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作 者:包芃芃 BAO Pengpeng(Zhejiang Suichang Radio Relay Station,Lishui 323300,China)
出 处:《中国有线电视》2021年第1期70-72,共3页China Digital Cable TV
摘 要:全固态PDM发射机因其操作简便、保护功能齐全、质量稳定可靠、效率高等优势,逐渐淘汰了效率低下、能耗偏高的大功率电子管。主要介绍全固态PDM 1 kW发射机和调制高频功率放大器的技术原理,并结合常见案例,提出故障处理需要注意的要点。All solid-state PDM transmitters have gradually eliminated traditional high-power electronic tubes with low efficiency and high energy consumption in the market due to their advantages of easy operation,complete protection functions,stable and reliable quality,and high efficiency.This article mainly introduces the technical principles of the all-solid-state PDM 1 kW transmitter and modulated high-frequency power amplifier,combined with common failure cases,and puts forward some key points that need to be paid attention to during troubleshooting.
分 类 号:TN934.84[电子电信—信号与信息处理]
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