Signals and networks: analogue and digital, modulation, radio and TV, fixed and mobile telephony, transmission media and the spectrum

What this note covers

1. Analogue and digital signals
2. Modulation and demodulation: AM, FM and digital
3. Radio and television transmission and display media
4. Fixed and mobile telephony
5. Transmission media and the electromagnetic spectrum
6. Answering signals and network questions
7. Practice set with answers

7 sections · 11 key terms & formulas · 6 common mistakes