Thanks Dr. Gilmore,
Got a pbc made from the schematic. Played around with R1=120-ohm to get a good-enough sinusoidal wave; adjusting R2 and R3 to 10K to get 76kHz wave. Hand-wounded trafo, not pretty but does the job...
Always want to get a laser engraver/cutter for my Stepcraft CNC rig. This seems to be a good idea. But don't know how turn the laser on (or off), via g-code?
Not sure which version of board do you have. I have a set of un-used, un-populated, on-board heat sinks rev. 0.61 amp boards (two) and rev. 0.9 power board. Bought as a spare set for your type of case (so sorry to hear), but the first set worked out fine for me. I have no plan to use this set at all. PM me if you want to rebuild and we can arrange something out (minimal to your favor).
(Seeing that you're in Norway ad I'm in the U.S., not sure the shipping cost will kill the whole purpose)
Micheal, can you add me/skooby to the PCB list:
4 x grhv, 4 x grlv78**, 4 x grlv79**, 2 x psu main board, 2 x t2 mini
T2 mini board is married right, not separated (one board for both left/right chn)? Thanks for doing this, Micheal! Thank you to Kerry and Joachim for sharing the designs!
May be a help to someone...I once bought a Tek 2213A at a local swap meet but got no power. Took to this gentleman:
Scott Howell ([email protected])
MobileTek
7456 Eton Ave
Canoga Park, CA 91303-1408
Tel: 818 346-6673
Fax: 866 872-8648
He used to work for Tektronix so he's knowledgeable on Tek. He re-capped and re-calibrated my scope. Worked great ever since!
Highly recommended to repair or service Tek. I did this in 2014, not sure if he's still doing it; he's a retiree.
Bought my set of DIYT2 transformers from Richard a few months back, just tell him the Gilmore DIYT2 set (http://primroseaudio.com/transformer-designs/)
*** He gave me only a single 117V primary ***
Pars, the plus is Rean NYS221. That extra front recess is for a guitar strap. I think NYS2203 looks nicer. Mouser got 'em all.
Yes, standard SMD board. I moved everything off-board except for the XLR inputs in the back.