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10kw数字调幅广播发射机利用最新的数字调制技术,采用微功耗的数字集成电路,取代了传统的电子管乙类板调发射机。因其自身具备各类完备的控制、保护和检测系统,不仅提高了安全播出质量,而且降低了停播率,越来越广泛的应用在广电行业。笔者主要介绍了10kw数字调幅广播发射机的工作原理和高压放电电路改进。
10kw digital AM transmitters use the latest digital modulation technology, the use of micro-power digital integrated circuits to replace the traditional tube B transmitter. Because of its own various types of complete control, protection and detection system, not only improves the safety broadcast quality, but also reduces the off rate, more and more widely used in radio and television industry. The author introduces the working principle of 10kw digital AM broadcast transmitter and high voltage discharge circuit improvement.