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analog predistorter using pin diode

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omegahijack

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is it possible to make a analog predistorter using pin diode????
 

Yes, but you gave no details about your application. PIN diodes function like variable resistors in RF and microwave circuits, typically >20 MHz.
What do you want to do? Any variable resistance device can offer a non-linear response needed for "predistortion".
 

I do not think so. PIN diodes have long carrier lifetimes and thick I regions so that they do not respond well to the RF signal across them. You need something that has a quicker response time, such as schottky diodes
 
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