Amplitude Modulation & Demodulation - ME 741 - MARS
Observe change in the carrier amplitude according
to the amplitude of the modulating signal.
Recovery of modulating signal from demodulator circuit.
In built IC based DC regulated power supply +12V/ 500mA
On board sine wave audio frequency signal generator
Frequency: 1KHz
Amplitude: 0-2Vpp Approx.
On board carrier signal generator
Frequency: 455 KHz
For more details please refer datasheet.
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Frequency Modulation & Demodulation - ME 742 - MARS
Observe change in the carrier frequency
according to the amplitude of the modulating signal.
Calculate modulation index of the modulated signal
Recovery of modulating signal from demodulator circuit.
In built IC based DC regulated power supply +12V/ 250mA
On board sine wave audio frequency signal generator
Frequency: 2 KHz & 4KHz Amplitude: 0-2.8Vpp Approx.
Demodulation circuit using phase locked loop IC LM 565
Weight shock proof plastic cabinet
For more details please refer datasheet.
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Pulse Amplitude Modulation & Demodulation - Me 743 - MARS
Observe flat top samples, natural samples,
sample & hold at different sampling frequencies.
Recovery of modulating signal from demodulator circuit.
In built IC based DC regulated power supply +12V, +5V 300mA
On board sine wave audio frequency signal generator
Frequency: 1 KHz & 2KHz Amplitude: 0-10Vpp & 0-4 Vpp Approx
On board sampling pulse generator
Frequency: 8KHz,16KHz,32KHz, 64KHz
Amplitude: 5Vpp Approx
For more details please refer datasheet.
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Delta Modulation & Demodulation - ME 752 - MARS
Observe the delta modulation & demodulation of
a modulating signal
Output voltage(Regulated): +12V & +5V/300mA (Inbuilt)
Audio frequency:300Hz/0-4V P-P
Carrier frequency:16KHz / 5V P-P Approx.
Housed in PVC cabinet, circuit diagram printed,
connections of various components (IC LM 311, IC 74193
& IC DAC 0800), allimportant outputs & test points
brought at glass epoxy front panel.
For more details please refer datasheet.
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4-Bit Shift Registers - ME 716 - MARS
The instrument has been designed to study:
A.Universal shift register using IC 74194
B.Serial in,Parallel out shift register using IC 7495
C.Parallel in,Parallel out shift register using IC 7495
D.Parallel in,Serial out shift register using IC 7494
E.Serial in,Serial out shift register using IC 7494
Output voltage(Regulated) : 5VDC (Internally connecte
Also provided with patch chords & instruction manual.
For more details please refer datasheet.
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4/8 Bit Analog to Digital Converter - ME 731 - MARS
8 Bit Analog to Digital Converter has been designed
to study and verify the outputs of 8 Bit Analog to
Digital converter.
Inbuilt Variable / Fixed DC Regulated Power Supplies
Output Voltages: 0-5VDC
: 5VDC
: 4VDC
On Board Digital Meter
Voltmeter: 20VDC
For more details please refer datasheet.
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Advance Communication Lab Training Modules - ME771 - MARS
Delta, Adaptive Delta & Delta Sigma Modulation & Demodulation
To study and observe waveforms of Delta, Adaptive
delta, Delta sigma modulation & demodulation circuits.
To study Amplitude overload in delta sigma modulation.
Output voltage (Regulated): +12V DC & 5V DC (Inbuilt)
Sampling clock frequency: 32KHz, 64KHz, 128KHz & 256KHz
: 5V P-PApprox.
Crystal frequency: 4.096MHz
Sine wave generator: 250Hz, 500Hz, 1KHz, 2KHz,
For more details please refer datasheet.
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Advance Communication Lab Training Module - ME 772 - MARS
TDM Pulse Code Modulation Transmitter
Observe Pulse Code Modulation, Analog to
Digital Convertor parallel to serial data
conversion, Time Division Multiplexing of
PCM data & Error check codes
Output voltage (Regulated): ±12V DC, 5V DC (Inbuilt)
Sine wave generator : 1KHz& 2KHz/0-10VppApprox.
Variable DC level : + 5VDC(2Nos.)
Crystal frequency : 12MHz
For more details please refer datasheet.
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Advance Communication Lab Training Module - ME 774 - MARS
Data Formatting & Carrier Modulation Transmitter
Conversion of NRZ data to other data formats NRZ
(L), NRZ(M) RZ, AMI, RB, Biphase (Manchester),
Biphase (MARK), Differentially encoded dibit pair.
To study ASK, FSK, BPSK, DPSK, & QPSK carrier
modulation techniques & their comparison.
Output voltages (Regulated): +12VDC & 5VDC (Inbuilt)
Input : 2 Channel Time Division Multiplexed
Data from ME 772 or ME 780.
For more details please refer datasheet.
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Advance Communication Lab Training Equipment - ME 775 - MARS
Data Reformatting & Carrier Demodulation Receiver
Conversion of different data formats to NRZ data
formats ASK, FSK, BPSK, DPSK, & QPSK carrier
demodulation techniques.
Output voltages (Regulated): ±12VDC, 5VDC (Inbuilt)
Output: 2 Channels TDM Multiplexed data stream
Demodulation: NRZ(M), RZ, AMI, RB, Biphase
(Manchester), Options Biphase (MARK) Differentially
encoded dibit to NRZ (L)
For more details please refer datasheet.
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Advance Communication Lab Training Module - ME 776 - MARS
Analog Signal Sampling & Reconstruction Trainer
Effect on amplitude of reconstructed signal by
varying sampling pulse duty cycle in sample &
sample/hold output.
Aliasing & effect on reconstruction of signal
due to various sampling
frequencies, 2nd & 4th order butterworth filters
comparison & signal sampling and reconstruction
using external sampling input.
For more details please refer datasheet.
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Advance Communication Lab Training Module - ME 781 - MARS
DSB/SSB AM Transmitter Trainer
Study of carrier frequency generation,
DSB & SSBAM Generation and transmission
& transmitter tuned circuit.
Output voltages (Regulated): ±12V, 5V/500mA
Balanced Modulators : 455KHz, 1MHz with band
Audio oscillator : 300Hz~3.4KHz/0-4VP-P
Transmitter amplifier output: DSB (1MHz), SSB
(1.445MHz) (Gain adjustable) connected to cable
For more details please refer datasheet.
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Advance communication Lab Training Module - ME 782 - MARS
DSB/SSB AM Receiver Trainer
Study of DSB & SSB AM reception
& detection by Diode /Product detector.
Study of Sensitivity, Selectivity &
Fedelity of receiver.
Study of Automatic gain control (AGC)
& Receiver tuned circuits.
Output voltage (Regulated): +12VDC (Inbuilt)
Receiving media: Telescopic Antenna/RF Cable
For more details please refer datasheet.
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Advance Communication Lab Training Module - ME 785 - MARS
Transmission Line Trainer
Measurement of stationary wave, line
properties & line Attenuation.
Measurement with matched, short, open
end of the line in pulsed condition,
Frequency char. & input impedance of the Line.
Phase shift along the line & Fault localization
within the line.
Transmission Line Coaxial cable: 100m (25 x 4)
Impedance Matching Resistance: 0-1002, 2 Nos.
For more details please refer datasheet.
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