SKU: AC-670

Communication Electronics Trainer Board

Curriculum Outline:
- Design and implementation of filters and oscillators for wireless communication.
- Design and implementation of transceiver for analog wireless communication.
- Design and implementation of telephone system and controllable.
- Design and implementation of transceiver for digital wireless communication.

 Curriculum Objectives:
1- A complete laboratory training system.
2- Analog and digital communications.
3- Suitable for both engineer and undergraduate training.
4- Simple and easy breakdown elimination training and repairing ability training for
    common communication equipments.
5- Design and implementation ability training for common communication equipments.

Module One: AC-670-1
1. Passive second order low-pass filter (Low-pass -3 dB frequency: 1 kHz ~ 3 kHz)
2. Active second order low-pass filter (Low-pass -3 dB frequency: 1 kHz ~ 3 kHz)
3. Passive second order high-pass filter (High-pass -3 dB frequency: 5 kHz ~ 10 kHz)
4. Active second order high-pass filter (High-pass -3 dB frequency: 5 kHz ~ 10 kHz)
5. Passive second order band-pass filter (frequency: 10 kHz ~ 100 kHz;
    Bandwidth: 6 kHz ~ 60 kHz)
6. Active second order band-pass filter (frequency: 10 kHz ~ 100 kHz;
    Bandwidth: 6 kHz ~ 60 kHz)

Module Two: AC-670-2
1. Wien bridge oscillator circuit (Oscillation frequency: 130 kHz ~ 140 kHz)
2. Phase-shift oscillator circuit (Oscillation frequency: 5 kHz ~ 30 kHz)
3. Colpitts oscillator circuit (Oscillation frequency: 1 MHz ~ 9 MHz)
4. Hartley oscillator circuit (Oscillation frequency: 500 kHz ~ 1.8 MHz)
5. Colpitts crystal controlled oscillator circuit
    (Oscillation frequency: 6 MHz ~ 12 MHz)
6. Colpitts voltage controlled oscillator circuit
    (Oscillation frequency: 3.5 MHz ~ 4 MHz)

Module Three: AC-670-3

1. AM transmitter carrier
2. Tunable audio signal source. (Audio signal frequency: 100 Hz ~ 1 kHz)
3. Provided with microphone input and used as a walkie-talkie
4. 1:3 times variable output power

Module Four: AC-670-4
1. AM receiver carrier frequency: 565 kHz ~ 1605 kHz
2. Receiver intermediate frequency: 455 kHz
3. Heterodyne mode
4. Auto volume control function

Module Five: AC-670-5
1. FM transmitter carrier frequency: 10.7 MHz
2. Crystal oscillation frequency: 3.58 MHz
3. Frequency deviation: 45 kHz
4 .Audio amplifier with pre-emphasis

Module Six: AC-670-6
1. FM receiver carrier frequency: 88 kHz ~ 108 kHz
2. Receiver intermediate frequency: 10.7 kHz
3. Audio amplifier with pre-emphasis
4. Auto volume control function

Module Seven: AC-670-7
1. Utilize DTMF to produce dial signal
2. Provided with LCD dial display
3. Ringing signal voltage: 100 V
4. Number of phone memory: 5
5. Telephone line DC supply voltage: > 40V

Module Eight: AC-670-8
1. Controllable household appliances. (Number of output control: 3)
2. Single chip microcontroller
3. Switching function for near and far distance control
4. DTMF encoder. (4 bits LED display)
5. Number of controllable ringing times: 3 ~ 6

Module Nine: AC-670-9
1. ASK transmitter carrier frequency: 1 MHz
2. 1:3 times variable output power
3. Data transmitted rate: 100 bps
4. Spread spectrum digital encoder
5. Data input mode: 8 bits
6. Data transmission display: 8 bits LED display
7. 256 communication channels

Module Ten: AC-670-10
1. ASK receiver carrier frequency: 1 MHz
2. Sensitivity: -60 dBm
3. Data received rate: 100bps
4. Spread spectrum digital decoder
5. Data received display: 8 bits LED display
6. 256 communication channels

Module Eleven: AC-670-11
1. FSK transmitter carrier frequency: 3.57 MHz
2. Transmission frequency: 10.7 MHz
3. 1:3 times variable output power
4. Data transmitted rate: 100 bps
5. Spread spectrum digital encoder
6. Data input mode: 8 bits
7. Data transmission display: 8 bits LED display
8. 256 Communication channels

Module Twelve: AC-670-12
1. FSK transmitter carrier frequency: 10.7 MHz
2. Sensitivity: -60 dBm
3. Data received rate: 100bps
4. Spread spectrum digital decoder
5. Data received display: 8 bits LED display
6. 256 communication channels
7. Communication channels error detection

Module Thirteen: AC-670-13
1. PSK transmitter carrier frequency: 1 MHz
2. First intermediate frequency: 20 kHz
3. 1:3 times variable output power
4. Data transmitted rate: 100 bps
5. Spread spectrum digital encoder
6. Data input mode: 8 bits
7. Data transmission display: 8 bits LED display
8. 256 communication channels

Module Fourteen: AC-670-14
1. PSK receiver carrier frequency: 1 MHz
2. First intermediate frequency: 20 kHz
3. Sensitivity: -60 dBm
4. Data received rate: 100 bps
5. Spread spectrum digital decoder
6. Data received display: 8 bits LED display
7. 256 communication channels
8. Communication channels error detection


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