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Negative Resistance Circuit For Ring Resonator

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hussard11

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Hi everyone
I'm designing a negative resistance circuit using a mesfet with two stubs connected to it to compensate the losses in a microstrip ring resonator.
I need to obtain a -5900 Ohms resistance to completely cancel the losses so my question is: how can I generate a real resistance value of -5900 ohms with the neg res circuit as this one only deliver complex impedance value?
What is the correspondance?
Thks a lot for your answers.
Regards
 

Abhishekabs

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This tutorial will help you to understand how to generaate negative resistance.
 

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