[Boatanchors] Resitors
Rob Atkinson
ranchorobbo at gmail.com
Mon Jul 8 22:39:52 EDT 2013
Try getting pairs of 1 or 2 W. 6 and 10 Meg if possible and parallel
them? Don't know--those values may or may not be even harder to find.
I think there are some other methods for setting up a h.v. audio pick
off involving multiple resistors in series for a voltage divider
network. I don't see why they have to be so high watt. The scope
isn't going to draw much current on the very high Z vertical input.
Rob
K5UJ
On Sun, Jul 7, 2013 at 6:44 PM, <telegrapher at q.com> wrote:
> Looking for a couple resistors, 2 or 3 W, 3.0 Megohm and 5.1 megohm. That is the values in the modulator off the HV line that goes to the scope for looking at the waveform going into the 100TH's. I would have thought maybe they would both have the same value as they are in series but not so according to the color codes. Most stuff these days is 1/4 or 1/2 watt or less. going above that to the 3 + watt level gets a tad bit more expensive. The existing ones of which the 5.1 meg unit is open are what looks like the older carbon type. Now i see they have some glazed glass types. DO you have any experience or knowledge of what these are like or how reliable?
> NOt a lot of space here, maybe 2 inches so putting more than 2 in series won't fit.
>
> Larry
> W0OGH
>
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