Analog Communication is a data transmitting technique in a format that utilizes continuous signals to transmit data including voice, image, video, electrons etc. An analog signal is a variable signal continuous in both time and amplitude which is generally carried by use of modulation
1. Amplitude modulation
- DSB-SC
- SSB
- Modulation and demodulation
- Spectrum
- Power and efficiency
- Implementation of amplitude modulators and demodulators
- DSBSC Balanced modulator
- Coherent detection of DSBSC
- Squaring loop detection.
- SSB-SC- Phase Shift and Third method of generation
- Coherent detection of SSBSC
2. Carrier acquisition
- Phase locked loop, in DSB-SC and in SSB-SC. Signal multiplexing: FDM and TDM. AM Broadcasting: Radio transmitter and Receiver.
3. Bipolar Junction Transistor
- Phase locked loop in DSB-SC and in SSB-SC
- Signal multiplexing: FDM and TDM
- AM Broadcasting: Radio transmitter and Receiver
4. DC Biasing of BJT’s
- Operating Point
- Fixed-Bias Circuit
- Emitter-Stabilized Bias Circuit
- Voltage-Divider Bias
- Transistor Switching Networks
- Bias Stabilization (Fixed Bias, Emitter-Bias and Voltage-Divider Bias)
5. Field Effect Transistors
- Construction and Characteristics of JFETs
- Transfer Characteristics
- Depletion-Type MOSFET
- Enhancement-Type MOSFET
- CMOS
6. Field Effect Transistors Biasing
- Fixed-Bias Configuration
- Self-Bias Configurations
- Voltage-Divider Bias Configuration (both n- and p channel)
- Enhancement-Type MOSFETs – Feedback Biasing Arrangement
- Enhancement-Type MOSFETs – Voltage –Divider Biasing Arrangement
7. Operational Amplifiers
8. Feedback and Oscillator Circuits
- Feedback Concepts
- Feedback Amplifier-Phase and Frequency Considerations
- Oscillator Operation
9. Two Terminal Devices
- Photodiodes
- Photoconductive Cells
- IR Emitters
- Liquid Crystal Displays
- Solar Cells
- Thermistors
- Silicon- Controlled Rectifier (SCR)