Dsb-ssb Amplitude Modem Trainer

DSB-SSB Amplitude Modulation And Demodulation Trainer Omega Type ETB-232
OMEGA TYPE ETB- 232 DSB/ SSB Amplitude Modulation & Demodulation 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 11.25" X 15.25".OBJECT

Study of1. Amplitude Modulation & Demodulation.2. DSB-SC Amplitude Modulation & Demodulation.3. SSB-SC Amplitude Modulation & Demodulation

FEATURE 

The board consists of the following built-in parts:



POWER SUPPLY
12DC and +5V DC IC Regulated power supply.


AF Modulating signal generatorFrequency RangeAmplitude
Sine wave300 Hz to 3.4 KHz0 to 5 Vpp.


RF carrier signal generatorFrequency RangeAmplitude
100 KHz to 1 MHz.0 to 10 Vpp.


Variable DC power supply to see the effect of DC on the output waveform

- 5 to + 5 VDC



Modulator Type
Balanced modulator


Demodulator
Diode detectorProduct detectorLow pass filter


Power supply requirement
230V AC, 50 Hz..


Local Oscillator
420 KHz to 480 KHz.


Ceramic Band Pass Filter
452 KHz to 458 KHz.


Mains ON/ OFF switch, fuse and jewel light.


Dynamic Microphone with 4mm Jack Pin.


Audio Output amplifier with Volume Control.


Input Audio amplifier with Volume Control for modulating external signal from Mike or Tape recorder.


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 References.



OTHER APPARATUS REQUIRED


Cathode Ray Oscilloscope 20MHz.