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Calculating Physical Length for Quarter-Wave RF Choke - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


jabb
Post subject: calculating physical length for Quarter-wave RF choke Posted: Sat Feb 03, 2007 12:14 am

Captain

Joined: Tue Apr 18, 2006 10:40 pm
Posts: 9
hi...i need to layout a quarter-wave RF choke which is 600 um length (pretty high frequency operation). However, I need to bend the microstrip (L shape) to fit it in the area provided (it's a chip layout). how could i calculate what the physical length would be for this L shape? i suppose it won't remain 600 um. I've a EM tool but I don't just want to guess striaghtaway. i don't know much about microwave so any information will help. also, is it right that it won't matter what Zo of the line is since i'm just making a RF choke? thanks



Posted  11/12/2012

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