Flite KL-900B Analogue Communications System

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Features 

• 144MHz VHF FM Tranceiver Trainer.
• 2 modules form basis for over 9 fully documented experiments.
• Includes Experiment and Instructor's Manual.

This KL-900B Analogue Communications System is a comprehensive and self-contained system based on a 144MHz VHF tranceiver and is suitable for anyone engaged in analogue communications experiments.

The purpose of the system is to enable students to acquire clear experimental views of the basic concepts, and a familiarisation with the operational aspects, of work in a telecommunications laboratory.

Analogue Communications Modules

Two analogue communications modules (KL-93051 and KL-93052) are included in the KL-900B system, as follows:

Accessories

An accessories kit is included with the KL-900B system, as follows:

KL-98002:

1. AC power cord: 1 piece
2. Experiment manual: 1piece
3. Instructors manual: 1 piece
4. VHF FM Tranceiver: 1 set

List of Experiments

1. Analogue Communications System Introduction
   a. Hardware Reset
   b. Knowing SET Frequency
   c. Knowing 2 Function Operation
   d. Knowing SET Key Function
   
2. Microphone Amplifier
   a. Active Filter Circuit on the Microphone Amplifier
   b. Low Pass Filter Circuit on the Microphone Amplifier
   c. Measuring the Frequency Response of the Passive High-Pass Filter
   d. Measuring the Frequency Response of the Active Low-Pass Filter
   
3. Phase-Lock Loop (PLL) Circuits
   a. Observe the MB1504 Phase-Lock Detector Characteristics
   b. Measuring the Lock Timing
   c. Measuring the LM565 Phase-Lock Circuit Characteristics
   d. Measuring the LM565 Phase-Lock Circuit Gain Factor
   
4. Voltage Controlled Oscillator (VCO) Circuit
   a. Measuring the VCO Gain of the Transceiver
   b. Measuring the VCO Noise
   c. Measuring the VCO Gain of the Receiver
   d. VCO Circuit Simulation
5. Power Amplifier
   a. Gain Frequency Response of the Transceiver System
   b. Measuring the Automatic Gain Control Loop (APC) of the Power Amplifier
6. RF Amplifier
   a. Measuring the Linear Frequency Response of the RF Amplifier
   b. Measuring the Non-Linear Frequency Response of the RF Amplifier
   c. Band-Pass Filter Circuit Simulation
   d. Low Noise Amplifier Circuit Simulation
   e. RF Amplifier Circuit Simulation
7. Mixer and IF Circuit
   a. Measuring the Mixer Exchange Gain
   b. Measuring the Gain of the Crystal Filter and the IF Amplifier
   c. Mixer Circuit Simulation
   
8. FM Demodulation Circuit
   a. Measuring the IF Gain and Interrupt Loss of the FM Demodulation IC
   b. Measuring the Noise Strength of the FM Demodulation IC
   c. Measuring the Phase Detector Demodulation of the FM Demodulation IC
9. Audio Amplifier
   a. Measuring the Power of the Audio Amplifier
   b. Measuring the Noise Ratio of the Receiver Circuit
   c. Measuring the Frequency Response of the Audio Amplifier