The Analog communications course provides comprehensive, hands-on instruction in the terminology, principles and applications of analog communications. In this course, students receive hands-on circuit training and acquire skills to measure radio signals with an oscilloscope. Students also learn the functions of oscillators, filters, amplifiers, LC networks, modulators, limiters, mixers, and Detectors in communication circuits. Lab Analog Communication Trainer is a very versatile and completely self-contained laboratory instrument built in regulated power supply with short circuit protection. This trainer consists of the following fundamental logic gates:
Topic Coverage:
- Analog communication concepts
- Circuit board Familiarization
- Amplitude Modulation
- RF power Amplifier
- Balanced modulator
- RF stage
- Mixer, IF filter and Envelope detector
- Balanced modulator and LSB filter
- Mixer and RF power amplifier
- Balanced modulator and LSB filter
- Mixer and RF power amplifier
- RF stage, mixer and IF filter
- Product Detector and Automatic Gain control
- Frequency and phase Modulation
- Demodulation (quadrature Detector)
- PLL circuit and operation
- FM Detection with a PLL
- Troubleshooting Basics
- Troubleshooting Analog communication circuits
This Trainer Consists of following Circuit Diagrams
- Amplitude modulation (AM) Transmitter and single-sideband (SSB) Transmitter
- Amplitude Modulation (AM) Receiver and single-sideband (SSB) receiver with Automatic gain control
- Frequency Modulator (FM) (high and low bands)
- Phase Modulator (PM)
- Quadrature detector (demodulation)
- Phase-Locked Loop (PLL) circuit
- Phase-Locked Loop FM Detector
| 1. | Patching Connections: | 4mm. The Terminals are provided for Patching. |
| 2. | Power: | 230V AC/50Hz. |
| 3. | Dimension: | 41.5cmsx31.5cms x13.5cms. |
| 4. | Weight: | 750gms. |
| 5. | Accessories: | i) Instruction Manual. ii) Set of patch cord. |
| 6. | Housing: | Housed in a sloping fiber/ cabinet with top lid for protection. |
Technical Specifications:
1. RF Oscillator: Sine output
i. Frequency: 2KHz to 20KHz, 20KHz to 200KHz.
ii. Amplitude: (0-10)V variable
2. AF Oscillator: Microphone with built in amplifier is provided.
3. Low pass filter: 2nd order Butter worth low pass filter is provided.
4. Loud speaker: 3" Loudspeaker with build in power amplifier is provided.
5. DC Power supply: +12V / 500mA, 5V / 500mA
6. Mains: 230V AC mains provided.
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