
UHF dual-channel series, with the oscillation mode of quartz crystal, strong anti-interference, pre-selected frequency between 500 ~ 860 MHZ. With two transmitters in different frequency, up to 50 unit working at the same site; design for place like family and campus.
接收机技术参数
■载波频率范围:UHF 500~860MHz
■频率响应范围:60Hz~15KHz±3dB
■振荡方式:石英晶体
■灵敏度:在偏移度等于25KHz,输入6dB V时, S/N>60dB
■频带宽度:32MHz
■最大偏移度:±45KHZ
■频率稳定度:±0.005%
■综合THD:<0.4%@1KHz
■使用距离:一般80米(空旷地方)
Receiver Specification
■ Frequency Range:UHF500~860MHz
■ Response Frequency Range: 60Hz~15KHz±3dB
■ Oscillation mode: Quartz Crystal
■ Sensitivity:Frequency Deviation=25KHz, input 6dB V, S/N>60dB
■ Frequency Width:32 MHz
■ Maximum Deviation: ±45KHZ
■ Frequency Stability: ±0.005%
■ THD:<0.4%@1KHz
■ Working Range:80Meters( in open area)
发射机技术参数 ■载波频率范围:UHF 500~860MHz ■振荡方式:石英晶体 ■谐波辐射:<-63dBm ■频带宽度:32MHz ■最大偏移度:±45KHZ ■音头:动圈式,心型指向性 ■RF功率输出:10mW ■电池:AA*2 ■电流消耗:85mA(典型) ■电池寿命:8小时 Transmitter Specification ■ Frequency Range: UHF500~860MHz ■ Oscillation mode: Quartz Crystal ■ Harmonic Radiation: <-63dBm ■ Frequency Width:32 MHz ■ Maximum Deviation: ±45KHZ ■ Capsule: Dynamic, Directional&Cardioid Microphone ■ RF Power Output:10mW ■ Battery: AA*2 ■ Current Consumption:85mA(Typical) ■ Battery Life: About 8 Hours
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