PLL 一拖二VHF無線麥克風(fēng)系統(tǒng)
PLL 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(duì)校園、醫(yī)院等公共場(chǎng)所設(shè)計(jì),系統(tǒng)采用雙頻段設(shè)計(jì),兩個(gè)發(fā)射機(jī)分別工作不同頻段,最多可50套系統(tǒng)同場(chǎng)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(shí), 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: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)
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(dòng)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(shí) 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