1. System consists of ASK/AM transmitter and receiver, and FSK/FM transmitter and receiver.
2. Both AM & FM modules are equipped with 8-bit DIP switch for troubleshooting experiments.
3. Comprehensible experiment manual is provided.
The KL-900C AM/FM/ASK/FSK Transmitter and Receiver System is a comprehensive and self-contained system and is suitable for carrying out AM/ASK and FM/FSK transmission experiments.
The complete system contains KL-900C1 and KL-900C2, eight separated modules including:
● AM transmitter & receiver modules
● FM transmitter & receiver modules
● ASK/AM transmitter & receiver modules
● FSK/FM transmitter & receiver modules
KL-900C1
AM Experiments
1. Sine wave / Voice Modulator
2. Modulator Measurement
3. DSBSC / Sine wave Pattern
4. Modulator percentage
5. Trapezoid Pattern
6. Voice / Antenna Adjust
7. First IF Amplifier
8. Second IF Amplifier
9. Frequency Transmitter / Receiver & Modulator / Demodulator
10. Music Transmitter & Receiver
FM Experiments
1. Voltage Measurements of Varactor Diode
2. Crystal Oscillator Measurements
3. Frequency Multiplier Adjustments (For Second Harmonic)
4. RF Amplifier Tuning Circuit Adjustments (For Second Harmonic)
5. Frequency Multiplier Adjustments (For Third Harmonic)
6. RF Amplifier Tuning Circuit Adjustments (For Third Harmonic)
7. Audio Amplifier Measurements
8. Reference Oscillator Measurements
9. FM IF Amplifier
10. Counter
11. Music Transmitter & Receiver
KL-900C2
ASK/AM Experiments
1. RF amplifier adjustment (underlined data are reference values)
2. Digital data coding (CDMA & Manchester encoding)
3. Calibration of transmitter and receiver
4. Transmitter and receiver communication experiment
5. Analog transmission of digital signals
6. Analog signal transmitted by analog transmission
7. Music signal transmission
FSK/FM Experiments
1. Voltage measurement of varactor diode
2. Crystal oscillator frequency measurement
3. Frequency multiplier adjustment (Doubler)
4. Frequency multiplier adjustment (Tripler)
5. RF amplifier tuned circuit adjustment
6. Digital data transmission (Direct sequence & Manchester encoding)
7. Audio amplifier adjustment
8. Calibration of RF amplifier
9. Receiver frequency detector adjustment
10. Decoding sequence adjustment
11. Digital data transmission and receiving (Direct sequence & Manchester encoding)
12. Digital data transmission and receiving example
13. Analog transmission of digital signals
14. Analog signal transmitted by analog transmission
15. Music signal transmission
