1:應(yīng)用 1.1此規(guī)格書用于帶聲音載頻信號處理的視頻-射頻調(diào)制器(ThisspecificationappliestoVIDEO-RFmodulatorwithsoundsubcarrierprocessingsignals).1.2RF傳輸頻道頻率(transmissionfrequencygroup):Ch1 2414MHz Ch2 2432MHz Ch3 2450MHz Ch4 2468MHz 1.3調(diào)制類型(Modulationtype):FM2:結(jié)構(gòu)規(guī)格書(MechanicalSpecification)MM100TPleaserefertoFigure1.3:環(huán)境條件(EnvironmentalSpecification)3.1工作溫度(Temperature)-10℃~+60℃4:測試條件(TestCondition)4.1周邊環(huán)境溫度(Ambienttemperature):25℃4.2視頻輸入電壓(Videoinputvoltage):1.0Vp-p,150(IRE)4.3音頻輸入電壓(Audioinputvoltage):1.0Vp-p正弦波信號(sinewavesignal)1KHz5:電特性(ElectricalCharacteristics) 序號No.項目Item規(guī)格(Specifications)單位Unit測試條件TestCondition最小Min.典型Typ.最大Max.5.1直流特性(DCCharacteristics)1電源電壓(SupplyVoltage) 5V VDC 2電流(CurrentConsumption) 90100mA 5.2視頻特性(VideoCharacteristics)1輸入阻抗(InputImpedance) 75 2峰值頻偏(PeakDeviation) 1.2 MHz調(diào)制源(MOD):正弦波(sinewave)400KHz1Vp-p5.3音頻特性(AudioCharacteristics)1輸入阻抗(InputImpedance) 10 K 2峰值頻偏(PeakDeviation) 12 KHz1Vp-p(1KHz)3預(yù)加重(Pre-emphasis) 50 sec 5.4RF輸出特性(OutputCharacteristic)1發(fā)射功率(TxPower)17.51819dBm 2音頻載波電平(AudiosubcarrierLevel)-23-25-27dBcA/V比(VideoandAudioIndex)3音頻載波頻率范圍(AudioSubcarrierFreq.NCY)647065006530KHz 6:引腳分布(PinAssignment)J1PinNo.Function1 音頻(Audio)2 視頻(Video) 3 電源Vcc(DC+5V) 4 GND J2PinNo.Function1 GND 2 CH1:頻道2.414GHz 3 CH2:頻道2.432GHz 4 CH3:頻道2.450GHz 頻道表(CHANNELTABLE)頻道(CHANNEL)J2-PIN2J2-PIN3J2-PIN4 CH1:2.414GHz011CH2:2.432GHz101CH3:2.450GHz110CH4:2.468GHz111