DSB/SSB AMPLITUDE MODULATION (AM) TRANSMITTER TRAINER

DSB/SSB AMPLITUDE MODULATION (AM) TRANSMITTER TRAINER

Product Details:

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Product Description

DSB/SSBAMPLITUDE MODULATION (AM) TRANSMITTER TRAINER

Audio Oscillator (Sine Wave Generator) with variablefrequency & amplitude  :

Frequency range: 300 Hz to 3.4 KHz (100 Hz to 10KHzOPTIONAL)

 SALIENTFEATURES

On board variable frequency audio oscillator,carrier frequency generator, DSB & SSB modulator, Band passes filter, Audio& RF amplifiers

On board variable frequency audio oscillator,carrier frequency generator, DSB& SSB modulator, Band passes filter, Audio& RF amplifiers

Onboard Test Points & Fault Switches

On board audio jacks provided for Microphone andEarphone connection

Onboard speaker provided for Audio

Onboard Transmitting antenna

TECHNICALSPECIFICATIONS

ReceiverPrinciple: Superheterodyne

Frequencyrange: 525 KHz to 1625 KHz

OptionalFrequency: 400 KHz to 1.5 M

IntermediateFrequency: 455 KHz

Inputs:RF Signal

Output:IF frequency 455 KHz adjustable

RFAmplifier with variable gain
Mixer (Frequency converter)
: I/P : Local Oscillator & RFO/P frequency: 455 KHz adjust.

LocalOscillator: Output signal: Sine wave for local Osc. InputFrequency: From 900 KHz to

2.2 MHz gang tuned, Amplitude: Adjustable from 0 -2V p-p, Output Impedance: 50 Ohms

Ist IF & IInd IF Amplifier: Central frequency:455 KHz, Load Impedance: Variable R-L-C

Gain:Automatic Gain Control, Gain 1-43 dB & Gain 2-47dB

DiodeEnvelope Detector: Detection of the positive and negativeenvelope with variable R-C filter DSB

ProductDetector: Operating frequency: Adjustable from 400 KHz to 500KHz

SSBInput Amplitude: 1 Volt p-p

AudioOutput: Amplifier with Headphone, Audio Amplifier Gain: 20dB

FaultSwitches: 8 nos. through 8 way DIP switch fortroubleshooting at different blocks

TestPoints: More than 30

ReceivingMedia: MV Coil antenna & via cable

Cabinet:Enclosed in ABS plastic cabinet with detachable cover

Power:220V AC ±10%, 50/60Hz

Accessories:Patch Cords, User manual

LISTOF EXPERIMENTS

Study of carrier frequency generation

Study of Balance Modulator and Band Pass Filter forDSB AM Generation

Study of Balanced Modulator and Ceramic Band PassFilter for SSB AM Generation

Study of tuned amplifier for AM transmission

 

 


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