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Recent content by aminaminy

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    Matching circuit for RF energy harvester

    Hi, You can use LSSP and HB and Zin analysis to measure rectifier's input impedance at a given frequency and input power. Run these analysis and then set the source impedance to be the conjugate of the measured Zin, repeat this process again until you get a good matching result shown on the S11...
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    [SOLVED] How to import s2p file into NPORT element of Cadence Spectre and achieve correct simulation result?

    Yes I figured out that was the reason. ADS supports mixed port but Spectre does not. But that's not problem. Solution is straight forward.: Just design the circuit for desired spec, replace port impedances to 50, Simulate and create the S2p file. Import the output file into the nport element...
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    [SOLVED] How to import s2p file into NPORT element of Cadence Spectre and achieve correct simulation result?

    Thank you very much for your help. Yes I set both ports impedance to 50 ohms for simulation and imported the created s2p file again and this time it gave the correct result for 50 to 600 match.
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    [SOLVED] How to import s2p file into NPORT element of Cadence Spectre and achieve correct simulation result?

    Thanks. it was exactly the reason why data shown was not correct. In this example when I set both port impedances to 600 ohms, It plots correctly. But how should one possibly use the model for mixed port impedances? In this simple example, in order to match 50 ohms load to the 600 ohms source...
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    [SOLVED] How to import s2p file into NPORT element of Cadence Spectre and achieve correct simulation result?

    Thanks for your suggestion. This time I used 10000 steps to make sure everything is fine, But had no luck to see the correct result, and unfortunately the second chart still shows wrong data.
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    [SOLVED] How to import s2p file into NPORT element of Cadence Spectre and achieve correct simulation result?

    In the schematic environment of Cadence Spectre software, I simulate a simple impedance matching circuit that matches a 50 Ω load to 600 Ω. (Schematic1.jpg). The S-parameter simulation(S11) result is shown on result1.jpg. It is clear that the impedance matching is well done at 400 MHz. I save...
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