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[ADS] Spiral inductor with SRF below the operating frequency

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pragash

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im designing 2.4GHz filter. i have optimized my filter with murata s-parameter files and spiral inductor in ADS. However, the optimized spiral have SRF within or below the operating frequency so its its shows negative inductance in the operating frequency. i know that the Q will be low due for negative inductance after SRF. what are the impact of using negative inductance for Rf filter?

can i replace the inductor with capacitor to solve this problem?
 

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