2. Principles of Broadcast Technologies Lesson 1 Bellevue Community College Bob Young, Instructor

3. 1a. Electricity Voltage Current Resistance Power Formulas

4. 1b. Electricity Voltmeter Ammeter Ohmmeter Multimeter Wattmeter

5. 2a. Components Resistor Capacitor Inductor Diode (P-N junctions)

6. 2b. Components Resonant (LC) Circuits Regenerative Feedback Sine Wave Phase Relationships

7. 3a. Radio Wave / RF Energy FCC Frequency Allocations Radiation Propagation Path Loss (distance factors) Path Loss (environmental factors)

8. 3b. Radio Wave / RF Energy Fading (multipath) Fading (Rayleigh) Fresnel Zone Wavelength Diversity Receivers

9. 4. Decibels Power Voltage RF Applications Audio Applications

10. 5a. Modulation Carrier (definition) Information (definition) Analog Modulation Amplitude Modulation (AM) Frequency Modulation (FM) Pulse Modulation (PM) (ICW)

11. 5b. Amplitude Modulation

12. 5c. Modulation Digital Modulation Frequency Shift Keying (FSK) Phase Shift Keying (PSK) Amplitude Shift Keying (ASK)

13. 6. Transmitter Audio Processor Modulator RF Amplifier

14. 7a. Receiver RF Amplifier (terminology note: misuse of term, “pre-amplifier”) Demodulator (Detector, Discriminator) Audio Processor Pre-emphasis and De-emphasis

15. 7b. AM Receiver

16. 8a. Interference Types of Interference Co-channel Adjacent Channel Intermodulation

17. 8b. Interference Receiver Solutions to Interference Superheterodyne Receivers Image Frequency Dual Conversion Superheterodyne Receivers

18. 8c. Interference Cavity and Filter Solutions to Interference Bandpass Cavities High Pass Filters Low Pass Filters Block Filters Notch Reject Filters LC Filters Crystal Filters

19. 9. Antennas Types Polarization Bandwidth Gain

20. 10. Transmission Line Types Loss Characteristics Bending Radius Pressurized Transmission Line

21. 10a. Other Devices Transmitter Combiner Receiver Multicoupler Splitter Duplexer Leaky Coax Bi-directional Amplifier (BDA) Isolator

22. 11a. Applications & Principles Broadcast Radio Television Microwave Networks Satellite Communications

23. 11b. Applications & Principles RADAR Wireless LAN, 802.11 Trunked Radio Systems Wireless Data and Internet Telemetry

24. 12. Careers Job Types and Titles Companies That Need You Job Search Resources