Transmitters

• Modulation index
      = peak deviation ÷ max audio frequency
      = 2.5kHz ÷ 3 kHz
      = 0.8 typically
  
• Bandwidth – (Carson’s Rule)
   BW = 2 × (max audio freq + peak deviation)
          = 2 × (3kHz + 2.5kHz)
          = approx 11kHz

Course Guide Topics

1. Duty Cycle
2. CW [A1A]
3. AM [A3E]
4. SSB [J3E]
5. FM [F3E] (1)
6. FM [F3E] (2)
7. Digital
8. CW Transmitter
9. Master Oscillator
10. Buffer / Driver
11. Power Amplifier
12. SSB Transmitter
13. SSB Generation (1)
14. SSB Generation (2)
15. Mixer
16. Linear Amplifier (1)
17. Linear Amplifier (2)
18. FM Transmitter
19. FM Generation
20. Frequency Multiplier
21. Power Amplifier
22. Tx Characteristics
23. Non-linearity
24. Output Impedance
25. Output Power
26. ERP – Effective Radiated Power
27. Key Clicks & Chirps
28. Spurious / Unwanted Radiation
29. HF Station
30. High Power Linear Amplifiers