一拖二VHF無線麥克風(fēng)系統(tǒng)
Fixed Frequency Wireless Microphone
UHF雙通道系列;采用石英晶體震蕩方式,抗干擾強(qiáng),頻率500~860MHz可預(yù)先選擇。針對校園、醫(yī)院等公共場所設(shè)計,系統(tǒng)采用雙頻段設(shè)計,兩個發(fā)射機(jī)分別工作不同頻段,最多可50套系統(tǒng)同場使用。
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.
接收機(jī)技術(shù)參數(shù)
■載波頻率范圍:UHF 500~860MHz
■頻率響應(yīng)范圍:60Hz~15KHz±3dB
■振蕩方式:石英晶體
■靈敏度:在偏移度等于25KHz,輸入6dB V時, S/N>60dB
■頻帶寬度:32MHz
■最大偏移度:±45KHZ
■頻率穩(wěn)定度:±0.005%
■綜合THD:<0.4%@1KHz
■使用距離:一般80米(空曠地方)
Receiver Specification
■ Frequency Range: UHF 500~860MHz
■ 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: 80 Meters( in open area)
發(fā)射機(jī)技術(shù)參數(shù)
■載波頻率范圍:UHF 500~860MHz
■振蕩方式:石英晶體
■諧波輻射:<-63dBm
■頻帶寬度:32MHz
■最大偏移度:±45KHZ
■音頭:動圈式,心型指向性
■RF功率輸出:10mW
■電池:AA*2
■電流消耗:85mA(典型)
■電池壽命:8小時
Transmitter Specification
■ Frequency Range: UHF 500~860MHz
■ 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