COM-10000: Communication Lab
 

Curriculum Objectives
* To understand basic theories of digital and analog communication
* To design and implement analog/ digital modulator and demodulator
* To understand the applications of balanced modulator circuit.

Curriculum Outline
* Design and Implementation of RF oscillators and filters
* Design and implementation of analog AM/ FM modulation and demodulation
* Design and implementation of a converter between digital and analog
* Design and implementation of ASK and FSK modulation and demodulation
* Design and implementation of PSK and QPSK modulation and demodulation

The Communication Lab comes with 9 different experiment boards, all conveniently stored in a metal case (pictured above) that can be sat upright or sideways. (Above Left - Upright View, Above Right - Side View) There are also one optional Module board, Function Generator and Power Supply, FG-442002, that can be purchased separately.
COM-10001
RF Oscillator Circuits Design
    Experiment 1: Colpitts Oscillator Circuit
    (Oscillation Frequency: 1 MHz ~ 10 MHz)
    Experiment 2: Hartley Oscillator Circuit
    (Oscillation Frequency: 500 kHz~ 2MHz)
Second Order Filter Circuits Design
    Experiment 1: 2nd Order Low-Pass Filter Circuit
    ( Low-pass -3 dB Frequency: 1 kHz ~ 10 kHz)
    Experiment 2: 2nd Order High-Pass Filter Circuit
    (High-pass -3dB Frequency: 800 Hz ~ 8 kHz)
    Experiment 3: 2nd Order Band-Pass Filter Circuit
    (Center Frequency: 6 kHz; Bandwidth: 10 kHz)
COM-10002
AM Modulator Design
     Experiment 1: AM Circuit
     (Carrier Signal: 500 kHz~3 MHz, Audio Signal Frequency: 1kHz ~ 3kHz)
AM Demodulator Design
    Experiment 1: AM Diode Detection Circuit
    (Carrier Signal: 200 kHz ~ 300 kHz; Audio Signal Frequency: 1 kHz ~ 3 kHz)
    Experiment 2: AM Product Detection Circuit
    (Carrier Signal: 500 kHz ~ 3 MHz; Audio Signal Frequency: 1 kHz ~ 3 kHz;
     Modulation Index: 50 %)

COM-10003
FM Modulator Circuit Design
    Experiment 1: The Specification Measurement of MC1648 VCO
    ( Oscillation Frequency: 2 MHz ~ 3 MHz)
    Experiment 2: MC1648 FM Circuit
    (Carrier Signal: 2.8 MHz; Audio Signal Frequency: 3 kHz ~ 8 kHz)
    Experiment 3: The Specification Measurement of LM566 VCO
    ( Oscillation Frequency: 1 kHz ~ 30 kHz)
    Experiment 4: LM566 FM Circuit
    (Carrier Signal: 20 kHz; Audio Signal Frequency: 1 kHz ~ 5 kHz)
FM Demodulation Circuit Design
    Experiment 1: The Specification Measurement of LM565 PLL
    ( Nature Frequency: 0.6 kHz ~ 77 kHz; Phase locked Range: 1.1 kHz ~ 3.9 kHz;
    Phase Caught Range: 1.2 kHz ~ 3.8 kHz)
    Experiment 2: The Specifications of Voltage and Frequency for LM565 PLL
    (Input Signal Frequency: 0.5 kH~ 23.5 kHz;Output Voltage: 3 V ~ 4.5V)
    Experiment 3: LM 565 Phase locked Loop Circuit

    ( Nature Frequency: 20 kHz; Audio Signal Frequency: 1 kHz ~ 3 kHz)
    Experiment 4: FM to AM Discriminator Circuit
    (Nature Frequency: 2 MHz; Audio Signal Frequency: 1 kHz ~ 3 kHz)

