Microstrip terminated with load impedance

Question

Kevin Paulson 2018-1-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/376264-microstrip-terminated-with-load-impedance

评论： Kevin Paulson 2018-2-19

Using rf toolbox I'd like to model a single port network consisting of a microstrip terminated with an impedance. I have tried lots of things with totally unintelligible error messages. The last, and least plausible attempt was:

MicroStrip_1 = rfckt.microstrip('EpsilonR',2.5,'Height',0.0015,'LineLength',0.1,'Width',0.0045); Network = circuit(); add(Network,[1 2],MicroStrip_1); add(Network,[2 2],resistor(50));

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Answer 1

Sharan Paramasivam Murugesan 2018-1-11

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https://ww2.mathworks.cn/matlabcentral/answers/376264-microstrip-terminated-with-load-impedance#answer_299687

The function circuit() is not to create a network, but to create a circuit that can only contain resistor, capacitor and inductor or other circuits. To create a RF network, look into the constructors that are used to create a network in the below documentation

https://www.mathworks.com/help/rf/ug/rf-circuit-objects.html#bqsq4v_-3

For example, rfckt.series can be used to create a RF network in which the components(or networks) are connected in series.

Sharan

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Kevin Paulson 2018-2-19

Thanks Sharan. Despite quite a lot of experience with Matlab, I am finding the RF Toolbox very obscure and difficult to use. If I do as you suggest I end up with a two port network, where I really wanted a single port network. I can combine the 2-port S-parameters to get the S-parameter for a one port network, but I feel like I shouldn't have to do this.

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