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Below are all of the forum threads, including all the responses to the original posts. Damien Post subject: balun electrical model Posted: Wed Sep 12, 2007 8:31 am Lieutenant Joined: Wed Sep 12, 2007 8:04 am Posts: 2 I'm searching for an electrical model for a balun (type anaren BD2425J50100A00, a 1 to 1 RF transformer working at 2.45GHz) - not a S3P parameters but a model with mutual inductance, capacitors and resistors - like a P-spice model and how can i proceed to find components value ? Thank you for your help. Top IR Post subject: Posted: Wed Sep 12, 2007 2:50 pm Site Admin Joined: Mon Jun 27, 2005 2:02 pm Posts: 373 Location: Germany I don't think that what you are looking for is available, as this is a passive RF device. The only interesting information of a Balun to my humble opinion are the S-parameters which you only need to model this device in terms of return losses and insertion losses. As this is a passive and not active device there are no junction capacitances or inductances which are used in Spice model. What would you like to know: The capacitance and inductance of the transmission lines of which the Balun is made of? Top Damien Post subject: Posted: Thu Sep 13, 2007 3:23 am Lieutenant Joined: Wed Sep 12, 2007 8:04 am Posts: 2 I already have the S-parameters of the balun but i would like to simulate (in term of current and power) the output of my silicium with the output matching network (on my board). OK it's a passive device and so the model of a balun should be equivalent to a network composed by 2 coupled inductors, 1 resistor , 1 capacitor(or more) ... that's what i would like to find. Damien. Top languer Post subject: Posted: Fri Sep 14, 2007 2:57 am Captain Joined: Sun May 14, 2006 8:53 pm Posts: 17 Location: Earth If you have s-parameters, you could apply these to your model. And fit the values to match the response. Mutually coupled inductors, with series resistance (for line loss) and coupling capacitor (for line coupling) would be a start. Top Jeanalmira Post subject: Posted: Tue Sep 25, 2007 3:08 am General Joined: Tue Mar 15, 2005 11:43 pm Posts: 65 Location: Singapore Hi, To add the comments above, I believe that Microwave simulator ,e.g. Microwave office has the ideal model of the Balun, which you can modify the parameters to match the available s-parameters. And if I am not wrong, this model will enable you to simulate nonlinear analysis (current and power). Regards, Jean Top eran Post subject: balun practical examplePosted: Sat Nov 24, 2007 3:37 am Lieutenant Joined: Fri Nov 23, 2007 11:59 am Posts: 4 Location: Israel Hi, I would like to use this thread and ask where I can find a good practical design example of a balun for L band. Thanks, Eran. Posted 11/12/2012 | ||||||
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