Communication Trainer

Math Lab
Communication Trainer

Showing 1–10 of 17 results

    AMPLITUDE SHIFT KEY MODULATION AND DEMODULATION
    Product Code - KS0002025

    Object:To study the generation of the Amplitude Shift Key output and also to demodulate the ASK output.Fe....

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    AMPLITUDE SHIFT KEY MODULATION AND DEMODULATION

    Object:To study the generation of the Amplitude Shift Key output and also to demodulate the ASK output.Features:The board consists of the following built-in parts:± 12V D.C. at 50mA, IC regulated power supply internally connected.± 5V D.C. at 50mA, IC regulated power supply internally connected.Clock Generator 200Hz to 15KHz.8 Bit Word Generator.Logic Selection switches for high / low (9Nos).Binary Counter (Divided by 16 counter).Carrier Signal Generator 40 to 100KHz.Amplitude Shift Key (ASK) Modulator.Amplitude Shift Key (ASK) Demodulator.Mains ON/OFF switch, fuse and jewel lightThe unit is operative on 230V ±10% at 50Hz A.C. MainsAdequate no. of patch cords stackable 4mm spring loaded plug length ½ meterGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Cathode Ray Oscilloscope 20MHz

    ANALOG SIGNAL SAMPLING AND RECONSTRUCTION
    Product Code - KS0002030

    Object:To study Sampling Theorem using Pulse Amplitude Modulation and DemodulationTo generate PAM signal ....

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    ANALOG SIGNAL SAMPLING AND RECONSTRUCTION

    Object:To study Sampling Theorem using Pulse Amplitude Modulation and DemodulationTo generate PAM signal by modulating with audio signal by natural samplingTo generate PAM signal by modulating with audio signal by Flat-Top samplingTo generate PAM signal by modulating with audio signal by Sample / Hold circuitTo demodulate using Low Pass Filter to reconstruct input(sine wave)Features:The board consists of following built in parts:±15V D.C. at 100mA, IC Regulated Power Supply+5V D.C. at 100mA, IC Regulated Power supplyA.F. signal generator for modulating signalSampling clock generator to provide sampling clock and gate pulseModulator circuit for Flat-top natural and S/H circuitDemodulator circuit to reconstruct input (sinewave)Mains ON/OFF switch, Fuse and Jewel lightAdequate no. of patch cords stackable 4mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Dual Scope Cathode Ray Oscilloscope 20MHz

    DELTA MODULATION AND DEMODULATION
    Product Code - KS0002026

    Object: To study delta modulation and demodulation.Features:The board consists of the following built-in ....

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    DELTA MODULATION AND DEMODULATION

    Object: To study delta modulation and demodulation.Features:The board consists of the following built-in parts :5V D.C. at 100mA IC regulated power supply internally connected±12V D.C. at 100mA IC regulated power supply internally connectedQuad Op-Amp ICTwo Up/Down counter ICDigital to Analog convertor DAC ICQuad two input NAND gate ICTimer ICCooperator ICPotentiometer for varying amplitude of modulating signalMains ON/OFF switch, fuse and jewel lightThe unit is operative on 230V ±10% at 50Hz A.C. MainsAdequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesWeight : 3 Kg. (Approx.)Dimension : W 340 x H 110 x D 210Other Apparatus Required:Cathode Ray Oscilloscope 20MHz

    DIFFERENTIAL PHASE SHIFT KEYING MODULATION AND DEMODULATION
    Product Code - KS0002032

    Features:The board consists of the following built-in parts :± 5V D.C. at 100mA IC regulated Power Suppl....

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    DIFFERENTIAL PHASE SHIFT KEYING MODULATION AND DEMODULATION

    Features:The board consists of the following built-in parts :± 5V D.C. at 100mA IC regulated Power Supply internally connectedIC-1 for generating DPSK (Differential Phase Shift Keying) signalIC-5 for generating Carrier signalsIC-2A for generating Bit ClockIC-6 for generating different DatasIC-2 B & C, IC-3 C & D, IC-4 D-FF2 and Transistor 2, 3 & 4 are used as DemodulatorAdequate no. of other electronic componentsMains ON/OFF switch, fuse and jewel lightThe unit is operative on 230V ±10% at 50Hz A.C. MainsAdequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Dual Trace Cathode Ray Oscilloscope 20MHz

    DIGITAL TIME DIVISION MULTIPLEXING AND DEMULTIPLEXING
    Product Code - KS0002028

    Object: To study Digital Time Division Multiplexing & DemultiplexingFeatures:The board consists of the fo....

