Tait TP9100 Service Manual
Also see for TP9100: User guideProduct safety and compliance informationUser guideService manualManual
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TP9100 Service Manual Description 35© Tait Electronics Limited May 2005Figure 2.6 Transceiver operation in analog modeDigitalDown-converterSquelchFrontEnd1stIFChannelLPFRSSISecond LOUHF: 90.328 MHzVHF: 42.928 MHzFMDemodQuadDemodRXAGCAudioFilteringDe-emphasisOptionalProcessingData and SignalingDecodersSideTonesAudioPAPhaselocked toTCXOLPFMag.PLLFrequencyControlTriple-pointEqualizationAudioFilteringPre-emphasisOptionalProcessingData and SignalingEncodersALCCurrentSensingPA Drv/ExPwrCtrlRampControlTCXO:13.000 MHzVCO*VCXOBiasCustomLogicHardwareHardwareDSPMicFGALoopFilterVolumeControlMicPGAChannelLPFLoopFilterIF:UHF: 45.1 MHzVHF: 21.4 MHz2nd IF:64 kHzRxInterfaceRISC ProcessorRISC ProcessorAnalog-to-digital conversionDigital-to-analog conversionSystem interfaceKey Notes(1)(2)VHF configuration shown*For UHF there are separate VCOs for Rx and TxTxInterfaceExternalMicrophoneSpeaker/MicrophoneBufferAccessoryConnectorExternalSpeakerAntennaConnectorAccessoryConnectorFront EndAGCAtte-nuator |
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