ULTERIOR FORUM

Hi frnds finally we are successful in maintaining a soft copy of ECT notes
This is the notes written by ECT mam

UNIT 1			Get printouts of it
UNIT 2 PART 1		Get printouts of it
UNIT 2 PART 2		Get printouts of it
UNIT 3 PART 1		Get printouts of it
UNIT 3 PART 2		Get printouts of it
UNIT 4&5		Get printouts of it

It has the following

• Unit 1
  • Modulation and demodulation
  • Electro magnetic spectrum
  • Bandwidth and information capacity
  • Frequency division multiplexing
  • Time division multiplexing
  • Transmission Modes
  • Mixing
  • Noise Analysis
• Unit 2
  • Amplitude Modulation Transmission
    • Principle of Amplitude Modulation
    • AM modulator circuits
    • AM Transmitters
  • Amplitude Modulation Reception
    • Receiver Parameters
    • AM Receivers
    • AM Receiver circuits
    • Single Sideband Communication systems
    • single sideband Generation
    • Single sideband transmitters
    • Single sideband receivers
• Unit 3
  • Angle modulation transmission
    • Angle modulation
    • FM and PM waveforms
    • noise and angle modulation
    • Frequency and phase modulators
    • Direct and indirect FM transmitters
    • FM Vs PM
  • Angle modulation receivers
    • FM demodulators
    • PLL
      • Capture range
      • Lock range
      • Slope detector
      • Foster-Seeley discriminator
      • Ratio detector
      • PLL demodulator