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One more thing - the add and invert functions have been included in many scopes over a very long time. You should read the manual - it likely has instructions and examples of making simple

Without rehashing this whole thing, just change your thought picture terminology from "add/invert" to "subtract" - that's what a differential amplifier does. The issue is, how well that subtraction is

I see that I need to clarify further. I thought the topic would be enough, but I should have been more specific, from the replies this topic has received. I wasn't aware what scope I was referring to

More progress. I bypassed the Extended Diagnostics (jumper J713 at "off"). Now GPIB worked! Previously with Extended Diagnostics enabled GPIB did not work. I didn't try that again because each time I

I've also missed things, and had to come back and explain something that was totally wrong. It happens.

Vince They release ones that they a copies for. The cost for a big company like Tek to go back and scan the non digitized manuals is not trivial. Then there is the cost of storing, cataloging, 20 or

Phew, it's available ^^ Thanks for the link. It's nice to see that Tek still keeps copies of its old scopes manuals and make them readily available on their site. It don't understand though, why they

Hi everybody, I missed the reference to "floating" because I got as far as the "vs" and stopped reading because I started explaining the problems you might encounter when using ADD if you were not

That unmanageability is easily manageable if you put the filter mechanism of your email reader to work. What I do, is automatically filter my Inbox to collect all groups traffic, and put it in a

Hi Dennis / and Nielsen (Telecom). @Dennis... Indeed the reference to floating is in the very subject. In fact, Nielsen wrote more about his question on the subject than in the body of the message.

Me too. I have the notifications here set to daily summary, when it was every post it was unmanageable as I use this email for other things. In those daily summaries are direct links so you don't even

It was mentioned in the title. At least he is talking floating the DUT rather than the scope. At times, rare, but when working on an SMPS with opto coupled feedback I have, on isolation of course,

Pity your not looking for RG316

I am using Firefox and not keen to receive too many emails .... so I have set up Bookmarks as per Jeff's suggestion below. I will see how this approach meets my needs. Thanks to all. Ian

I've Each that in Well done with making these available - and at such reasonable price. Craig

At this point we don't even know what model he has.

Ok, All Leveling heads purchased are shipping in the morning. Thanks for your patience. Got slightly swamped having to build and calibrate 10 of these items in the last few days. The Ebay items all

Hi Jeff, I don't believe anything was said about floating in the original post. There is nothing about adding two channels together that automatically involves floating unless I'm missing something.

Hi all, I've been working on some additional replacement feet (besides the 100, 300, and 400 series feet I've mentioned in previous emails) and now have finished product available, which are listed

Floating anything begets you capacitance and radiation and possibly a shock hazard. If you know the limitations and precautions fine, but if your scope uses plugins they are out there and are much