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    DIGITAL TIME DIVISION MULTIPLEXING AND DEMULTIPLEXING

    Object: To study Digital Time Division Multiplexing & DemultiplexingFeatures:The board consists of the following built-in parts :± 5V D.C. at 100mA IC regulated power supply internally connected8 : 1 Multiplexer1 : 8 Demultiplexer8 bit Data GeneratorClock & Address GeneratorMains ON/OFF switch, fuse and jewel lightThe unit is operative on 230V ±10% at 50Hz A.C. MainsAdequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Dual Trace Cathode Ray Oscilloscope 20MHz

    DSB AND SSB AM RECEIVER TRAINER
    Product Code - KS0002034

    Object:Study of DSB & SSB AM reception & deletion by diode / product detectorsStudy of AGCStudy of receiv....

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    DSB AND SSB AM RECEIVER TRAINER

    Object:Study of DSB & SSB AM reception & deletion by diode / product detectorsStudy of AGCStudy of receiver tuned circuitsStudy of Sensitivity, Selectivity & Fidelity of ReceiverExperiments:Study of double sideband AM reception using envelope detector via cable.Study of double sideband AM reception using envelope detector via Antenna.Study of sensitivity, selectivity, of a radio receiver.Study of single sideband AM reception using product detector.Study of Image frequencies.Voice transmission with DSB AM transmission / reception.Feature:The board consists of the following built-in parts:POWER SUPPLY : ± 12DC and +5V DC IC Regulated power supplyDetectors/Demodulator:Diode Detector (For DSB)Product Detector (For SSB)Frequency Range : 980KHz to 1650 KHzIntermediate frequency : 455 KHzInput Circuits:RF AmplifierMixer1st Amplifier2nd AmplifierLocal oscillatorEnvelope Detector (AGC)Switch FaultProduct DetectorIC Regulated Power SupplyBeat frequency oscillator / 455 KHz Crystal oscillatorOutput Audio AmplifierReceiving media : Telescopic Antenna / cableTuning : with variable capacitorSwitched faults : 8NosTest points : 50Power supply requirement : 230V AC, 50 HzMains ON/OFF switch, fuse and LEDAudio Output amplifier with Volume ControlLoud Speaker with baffle fitted in a box with two metre wire and 2mm Banana pins for connectionsAdequate no. of patch cords stackable from rear both ends 2mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design Procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Cathode Ray Oscilloscope 20MHz.

    DSB AND SSB AM TRANSMITTER TRAINER
    Product Code - KS0002033

    Object:Study of carrier frequency generationStudy of DSB / SSB AM Generation & TransmissionStudy of Trans....

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    DSB AND SSB AM TRANSMITTER TRAINER

    Object:Study of carrier frequency generationStudy of DSB / SSB AM Generation & TransmissionStudy of Transmitter tuned circuitsSpecification:The board consists of the following built-in parts:AF Modulating signal generator : Sine waveFrequency Range : 300 Hz to 3.4 KHzAmplitude : 0 to 5 VppRF carrier signal oscillator :Frequency Range : 100 KHz to 1 MhzAmplitude : 0 to 10 VppModulators (Two Nos) : Double Balanced Amplitude modulatorCeramic Band Pass Filter : 452 KHz to 458 KHzBand Pass Filter : 1 NoSwitch faults : 8 NosPOWER SUPPLY : ± 12DC and +5V DC IC Regulated power supplyTest points : 27 NosBFO Oscillator : 455 KHzInput Audio amplifier with Volume Control for modulating external signal from Mike or Tape recorderOutput Amplifier Transmitter : ( Gain adjustable) DSB (1MHz), SSB (1.445 MHz) connected to Antenna/cableMains ON/OFF switch, fuse and jewel lightPower supply requirement 230V AC, 50 HzDynamic Microphone with 4mm Jack PinGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design Procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Cathode Ray Oscilloscope of 20MHz

    DSB AND SSB-SC AMPLITUDE MODULATION AND DEMODULATION TRAINER
    Product Code - KS0002018

    Trainer has been designed with a view to provide practical and experimental knowledge of Amplitude Modula....

