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RF (VHF) chokes - RF Cafe Forums

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tiger
Post subject: RF (VHF) chokes Posted: Thu Mar 15, 2007 6:00 am

Lieutenant

Joined: Wed Feb 07, 2007 3:18 am
Posts: 1
HI

Design a 50W tx tuner filter requires lots of RF chokes, but the chokes i used (20uH Axis chokes) have too low Q factor. so,is there any manufactor have better product, thanks!


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2bitwise
Post subject: chokesPosted: Wed Mar 21, 2007 6:23 pm

Lieutenant

Joined: Tue Mar 06, 2007 2:40 pm
Posts: 2
The distributed capacitance (SRF) and reduced Q at VHF for molded chokes.

You may need to switch to ferrite beads and decoupling resistors to get the rejection you need.




Posted  11/12/2012
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