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ADCT- 01 BPSK/DPSK & DEPSK MODULATION/DEMODULATION KIT
-
Carrier Sine Wave Generator
- Provides synchronized Sine waveform output of 500KHz(0 deg),
500KHz(180 deg.)
-
Clock And Data Generator
- 8 bit variable NRZ-L pattern generated depending on the position of the 8-dit Data Switch provided.
- Clock Frequency is of 250 KHz.
-
Data Format (Coding)
- Non Return to Zero-Level (NRZ-L)
> - Differential Encoded NRZ-L.
-
Carrier Modulation Techniques
- BPSK modulation
>
- DPSK modulation
- DEPSK modulation
-
On-board features
- Square Looping Technique used in Demodulation section
- Switch Faults are provided on board to study different effects on circuit
- Block Description Screen printed on glassy epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
- Principles of advance digital modulation techniques.
- Differential Encoding of Data.
- Binary Phase Shift Keying Modulation / Demodulation technique.
- Differential Phase Shift Keying Modulation / Demodulation technique.
- Differentially Encoded Phase Shift Keying Modulation / Demodulation technique.
- Effect of Switch Faults.
ADCT - 02 QPSK & DQPSK MODULATION KIT
-
Sine Wave Generator
- Provides synchronized Sine waveform output of 500KHz(0 deg.),
500KHz(90 deg.), 500KHz(180 deg.), 500KHz(270deg.)
- Amplitude of 0 - 4Vp-p
> - Provision for Amplitude
adjustments provided.
-
Data Format (Coding)
- Dibit Pair (I & Q),
Differential Encoding of I & Q Bits.
-
Carrier Modulation Techniques
- DPSK modulation
> - DQPSK modulation
-
Pulse Generator
- Clock frequency of 250 KHZ BIT, BIT Clock, Word Clock.
> - Crystal Controlled
Pulse Generator.
-
On-board features
- On board 8 bit variable NRZ-L pattern Data Simulator
>
- Switch Faults are provided on board to study different effects on circuit
- Block Description Screen printed on glassy
epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
- Principles of advance digital modulation and Demodulation techniques.
- Dibit pair data coding technique of NRZ-L data format.
- Differential Encoding of I & Q Bits.
- Observation of constellation diagram.
- Quadrature Phase Shift Keying Modulation and Demodulation technique.
- Differential Quadrature Phase Shift Keying Modulation and Demodulation technique.
- Effect of Switch Faults.
ADCT – 03 QPSK / DQPSK DEMODULATION KIT
-
Data Format (De-Coding)
- Dibit Pair (I & Q),
Differential Encoding of I & Q Bits.
-
Carrier Demodulation Techniques
- DPSK Demodulation
> - DQPSK Demodulation
-
On-board features
- Receiver Clock generated by PLL method
>
- Switch Faults are provided on board to study different effects on circuit
- Block Description Screen printed on glassy
epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
List of experiments are same for both ADCT-02 and ADCT-03.
ADCT-02 and ADCT-03 are combined to perform the experiments.
ADCT - 04 BASE BAND DIGITAL TRANSMISSION TRAINER
-
Noise Generator
- Provides White Noise Source output
>
- Amplitude of 0 - 4Vp-p
- Provision for Amplitude adjustments provided.
-
PRBS Generator
- 16 Bit switch selectable
- Jumper selectable clock rate of 16, 32, 64, 128, 256, 512 KHz, and
1.024 MHz.
-
BIT ERROR RATE Meter
- Four digit counter displayed on seven segment
>
- Four digit seven segment counting up to 9999
>
- LED for terminal count indication provided
-
Digital Modulation Technique
- Pulse Amplitude Modulation technique is used
>
- Internal sampling clock: of 16 KHz to 1MHz
- 50 % duty cycle
-
Coding Operation
- 16 bit data pattern for scrambler
>
- 16 bit data pattern for unscrambler
-
On-board features
- Switch Selectable first order Butterworth Transmitter filter (Five Bands)
- Switch Selectable first order Butterworth Receiver filter (Five Bands)
>
- Switch Faults are provided on board to study different effects on circuit
>
- Block Description Screen printed on glassy epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
- Study of pulse amplitude modulation of digital datas for base band transmission.
>
- Study of data extraction and recovery in base band digital transmission.
- Study of transmission and reception of band limited pulse train in base band digital transmission system.
>
- Study of eye pattern.
- Observation and calculation of noise margin percentage.
>
- Measurement of bit error rate using binary data.
>
- Study of message Scramblers and Unscramblers.
>
- Effect of Switch Faults.
ADCT - 05 QAM/DQAM MODULATION TRAINER
-
Carrier Sine Wave Generator
- Four carrier sine waves Generated onboard
>
- Provides synchronized Sine waveform output of 500KHz(0 deg.),
500KHz(90 deg.), 500KHz(180
deg.),500KHz(270 deg.)
-
Clock And Data Generator
- 24 bit variable NRZ-L pattern generated depending on the position of the three nos. of 8-dit Data Switch provided.
- Clock Frequency is of 250 KHz.
-
Data Format (Coding)
- Non Return to Zero-Level (NRZ-L)
>
- Tribit encoded data (I ,Q & C)
> - Differential Encoded I & Q Bits.
-
Carrier Modulation Techniques
- Quadrature Amplitude Modulation
> - Differentially
Quadrature Amplitude Modulation
-
On-board features
- On board Three Nos. of 8 bit variable NRZ-L pattern Data Simulator
- Switch Faults are provided on board to study different effects on circuit
> -
Block Description Screen printed on glassy epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
- To study the elements of 8-QAM / DQAM system.
- Tribit coding technique of NRZ-L data format.
- Differential Encoding of Data.
- 8-QAM Modulation technique.
- DQAM Modulation technique.
- To study of constellation Diagram of QAM
- To study bandwidth efficiency in QAM techniques
- Effect of Switch faults.
ADCT - 06 QAM/DQAM DEMODULATION TRAINER
-
Receiver Clock
- Receiver clock generated using PLL
method
-
Data Format (Decoding)
- Non Return to Zero-Level (NRZ-L)
>
- Tribit Decoded data (I ,Q & C)
> - Differential Decoded I & Q Bits.
-
Carrier Demodulation Techniques
- Quadrature Amplitude Demodulation
> - Differentially
Quadrature Amplitude Demodulation
-
On-board features
- QAM/DQAM Demodulation using PLL and Envelop detectors
>
- Switch Faults are provided on board to study different effects on circuit
>
- Block Description Screen printed on glassy epoxy PCB
-
Interconnections
- All interconnections are made using
2mm banana Patch cords.
-
Test points are provided to analyze
signals at various points.
-
All ICS are mounted on IC Sockets.
-
Bare board Tested Glass Epoxy SMOBC PCB
is used.
-
In-Built Power Supply of +5V/1.5A,
±12V/250mA with Power ON indication
-
Attractive Wooden enclosures of Light
weight Australian Pine Wood.
-
Set of 2mm Patch cords for
interconnections
-
User’s Manual with sample experimental
programs
-
LIST OF EXPERIMENTS:
- To study Tribit decoding technique.
>
- To study Differential decoding of Data.
>
- Observation of constellation diagram.
- To study bandwidth efficiency of 8-QAM/DAQM.
- To study 8-QAM Demodulation technique.
- To study DQAM Demodulation technique.
- To study Effect of Switch faults.
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