第2页共5页目录(Catalog)1应用(APPLICATION).......................................................................42结构规格(MECHANICALSPECIFICATION).........................................43环境条件(ENVIRONMENTALSPECIFICATION)...................................44测试条件(TESTCONDITION).........................................................45电性能(ELECTRICALCHARACTERISTICS)........................................45.1直流特性(DCCHARACTERISTICS)45.2视频特性(VIDEOCHARACTERISTICS)45.3音频特性(AUDIOCHARACTERISTICS)46引脚分布及频道表(PINASSIGNMENT CHANNELTABLE)............57发射应用电路(TXAPPLICATIONCIRCUIT).......................................6TX24017第3页共5页1应用1.1此规格书用于带声音载频信号处理的视频-射频调制器(ThisspecificationappliestoVIDEO-RFmodulatorwithsoundsubcarrierprocessingsignals).1.2RF传输频道频率(transmissionfrequencygroup):Ch1 2414MHzCh2 2432MHzCh3 2450MHzCh4 2468MHz1.3调制类型(Modulationtype):FM2结构规格书(MechanicalSpecification)TX24017PleaserefertoFigure1.3环境条件(EnvironmentalSpecification)3.1工作温度(Temperature)-10℃~+60℃4测试条件(TestCondition)4.1周边环境温度(Ambienttemperature):25℃4.2视频输入电压(Videoinputvoltage):1.0Vp-p,150(IRE)4.3音频输入电压(Audioinputvoltage):1.0Vp-p正弦波信号(sinewavesignal)1KHz5电特性(ElectricalCharacteristics)规格(Specifications)序号No.项目Item最小Min.典型Typ.最大Max.单位Unit测试条件TestCondition5.1直流特性(DCCharacteristics)1电源电压(SupplyVoltage)5VVDC2电流(CurrentConsumption)90100mA5.2视频特性(VideoCharacteristics)1输入阻抗(InputImpedance)75 2峰值频偏(PeakDeviation)1.2MHz调制源(MOD):正弦波(sinewave)400KHz1Vp-p5.3音频特性(AudioCharacteristics)1输入阻抗(InputImpedance)10K 2峰值频偏(PeakDeviation)12KHz1Vp-p(1KHz)3预加重(Pre-emphasis)50 sec5.4RF输出特性(OutputCharacteristic)1发射功率(TxPower)17.51819dBm2音频载波电平(AudiosubcarrierLevel)-23-25-27dBcA/V比(VideoandAudioIndex)3音频载波频率范围(AudioSubcarrierFreq.NCY)647065006530KHzTX24017第4页共5页6引脚分布(PinAssignment)J1PinNo.Function1音频(Audio)2视频(Video)3电源Vcc(DC+5V)4GNDJ2PinNo.Function1GND2CH1:频道2.414GHz3CH2:频道2.432GHz4CH3:频道2.450GHz频道表(CHANNELTABLE)频道(CHANNEL)J2-PIN2J2-PIN3J2-PIN4CH1:2.414GHz011CH2:2.432GHz101CH3:2.450GHz110CH4:2.468GHz111