COM-10004
Analog to Digital Converter Circuit Design
    Experiment 1: ADC 0804 Circuit
    ( Resolution: 8 bits; Analog Input Voltage: 0V ~ 5V)
    Experiment 2: ADC 0809 Circuit
    ( Resolution: 8 bits; Analog Input Voltage: 0V ~ 5V; Clock Frequency: 120 kHz)
Digital to Analog Converter Circuit Design
    Experiment 1:Unipolar DAC 0800 Circuit
    ( Digital Input: 8 bits; Analog Output Voltage: 0V ~ 5V; Step Value: 0.019V)
    Experiment 2: Bipolar DAC 0800 Circuit
    ( Digital Input: 8 bits; Analog Output Voltage: -5V ~ 5V; Step Value: 0.038V)
COM-10005
Pulse Width Modulation Circuit Design
    Experiment 1: uA741 PWM Circuit
    (Carrier Signal: 1.5 kHz ~ 2 kHz; Audio Signal Frequency: 500 Hz)
    Experiment 2: LM 566 PWM Circuit
    (Carrier Signal: 5 kHz ~ 10 kHz; Audio Signal Frequency: 1 kHz)
Pulse Width Demodulation Circuit Design
    Experiment 1: PWM Demodulation Circuit
    (Carrier Signal: 5 kHz ~ 6 kHz; Audio Signal Frequency: 500 Hz ~ 700 Hz)
COM-10006
Amplitude-Shift Keying Modulation Circuit Design
    Experiment 1: ASK Modulation Circuit
    (Carrier Signal: 20 kHz ~ 100 kHz; Modulation Signal Frequency: 1 kHz ~ 10 kHz)
Amplitude-Shift Keying Demodulation Circuit Design
    Experiment 1: ASK Non-coherent Detection Circuit
    (Carrier Signal: 20 kHz ~ 100 kHz; Modulation Signal Frequency: 1 kHz ~ 10 kHz)
    Experiment 2: ASK Coherent Detection Circuit
    (Carrier Signal: 20 kHz ~ 100 kHz; Modulation Signal Frequency: 1 kHz ~ 10 kHz)
COM-10007
Frequency-Shift Keying Modulation Circuit Design
    Experiment 1: FSK Modulation Circuit
    (Space Signal: 1370 Hz; Mark Signal: 870 Hz; Data Signal: 200 Hz ~ 5 kHz)
Frequency-Shift Demodulation Circuit Design
    Experiment 1: FSK Demodulation Circuit
    (Space Signal: 1370 Hz; Mark Signal: 870 Hz; Data Signal: 200 Hz ~ 5 kHz)
COM-10008
Phase-Shift Keying Modulation Circuit Design
    Experiment 1: PSK Modulation Circuit
    (Carrier Signal: 100kHz; Data Rate: 200 bps; Data Signal: 100 Hz ~ 1 kHz)
Phase-Shift Keying Demodulation Circuit Design
    Experiment 1: PSK Demodulation Circuit
(Carrier Signal: 100kHz; Data Rate: 400 bps ~ 1000 bps; Data Signal: 100 Hz ~ 1 kHz)

 

COM-10009
QPSK Modulation Circuit Design
    Experiment 1: Bit-splitter Circuit
    (Data Rate: 100 bps ~ 1000 bps)
    Experiment 2: QPSK Modulation Circuit
    (Carrier Signal: 20 kHz; Data Rate: 1000 bps)
QPSK Demodulation Circuit Design
    Experiment 1: Signal-square and PLL Circuit
    (Carrier Signal: 20 kHz; Data Rate: 1000 bps)
    Experiment 2: QPSK Demodulation Circuit
    (Carrier Signal: 20 kHz; Data Rate: 1000 bps)

Optional Accessories:

FG-442002: Function Generator and DC Power Supply (optional)
Function Generator:
     Two signal output ports
     Freq. Range: 10 Hz ~ 100KHz and 100Hz ~ 1 MHz
     Waveforms: Sine, Triangle, Square, TTL Pulse
     Amplitude: 10 Vpp
     Built-in 6-digit frequency counter
     Large 0.5" LED display
     Overload protection
DC Power Supply:
     Triple bipolar voltage output
     Constant voltage operation
     Low ripple and noise

Oscilloscope (optional)

 

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