PLL 專業(yè)UHF固定頻無(wú)線麥克風(fēng)系統(tǒng)
PLL UHF Fixed Frequency Wireless Microphone



系統(tǒng)功能特點(diǎn) FUNCTIONAL FEATURES
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-selectedfrequency 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) 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
■ 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)