[ARC5] Resistor Excursions

[hwhall@aol.com]

 Remember, there's some flexibility in what's needed for the parallel resistor, since the original target value is usually +/- 10% or more.WayneWB4OGM
    On Tuesday, March 26, 2024 at 03:43:19 PM MDT, Ken Gordon <kgordon2006 at frontier.com> wrote:  
 
 On 26 Mar 2024 at 14:49, releazer at earthlink.net wrote:

> I think we all know how carbon resistors can increase in resistance
> over time, even when they are not even in use.  I have been working on
> a BC-348-N that is fairly original.  I was trying to figure out how
> the filaments had been rewired to 6.3V and while I was at it checked
> the value of some resistors.  The one that really surprised me was the
> 15K one that measured at 28.8K.  I thought perhaps that was an error
> in the manual but found that even the 1957 manual update still showed
> it as 15K.  And yes, I have checked my VOM for accuracy in the Ohms
> range.  I have been soldering modern resistors in parallel with them,
> which is much easier than trying to remove the old ones.
> 
> Wayne
> WB5WSV    

Wayne: I come up with your needing to parallel that 28.8 K resistor with a 31.3 k resistor to 
get ~15 k.

Is that what you get?

Ken W7EKB
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