Tempco KRL

[Christopher List]

> The tempco's that I got from KRL are 1K 1% at3500 ppm. part # C-2AQ and they
> seem to work alright in my minimoog osc. clone unless I'm missing something.
> On Graham Hintons web page he suggests some tempco's from a British firm
> the name of which escapes me at the moment. I have tried to get tempco's from
> Vischay but they said they would have to make them first as they had an 
18week 
> lead time. Are these KRL tempco's the ones you say are not working (Bob
> Zimmer or whomever said they weren't)?

Very strange.....

The tempcos I have are 2K .5%, 3500ppm
A normal 2K resistor works fine in my VCO, so it's not the circuit. Mine are 
part number# 538Q. Since the part numbers seem very different, I will call them 
on Monday and ask what the differences are. With my tempcos, I put them in the 
circuit and as soon as I do the pitch goes nuts when I put my hand near it! 
Sounds like inductance, but I have the non-inductive ones. Not only that, but 
when I get it tuned over one octave, all the other notes are COMPLETELY off - I 
mean not even close. This is with the electronotes tri-square VCO.

I would LOVE to figure this out, or at least get some tempcos that work.

- Chris