Chapter 12

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  • The basic features of a modern linear power amplifier
  • It looked easier in the Handbook

Linear “noise mode” operation

  • A tuned 50 watt class B amplifier

Ferrite balun transformers

  • An untuned, sort-of-linear, class B, amplifier

Keying the 50 watt transmitter

  • A linear Class AB amplifier, this time for sure

Single Sideband (SSB) needs a linear
Biasing without thermal runaway
Clamp diodes prevent runaway
Mechanical construction