THE most valuable piece of test gear on MY bench is my trusty Variac. I
run mine through an isolation xfmr, and use the heck out of it. Mounted
it in a nice box with ACV and ACA meters (EICO made one like this),
"standard spacing" banana jack outputs, AND a single 117vac outlet. I
also have a plug-in bridge rectifier (again, using the standard-spacing
banana plug & jack config) with a big cap I can parallel on the output,
that provides up to about 145vdc @ 4a of HV if I need another source.
Simply put - if your amps go up faster than your volts as you're bringing
it up from ZERO, it's time to begin looking HARDER.
Number two is an ANALOG type VTVM - you can't beat a swinging needle for
peaking circuits quickly.
Number three is my old Kenwood TS-430S (used as a receiver) - great for
finding out if that oscillator really IS working. - quicker than a counter
which comes later.
Soldering iron AND a soldering GUN - yep... old receivers used
solder-to-the-chassis grounds a lot, and they're pretty tough to get hot
with a soldering station.
My old HP-606A (great signal generator) was analog of course, so I made a
minibox with a .1 cap in series with the gozinta and the gozouta - with a
pickup loop for a counter - it's easy to zero up that way.
Like the earlier poster said "Just Do It"
Tom
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