阶跃恢复二极管建模

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SRD的模型一般比较少，可信度也相对低。一般都是根据厂商给的参数进行计算激励电感，谐振回路等，在根据具体情况调试，在梳状谱发生器上，输入的功率一般影响比较大，在设计调试时注意这点就差不多了 9r)5d&,6

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20  
贴个例子，design kit需要从主窗口选择design kit-> install design kit 安装。注意解压缩路径不要有空格或者中文字符 
 
This example contains a downloadable model of Step Recovery Diodes.  
 
There are no well established, widely accepted models of Step Recovery Diodes (SRD). Consequently, the standard ADS distribution does not have an SRD model. 
 
 
Background:  
 
In 1995, Zhang and Räisänen proposed a simple extension to the standard diode model which is capable of simulating the “snapping” behavior specific to SRDs. Although the model may suffer from convergence difficulties in harmonic balance simulations of some circuits, it may still prove useful. 
 
The Zhang and Räisänen model was used in Eagleware App Note 22 Nonlinear Modeling of Step Recovery Diodes Using Verilog-A within the context of developing a user-written Verilog-A module. The actual implementation was left to the user. 
 
ADS Implementation:  
 
Here we provide the Zhang and Räisänen model, implemented as a subcircuit and packaged as an ADS design kit. It is immediately ready to use without any programming. Simply download the SRD Design Kit and install it using DesignKit > Install Design Kits… menu pick in the main ADS window. 
 
Manual-style documentation can be found in the “doc” folder of the design kit. Also, the two examples from Eagleware App Nore 22, namely a comb generator and a 10x frequency multiplier are included in the "examples" folder of the design kit. 
 
System Requirements:  
 
ADS 2005A or later, on any supported platform. The Verilog-A license is not required.  
 

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感谢楼主的分享

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