basic comm lab

8/2/2019 Basic Comm Lab

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BASICCOMMUNICATION LAB

Sci-tech Basic Communication Trainers offer students understand basic concepts ofcommunication through exhaustive experiments. The Kits offer on-board necessary signalgenerator and power supply and silk screen printed circuit details, inscriptions and legendsenable ease of understanding the experiment circuits.


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AMPLITUDE MODULATION & DEMODULATION KIT

Model BCT-01

Sine Wave Generator- Provides Sine waveform output using IC 8038.- Frequency variable from 20 Hz.-20 KHz. in three steps- Frequency and Amplitude adjustments possible

CarrierGenerator- Carrier generation using IC TL084- Provides Carrier waveform output of 40 KHz and Max. 2V p-p.- Amplitude adjustments of carrier waveform possible

On-board Block features- AM-modulator circuit using IC 3086- AM-Demodulator using Diode detector method

-Amplifier circuit using IC TL084

- 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 12V/350mA with Power ON indication

Attractive Wooden enclosures of Light weight Australian Pine Wood.

Set of 2mm Patch cords for interconnections

Users Manual with sample experimental programs


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FREQUENCY MODULATION & DEMODULATION KIT

.. Model BCT-02

Sine Wave Generator- Provides Sine waveform output using IC 8038.- Frequency variable from 20 Hz.-20 KHz. in three steps.- Frequency and Amplitude adjustments possible.

CarrierGenerator- Provides Carrier waveform output of 50 KHz and Max. 5V p-p.- Amplitude adjustments of carrier waveform possible

On-board Block features- FM -modulator circuit using IC 8038- FM -Demodulator using PLL method by using IC 565- Amplifier circuit using IC TL084- Block Description Screen printed on glassy epoxy PCB


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Interconnections- All interconnections are made using 2mm banana Patch cords.


All ICs are mounted on IC Sockets. Bare board Tested Glass Epoxy SMOBC PCB is used.






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PAM MODULATION & DEMODULATION KIT.. Model BCT-06

Sine Wave Generator- Provides Sine waveform output using IC 2206.- Frequency variable from 100 Hz.-1.5 KHz. in three steps-

Amplitude variable up to Maximum 5V p-p

CarrierGenerator- Carrier Generation using IC 555- Provides Carrier waveform variable output of 6KHz to 50KHz


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On-board Block features- PAM -modulator circuit using IC 4066- PAM -Demodulator using Low Pass Filter method by using IC LM324

-Block Description Screen printed on glassy epoxy PCB



All ICs are mounted on IC Sockets.







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PWM MODULATION & DEMODULATION KIT.. Model BCT-07

Sine Wave Generator- Provides Sine waveform output using IC 2206.- Frequency variable from 1KHz.-1.2 KHz.

-Amplitude variable up to Maximum 10V p-p

Sampling FrequencyGenerator- Sampling Frequency generation using LM565 and 74163- Provides Sampling Frequency TTL output of 34 KHz.

On-board Block features- PWM -modulator circuit using IC 555- PWM -Demodulator Low Pass Filter method by using IC TL084- Block Description Screen printed on glassy epoxy PCB




Bare board Tested Glass Epoxy SMOBC PCB is used. In-Built Power Supply of 12V/250mA with Power ON indication





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PPM MODULATION & DEMODULATION KIT. Model BCT-08

Sine Wave Generator- Provides Sine waveform output using IC 2206.- Frequency variable from 1KHz.-1.2 KHz.- Amplitude variable up to Maximum 10V p-p

Sampling FrequencyGenerator- Sampling Frequency generation using LM565 and 74163- Provides Sampling Frequency TTL output of 34 KHz.

On-board Block features- PPM -modulator circuit using IC 555- PPM -Demodulator Low Pass Filter method by using IC TL084- Block Description Screen printed on glassy epoxy PCB





In-Built Power Supply of 12V/250mA with Power ON indication Attractive Wooden enclosures of Light weight Australian Pine Wood.




