How to wind a 350nH accurate inductor

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ahmad_abdulghany

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350nh inductor

Hello,
I want to wind ACCURATELY a 300 and 350nH coils,
Can anyone suggest good site with L calculator

Thanks,
Ahmad,
 

Air coil ??
If it's so, use Nagaoka formula that can be found everywhere but these coils will absolutely require tuning.
You can not obtain exactly 300nH+-%0.5 tight tolerance with air coils.Also, these values are not standard values as can be found SMD or any kind..
 
ACCURATELY? - how accurate? - can you measure this accurately? - how accurate is your measurement system?

Standard values are to avoid people having to ask how to make a simple fixed value component.

Standard values ALL have a tolerance. There is no such thing as an exact value in the real world.

Good designers do not require exact values - these are avoided by good design.
The design need only be FIT-FOR-PURPOSE and no better.

Polymath
 
You should use L meter when winding inductors. Formula gives you no guarantee the coil will be accurate wound.
 
In EDA there is software in the link / updownload section...
 

jjohn said:
In EDA there is software in the link / updownload section...
Click to expand...

Well, what's the name of that software? I dont know where's the upload section, please copy and paste download link..

Thanks in advance,
Ahmad,
 

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