[AMRadio] Power Resistor


Jim Wilhite w5jo at brightok.net
Mon Mar 21 08:40:15 EST 2005


It appears that is what will be required.  I was hoping to find the exact 
resistor to save drilling new holes and such but I don't think that is going 
to happen.  Thanks to all who provided help and inspiration.

73  Jim
W5JO





>
>
>>    You could buy the 25K, use your old clamp to tap at
>>20K, and the new tap for whatever you need. That would
>>cut the rating to 40 watts however..
>>
>>     Alternatively parallel the 25K 50 watt with a 100K
>>fixed 10 watt, and you got 20K with an adjustable tap!
>
>
> You might be able to just substitute the 20K with a 25K and it would work 
> fine.  Depending on its function in the circuit, the value of a resistor 
> is often not critical.  I  made a similar substitution with the voltage 
> divider in the bias supply of my Gates BC1-T and could tell absolutely no 
> difference.  In older rigs with carbon resistors, some the resistances may 
> have shifted a greater percentage than that, but the circuits still work 
> OK.
>
> Don k4kyv





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