Years ago, I bought a 4 inch snooper, and it had an inline amp that made it very sensitive. Screwed up the ID a bit.
I have been hunting for a 5900 SL for a while, and found one, but it has a huge current draw.
Last week, I scored one off ebay, with no coil.,
Hooked it up and...
2 results in 0.0013 seconds.
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Whites 5900 sl and input amplification.
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Sigbal on whites detectors
I had a friend lay out a pcb for me, that implements the sigbal control that is in the whites 5900 schematic.
It is laid out for either through hole resistors or chip resistors. The whites 5900/Di pro sl schematic, shows this as an add on board number 801-1152, so I decided perhaps
I...