| 宽脉冲300W功率放大器的研制 |
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| 引用本文： | 吕高庆,冯皓,王朝阳. 宽脉冲300W功率放大器的研制[J]. 电子测量技术, 2011, 0(2): 29-31,65 |
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| 作者姓名： | 吕高庆 冯皓 王朝阳 |
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| 作者单位： | 中国航空工业集团雷达与电子设备研究院第四研究室; |
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| 摘 要： | 重点讨论了VHF频段推挽式功率放大器BLF278在脉冲工作状态下,输出峰值功率达到300 W的电路结构.在明确BLF278性能的基础上,重点分析了功放电路中阻抗匹配用传输线变压器的磁芯材料设计和电路结构设计两个方面.根据理论指导,选择Ni-Zn软磁铁氧体以及25 Ω、16.7 Ω的同轴电缆,成功制作了能够用于1∶4和1...
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| 关 键 词： | BLF278 Ni-Zn软磁铁氧体 传输线变压器 |
Broad pulse 300 W amplifier |
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| Lv Gaoqing,Feng Hao,Wang Chaoyang. Broad pulse 300 W amplifier[J]. Electronic Measurement Technology, 2011, 0(2): 29-31,65 |
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| Authors: | Lv Gaoqing Feng Hao Wang Chaoyang |
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| Affiliation: | Lv Gaoqing Feng Hao Wang Chaoyang(Institute of Radar and Avionics of AVIC,Wuxi 214063) |
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| Abstract: | Focuses on the VHF band push-pull power amplifier BLF278 in the pulsed operation,the output peak power 300 W of the circuit.First understand the performance of the BLF278,focusing on analysis of the power amplifier circuit transmission line impedance matching transformer with a core material design and circuit design aspects.Then select the Ni-Zn ferrite and 25 Ω,16.7 Ω coaxial cable,making the 1∶4 and 1∶9 impedance transformation of the transmission line transformer.The power circuit in the output pulse width of 2 ms peak power output reached 300 W,the performance achieved the desired purpose. |
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| Keywords: | BLF278 Ni-Zn ferriee transmission line transformer |
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