☑ Pin Diode Model Hfss

The paper presents a procedure to model a pin diode rf switch using a full wave em solver hfss. You create a lumped port at the point where you are about to place the pin diode it usually connects two metals.

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The values of the r and c can be extracted from the measurement of the pin in a transmission line or from the datasheet see.

Pin diode model hfss. Hello i need some help in the simulation of patch antenna with pin diode my question is how to add the pin diode in my design on hfss 13thank you. It utilizes the switch to build a simple partial ground plane antenna with an omnidirectional radiation pattern. The pin diodes is simulated with hfss as a lumped port with r and c.

The procedure for this is described in our dynamic link workshop. In case you are interested how to use s2p file of a pin diode in hfss here is how to do it using the new feature circuit elements on hfss 192 release. The s2p file can be connected to these ports in circuit.

I saw some papers that use a pec sheet in hfss when diode is on and no sheet when diode is offalso you con use a sheet with rlc boundary condition in hfssi mean when diode is on you can give a. Let us assume that a frequency reconfigurable microstrip antenna has been designed in cst or in hfss. After that the pin diode can be modeled in hfss depending on its off or on state.

Right click on the circuit elements create single port model. After that you need to look for the equivalent inductance capacitance and resistance shown in its datasheet. For frequency reconfigurable purpose two pin diode switches have been used in the patch.

You may place ports in your hfss model where youd like to connect the pin diode.

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