Introduction - If you have any usage issues, please Google them yourself
Information Science and Technology, Peking University School of Communication circuit experiment notes: experimental communications circuit includes amplitude modulation and demodulation, frequency modulation and demodulation, HDB3 codec, 2FSK signal modulation and demodulation, resonant high-frequency power amplifiers or high-frequency power MOSFET amplifier, transceiver performance indicators test (demonstration) of six experiments.