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寻呼发射同轴隔离器（单向器）邮电部第一研究所研制的ＰＴＧ—３０５型寻呼发射同轴隔离器具有单向性，可有效地抑制无线寻呼发射台之间的互调于扰，提高通信质量，并可避免由天线变化所引起的反射功率对发射机的不良影响，从而进一步提高发射机工作稳定性。该同轴隔离器...
Paging Emission Coaxial Isolator (Unidirectional) The PTG-305 Paging Emission Coaxial Isolator developed by the First Institute of the Ministry of Post and Telecommunication has unidirectional properties, which can effectively suppress the intermodulation between radio paging transmitters In the interference, improve communication quality, and can not be caused by changes in the antenna reflected power on the transmitter adverse effects, thereby further improving the transmitter stability. The coaxial isolator ...