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Hi, I'm sure it is spoken for already, but I'd like the 2465 manual. I have the PDF, but the actual manual would be nice. Thanks, larry

Thanks for the replies from everybody, here an update; Michael & Albert, thanks for your measurements at the 5V1 & 5V supply. Mine 5V1 is 4,715V (U670) and the 5V is 4,96V (U668). This is a bit lower

Thanks Szabolcs, that's reassuring. Cheers Joerg

I have an old T922 with no HV. T460 winding 4-5 reads 1 ohm and the feedback winding 3-6 reads 0 ohms. Both readings taken with an AVO meter on /100 resistance scale. I am out of ideas here as all

Hi, That is completely normal. The calibrator's waveform is expected to be "bad" in the high range. It is basically there just to give a quick check that you see a signal. The calibrator changes its

Hey, don't discount the 5110's low bandwidth; it's great for audio.? While I appreciate a GHz scope and have several S-4 sampling heads, a 7S12, a 7S11, and a couple of 7000 series mainframes, for

Larry, Before the offer of the free land in Georgia I wore myself out on about 6 acres in SW Virginia, bought. I didn't need to repeat the process! Also that part of middle Georgia wasn't nearly

Thanks for the pointers to 5110 scopes having the same tube. I was lucky enough to have a friend of a friend who had a late model unit gathering dust. I swapped the tube, and now have beautiful,

Hi Rich, This is useful. Your drawing shows pin 42 (GND/CAL) going to relay coils. Pin 46 (SIG_EN) should go to the coil and pin42 should be going to one of the relay contacts. K2 relay enables

Hi Jeff, thanks for your input. I have run all the self tests and the extended tests and they all pass, i.e. everything that I can test from outside the scope appears to be just fine. I guess In have

Considering the range indicated for the calibration/compensation signal tops out at 5 MHz I think that this is what should be expected. I have seen similar rounding off of the compensation square wave

So I had some time to familiarize myself with my new toy. Going through the Operators Manual, I verified vertical and horizontal gains are all spot on. Also got a P6133 probe, albeit without the

I confess to not having read everything in this thread but it seems that a Tektronix 127 will do what is described. If you want to understand the 500 series interface I'd recommend going through the

Adding my pinout diagram for the H2565A hybrid attenuator for anyone who might be able to use it. /g/TekScopes/photo/263498/3222929?p=Created,,,20,2,0,0 Found a parts TDS380 . . .

Dennis, It hasn't got all the answers yet, but we'll get it there. I'm considering what should be added to the 500-series plug-in interface page. You shouldn't have to dig through schematics and

Hi Jeff, I couldn't find anything on the voltage of the line trigger signal when I wanted to know what it was for the LTSPICE model I was making. So I simply measured it on a 7844 Dual Beam Scope I

I am trying to be fair to everyone that has replied. I am doing the requests in date/time order. I will contact everyone who sent in a request, even if it is just an email saying I'm sorry they are

I have the basement. Not just Tek scopes, though there are quite a few (fewer now that I've given some away), but also microscopes (too many), surveying instruments, and my collection of space program

Yes, it is like wet macular degeneration; one can control it, but only by periodic treatments for the rest of one’s life. I found homes for five of my thirteen Tektronix ‘scopes before I moved

Yes, the 475 and 2213 were just gateway drugs. But don’t fight it. Give in to the Tek Side. —Cheers Tom Sent from my iThing, so please forgive typos and brevity.