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TDM MODULATION & DEMODULATION KIT.. Model BCT-09Sine Wave Generator

- Provides Dual Sine waveform output using IC TL084.- Frequency of Sine wave -1 is 125 Hz with variable Amplitude of max.10V p-p.- Frequency of Sine wave -2 is 200 Hz with variable Amplitude of max.4V p-p.

Sampling FrequencyGenerator- Sampling Frequency generation using IC 555- Provides Sampling Frequency TTL output of 40 KHz.

On-board Block features

-Two channel multiplexing & de-multiplexing

- Two TDM Clocks generated using 74138- TDM -modulator circuit using IC 4066- FM -Demodulator using 4066 and LM324- On-board 4th order Low pass filter with cut-off frequency of 3.4khz- Block Description Screen printed on glassy epoxy PCB





In-Built Power Supply of +5V/150mA, 12V/250mA with Power ON indication

Attractive Wooden enclosures of Light weight Australian Pine Wood. Set of 2mm Patch cords for interconnections



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FSK MODULATION & DEMODULATION KITModel BCT-11

CarrierGenerator- TTL Clock Generation using IC 555- Provides Carrier waveform output of 15 KHz.

On-board Block features- Four Nos. of Data Clock using IC 7490- FSK -modulator circuit using IC 74163 and IC 7400- FSK -Demodulator using IC TL084- Block Description Screen printed on glassy epoxy PCB




Bare board Tested Glass Epoxy SMOBC PCB is used. In-Built Power Supply of 12V/250mA with Power ON indication





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ASK MODULATION & DEMODULATION KIT.. Model BCT-12

Code Generator- Selectable Data Generator using 74165.- Programmable Cyclic 8-bit Word Generator- Eight way DIP switch provided to create 8-bit word

CarrierGenerator- Provides Sine waveform output using IC 8038.

-Frequency variable maximum up to 30 KHz.

- Amplitude variable up to Maximum 5V p-p

On-board Block features- ASK -modulator circuit using IC 4066- ASK -Demodulator using IC TL084- Block Description Screen printed on glassy epoxy PCB

Code Display- Eight LED display to verify the input data




Bare board Tested Glass Epoxy SMOBC PCB is used. In-Built Power Supply of 5V/150mA, 12V/250mA with Power ON indication





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PSK MODULATION & DEMODULATION KIT.. Model BCT-13

CarrierGenerator- Provides Sine waveform output using IC 8038.

- Frequency variable from 10KHz. - 20 KHz.- Amplitude variable up to Maximum 5V p-p

On-board Block features- Four Nos. of Data Clock using IC 7490- PSK -modulator circuit using IC 4051 and IC TL084- PSK -Demodulator using IC 7486- Block Description Screen printed on glassy epoxy PCB









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DELTA MODULATION & DEMODULATION KIT. Model BCT-14

Sine Wave Generator- Provides Sine waveform output using IC TL084.- Fixed Frequency of 250Hz.


Sampling FrequencyGenerator- Provides Square waveform output using IC 555- Provides waveform output of 20 KHz.

On-board Block features- DELTA -modulator circuit using IC 74193 UP DOWN Counter and DAC-0800- DELTA -Demodulator using IC TL084- Block Description Screen printed on glassy epoxy PCB









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DPSK MODULATION & DEMODULATION KIT Model BCT-18

CarrierGenerator- Provides Sine waveform output using IC 8038.- Frequency variable from 10KHz. - 20 KHz.


On-board Block features- Four Nos. of Data Clock using IC 7490- PSK -modulator circuit using IC TL084 and Two Nos. of IC 4051- PSK -Demodulator using IC 7486 and IC 74164- Block Description Screen printed on glassy epoxy PCB





In-Built Power Supply of 5V/150mA, 12V/250mA with Power ON indication

Attractive Wooden enclosures of Light weight Australian Pine Wood. Set of 2mm Patch cords for interconnections


Specifications and design subject to changes without any notice

basic comm lab

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