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Hi all, I consider myself lucky, because today my 2221 I bought on Ebay -as defective- arrived. The really good news: it is not broken at all. I assume the previous owner just not knew what buttons to

So, does anyone know the connector pinout on the P620x series? I believe it's a Hirose HR10 series but what are the pins?

TekScopes@...> wrote: Hey David, thanks for the update, and have fun with your 380. Personally I'd never buy a scope in full working order, as that'd deprive me of the opportunity to fix

I bought a 7854, two in fact in the past week, mostly because they are high on the want list for my collection, and they came up cheap on eBay. Going to be interesting, both claim to work, but only

Don't unnecessarily get concerned - it might work just fine and dandy. Mine does, in fact I was using it today to see precisely how lousy BNC connectors can be.

I assume that a failure would be "digital", either it works or it doesn't? I may have my hopes up a little bit high on this one... Tested working S-6 heads seem to go for more than I paid for the 7854

Mine arrived without too - and survived because the guy at least bagged it in antistatic wrap. And yes - not a chance of repair - the business end is an alumina thick film hybrid with 6 chip diodes

I have an update for the TDS 380 I almost removed one of the hybrids but never could get the last few so I decided I would resolder all the joints and put this scope back together to play around with.

I see it now - under CAL07 (R2918 and/or R2931). Thanks! Barry - N4BUQ

I am well aware of that, I do have a bag of terminations on the way as well. Unfortunately the eBay seller does not know this, and it looks like it will be in transit without termination... So it may

pulse LEAST No - it is just a practical length of semi-rigid to go from the S52 to the S6. You have to use high quality semi rigid though - you are trying to get low aberration 25ps rise time through

The readout text is adjusted on the A5 controller board for the 2465B scope. There are two pots, one for the size and one for position. They will not affect the calibration.

One of my new scope acquisitions(currently in transit) is coming with a 7S12/S-6/S-52 TDR setup. Of course no cables. Right now I'm looking at the S-6 manual and looking at the interconnection

Is there a way to center just the text display independently of the trace centering in the 2465B? The both bottom and top lines of text are displaced several mm upward making the top text a bit hard

Some OEMs use 50 ohm BNC connectors for video, because they are harder to damage. Look at the photos of the two types and you will see the differences.

I should have said, no SMA launchers I have used are 0.8mm. https://www.adafruit.com/products/1864 https://www.adafruit.com/products/1864 I need the 1.6mm version though, as the PCB design

Good observations, Dennis. The FR4 is 0.8mm, so there's a little standoff with the SMA launcher. No 0.8mm SMA launchers I know of. The PCB perimeter gap you see is 0.050", not 0.100". Now since the

Yes, you can made a external power supply for the 85024A, the supply voltage for the probe is -12.6V +/- 20% and 15V +/- 20%, otherwise?may damage the probe ( there are regulator inside the box of

Swapping the inputs should reverse the direction of drift if the problem is the channel switch and leaves the Y amplifier closer to its normal operating point. My 7904 (B103172) has the single channel

Thank You Tony! I'm better to make a external power supply, it is easy and I would use the probe with other spectrum analysers. A simple wall AC power with 16V AC and a chinese supply for audio