传输线脉冲变压器的频率响应
Frequency response of transmission line pulse transformer
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摘要: 采用等效方法简化了多级传输线脉冲变压器（TLT）电路，建立了简单的TLT频率响应分析电路。在此基础上，由传输线两端口网络模型推导得到了TLT的频率响应计算公式，并计算了TLT的频率响应曲线。依据简化后的电路，对TLT的频率响应进行了数值模拟分析，数值分析与理论计算结果一致性很好。两种分析所得结果均表明，次级线电感和杂散电容取值适当时，TLT具有良好的频率响应能力。当次级线电感为6 mH和杂散电容为8 pF时，其频率响应范围可以达到30 kHz~1 GHz。Abstract: Using a referral method, a multistage transmission line pulse transformer(TLT) was simplified, and a simple circuit of the TLT frequency response was also established. On this basis, a frequency response equation of the TLT was deduced from a two-port network model of the transmission line. According to the equation, TLT frequency response curves were calculated. Numerical simulations of the frequency response were conducted in terms of the simplified circuit, and the result of the numerical analysis agreed with that of theoretical calculations well. Both of these two results indicated that the TLT has an outstanding performance in frequency response if the secondary line inductance and stray capacitance are suitable. Particularly, the range of frequency response can be 30 kHz~1 GHz when t
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