臺(tái)灣固緯GRF-3300S頻譜儀 The Fundamentals Impedance matching network: L-type, π-type, T-type Smith chart: theory and practical examples Theory explaining RF Component Test Antenna Antenna parameter, antenna structure, antenna type Frequency response Antenna Design Attenuator Attenuator parameter, attenuator type, attenuator design Attenuation characteristics When the Signal is Too Big Low Noise Amplifier LNA parameter, 1dB compression point, LNA structure Input and output return loss, amplifier gain, 1dB compression point Small Signal Enlarged Preamplifier Preamplifier type, characteristics, expander and de-emphasis, decompression characteristics Wireless Microphone Modulation Design and implement a modulation circuit Frequency modulation Remote Controller Demodulation Design and implement an FM intermediate frequency demodulation circuit IF modulation, RSSI output Broadcasting Transmitter Transmitter parameter, transmitter structure Transmission spectrum Radio Set Receiver Receiver parameter, receiver structure Receiving signal spectrum, demodulation waveform