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how to calculate trakc width for PCB design at RF frequency ?

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pankaj.patil

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Hello Sir
How to calculate track width for pcb design at RF frequency ?
PCB type = FR4 (Glass Epoxy material)
dielectric constant = 4.5
thickness = 0.8 mm
copper clad thickness = 18 microns

Thank You
 
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BigBoss

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What is your characterictic impedance ??
 

tony_lth

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AWR provide TXLine software to calculate it.
 

pankaj.patil

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hello sir

carrier frequency is 800MHz to 900MHz (GSM Band)
 

keith1200rs

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It is not the frequency that matters, but the impedance (e.g. 50 ohms). I use Appcad for calculating it AppCAD but there are plenty of online tools as well.

Keith.
 

Manjunatha_hv

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Hello pankaj.patil,

Use AWR TxLine to calculate the Width of the microstrip line, for your spec it comes around 1.5mm
The TxLine is free & easy to use...
AWR | TX-Line | Optional Products - TX-Line

Iif you have bends, curves while routing this PCB traces then try use EM simulator for accurate impedance analysis
use Sonnet Lite 13.51 em simulator its again free & easy to use ...
Sonnet Lite

---manju---
 

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