Spice with z, y, s, and abcd paramaters

  • Thread starter sandy.bridge
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In summary, there is a program called SPICE that can analyze circuits in terms of z, y, s, and abcd parameters. It can also provide the parameters for a circuit as a whole, including a transistor with a resistor. LTSPICE is a recommended SPICE app.
  • #1
sandy.bridge
798
1
Hey all,

Is there some sort of program that allows one to analyze circuits in terms of z, y, s, and abcd paramaters? A lot of my microwave course revolves around analysis in this fashion, and I want to ensure that I am determining the correct paramaters for a given set up.

As an example, in the image we have a transistor with a resistor. The transistor (alone) has the impedance matrix shown in the image. Is there a program that can tell me the z, y, s, abcd parameters of the circuit as an entirety? I can do it by hand, but I'd like to check my answers.

Thanks in advance,

sandy
 

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  • #2
Yes, the .NET statement in SPICE will compute all of that. I confess I have never used the .NET statement...
If you need a SPICE app, google "LTSPICE".
 

1. What is "Spice" and what does it have to do with z, y, s, and abcd parameters?

"Spice" stands for Simulation Program with Integrated Circuit Emphasis. It is a computer program used to simulate and analyze electronic circuits. The z, y, s, and abcd parameters are used to represent the characteristics of linear circuits in Spice simulations.

2. How are z, y, s, and abcd parameters determined?

The z, y, s, and abcd parameters are determined through mathematical equations and measurements of the circuit components. They represent the resistance, conductance, capacitance, and inductance of the circuit, respectively.

3. What is the significance of z, y, s, and abcd parameters in Spice simulations?

The z, y, s, and abcd parameters allow for accurate analysis and simulation of linear circuits in Spice. They help to predict the behavior of the circuit and can be used to optimize and troubleshoot circuit designs.

4. Are z, y, s, and abcd parameters the same for all circuits?

No, z, y, s, and abcd parameters vary depending on the specific circuit being analyzed. They are determined by the components and layout of the circuit and can be different for each individual circuit.

5. Can z, y, s, and abcd parameters be used for non-linear circuits?

No, z, y, s, and abcd parameters are only applicable to linear circuits. Non-linear circuits require different parameters and methods for analysis in Spice simulations.

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