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High level modulator

  1. High level collector modulator circuit
  2. Grid modulated class C amplifier
  3. Plat modulated class C amplifier

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Grid modulated class C amplifier

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Grid Voltage Plate Current Waveforms

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Plat modulated class C amplifier

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Plate Modulation Waveform

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Low level AM transmitter

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High level AM transmitter

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Types of AM

  1. DSBFC
  2. DSBSC
  3. SSB
  4. ISB
  5. VSB

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Balanced modulator using diode (lattice modulator)

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SSB generation methods

  1. Filter method
  2. Phase shift method
  3. Third method

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Filter method

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Phase shift method

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Third method

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Independent sideband transmitter