Change variable capacitor

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#1 21665198 09 Dec 2012 13:28

Edson Lemos Edson Lemos

Anonymous

Post #1
21665198 09 Dec 2012 13:28

How to change a variable capacitor with a varicap equivalent?
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#2 21665199 11 Dec 2012 07:16

David Adams David Adams

Anonymous

Post #2
21665199 11 Dec 2012 07:16

First you need to know the value that you are replacing - then determine the varicap you want to use. Keep in mind though varicaps do not come in large values. You may pave to put a few in parallel. to get the higher values. The other problem is that you need to be able to apply reverse bias DC voltage to them. Your circuitry will determine if you can do this.
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#3 21665200 11 Dec 2012 10:32

Edson Lemos Edson Lemos

Anonymous

Post #3
21665200 11 Dec 2012 10:32

Thanks for the info. God bless you.
#4 21665201 12 Dec 2012 14:44

Steve Lawson Steve Lawson

Anonymous

Post #4
21665201 12 Dec 2012 14:44

Some examples of how it's done (assuming your case lend itself to this as David said)...
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Change variable capacitor

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