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On 3/17/25 07:59, Dave McGuire via groups.io wrote: > On 3/17/25 00:02, Radu Bogdan Dicher via groups.io wrote: >> Having done enough (red) eye cracking smd soldering jobs or inspections in case of

Hello Ulf, The HP "ASCII" files can be converted to a Windows txt form with HPDIR. I wrote some time ago a small Windows utility that is doing this, also in batch mode (multiple files at once). I

This is a common failure point on these.? Simply removing and reinstalling the connector to the backplane board on mine returned it to specified voltage.? I then cleaned it with denatured alcohol

If you do consider getting a stereo microscope then I'd recommend something with prism lenses as this allows a more natural viewing angle. This does come at some expense of optical quality compared to

In the case of the Mantis, I would recommend to 'try before you buy' as the Mantis doesn't suit everyone. At work opinions are divided, some people avoid using the Mantis as they get distorted vision

The Mantis by Vision Engineering. On the prototyping bench I moved from a Nikon SMZ-1 with an after-market LED ring light to a 1st-generation Mantis about ten years ago, and upgraded to a Mantis

If you have an opportunity, check out a Mantis. Sometimes you can find good deals on used ones. They are absolutely amazing - a binocular scope without eyepieces. There's been a lot of writeup on

I used an old 9122 Disk drive. Was able to read the disks and uploaded the zipped contents a few moments ago into the group files area: HP-200 Computer files used by 8566 and 8568 Spectrum analyzers

Agreed wholeheartedly. I bought a second-hand Leitz stereo microscope many years ago and have used it for all my SMD soldering. About a year ago I bought a LED ring light and that really made a

I agree with Steve Hendrix, stereo or binocular zoom microscopes are key to good eye hand coordination which requires depth perception lacking on 2D displays used with digital microscopes. Joe

p. 6-36. 4 * MP101, 6-32. G?ran

Dear Bill, Many thanks for the update. My 8643A has displayed this fault code from time to time. I will check the connectors carefully when I take it out of the rack for oven power supply

hello all I have a hp8970A meter that has been turned off for a long time. I turned it back on and I know that the internal attenuator needs to be recalibrated with the special command function SP

There's also a 3.5mm standard thread, used on IEEE-488 connectors, that might be a possibility. Steve Hendrix

I have used a stereo zoom microscope from Titan Tools for several decades, for soldering mostly down to 0603, sometimes 0402, and occasionally 0201. Stereo, because you really need the depth

Radu, I picked up a Tomlov brand digital microscope that is handy for soldering and board inspections. There are several styles available on Amazon for prices as cheap as $70. The advantage to it

It is likely that they are imperial 6-32 pan head pozi-drive ( looks like a Phillips head, but slightly different.) The outside dia. of a 6-32 screw is about 0.138 inch (~3.5mm) and 32 threads per

With all the amazing improvements to the optics and imaging electronics over the years, I don't think you'll have much trouble there, except for assessing and deciding. Even in low-light conditions

My 8643 failure message indicated 5V supply failure. Voltage at test point measured 4.9 volts. I replaced all the capacitors in both switching supplies of the 8643A. Both supplies checked out OK

Nice. I hope mine works as well when I eventually get back to it.? Ed