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    DSB AND SSB-SC AMPLITUDE MODULATION AND DEMODULATION TRAINER

    Trainer has been designed with a view to provide practical and experimental knowledge of Amplitude Modulation / Demodulation technique as practically implemented in Analog Communication system on a SINGLE P.C.B. of size 300 x 400mm.Object: To Study ofAmplitude Modulation & Demodulation:Generate AM signal by modulation with audio signal generatorMeasure modulation index of A.M. signalDemodulate AM signal using diode detector(envelope detector)Generate voice signal AM modulation and demodulation using Mic.Observe the effect of DC signal input on AM outputDemodulate AM signal by square law detectionDSB-SC Amplitude Modulation & Demodulation:Generate DSB-SC AM signalDemodulate DSB-SC signal using product detectorSSB-SC Amplitude Modulation & Demodulation:Generate SSB-SC AM signalDemodulate SSB-SC signal using product detectorFeature:The board consists of the following built-in parts:IC REGULATED POWER SUPPLY : ± 15 DC and +5V DC at 100mA.AF Modulation signal generator : Sine waveFrequency Range : 300 Hz to 3.4 KHzAmplitude : 0 to 5 Vpp.RF carrier signal oscillator.Frequency Range : 100 KHz to 1 MHz.Amplitude : 0 to 10 Vpp.Local Oscillator : 400 KHz to 500 KHz.Band Pass Filter : 452 KHz to 458 KHz.DC Source Variable power supply to see the effect of DC on the output waveform: – 5 to + 5 VDCOutput Audio amplifier with Volume Control.Input Audio amplifier for modulating external signal from Mike or Tape recorder.Double Balanced Amplitude modulatorDiode detector.Product detectorLow pass filter.Power supply requirement 230V AC, 50 Hz.Mains ON/OFF switch, fuse and jewel light.Dynamic Microphone with 4mm Jack Pin.Loud Speaker with baffle fitted in a box with two metre wire and 2mm Banana pins for connections.Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms.Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design Procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Cathode Ray Oscilloscope 20MHz

    FREQUENCY MODULATION AND DEMODULATION TRAINER
    Product Code - KS0002019

    FM Transmitter and Receiver Trainer has been designed with a view to provide practical and experimental k....

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    FREQUENCY MODULATION AND DEMODULATION TRAINER

    FM Transmitter and Receiver Trainer has been designed with a view to provide practical and experimental knowledge of Frequency Modulation & Demodulation Trainer technique as practically implemented in Analog Communication system on a SINGLE P.C.B. of size 300 x 400 mm.Object: To Study Theory of Frequency Modulation & Demodulation:Frequency Modulation via varactor / reactance ModulationFrequency Demodulation via Detuned Resonant/Ratio/Quadrature/Foster – Seeley/Phase locked loop detectorSeparate VCO circuit to demonstrate FM waveformFeature:The board consists of the following built-in parts:POWER SUPPLY : ± 12DC IC Regulated power supplyFM Modulating signal generator : Sine waveFrequency Range : 300 Hz to 3.4 KhzAmplitude Range : 0 to 5 Vpp.Modulator Type : Varactor modulator (With carrier frequency adjustment) : Reactance Modulator (With carrier frequency adjustment)Demodulator (Detuned resonant detector) : Quadrature detectorFoster – Seeley DetectorRatio DetectorPhase locked loop DetectorMixer/Amplifier : 1 No. (With gain adjustment) Allows FM input signal to be amplitude modulated by a noise input to demodulation.Low pass Filter : 3.4 KHz. Cut of frequency Amplifier (with adjustable gain)VCO Circuit : FM Wave form demonstrateTest Point : 78Power supply requirement : 230V AC, 50 Hz.On Board Switched Faults : 8 Nos.On Board Amplitude limiter with Amplitude control.Input – Output and Test points provided on board.A self contained Trainer.Effect of noise on the detection of FM signal may be investigated.Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms.Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.Weight : 6 Kg. (Approx.)Dimension : W 412 x H 150 x D 310Other Apparatus Required:Cathode Ray Oscilloscope 20MHz.Patch Cords

    FREQUENCY SHIFT KEYING MODULATION AND DEMODULATION
    Product Code - KS0002023

    Object: To study the generation of the Frequency Shift Keyed output and also to demodulate the FSK output....

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    FREQUENCY SHIFT KEYING MODULATION AND DEMODULATION

    Object: To study the generation of the Frequency Shift Keyed output and also to demodulate the FSK outputSpecial Features:The board consists of the following built-in parts :± 12V D.C. at 20mA IC regulated power supply internally connected5V D.C. at 100mA IC regulated power supply internally connectedQuad Op-amp ICDecade counter ICTimer IC4-Bit Binary counter ICQuad 2-input Nand gate ICTwo potentiometers for varying the FSK input and demodulator adjustAdequate no. of other electronic componentsMains ON/OFF switch, fuse and jewel lightThe unit is operative on 230V ±10% at 50Hz A.C. MainsAdequate no. of patch cords stackable 4mm spring loaded plug length ½ metreGood Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveformsStrongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book ReferencesOther Apparatus Required:Cathode Ray Oscilloscope 20MHz