anyone know of a source for the blue crt filters that slid in front of the actual CRT ? -bob

I know they are specified in most of the scope calibration documents for scopes 400 series and 7000 series. The cal documents call for 2. I think they are just a high quality 42 inch cable. With a

I was going through the coax cables I have looking for one I could cut the BNC off one end when I noticed two of the cables have Tek part numbers on them. Both cables are 42" long. One cable has a

My analog section works in the "Bypass" mode. When I go back to the standard configuration, analog does not show a trace in "Non-Store", but the digital portion shows signs of life in the form of a

I am following this conversation and working on my 468 as well. It may be beneficial to mention here that when isolating the analog section for testing, as outlined in the service manual; there is an

You have to ask yourself what you want to see. If you want to know the distortion of the "sine wave", you only need at most DC to a few kilohertz of bandwidth. If you want to know the RF on the

They should be ok, as long as you are using only the probe tips, and not the grounding clips to connect to the line and neutral leads of the generator. The probe grounding clips should connect to the

Things have gotten more challenging for air travelers who need to carry expensive equipment rather than risk it to baggage handling or loss. I once had a computer security cable that TSA would not let

I wonder whether optical isolation would work. The photodiode types have very fast response, but can be nonlinear. Though usually used for logic signals, there are optocouplers designed for analog

Not Tek instrument related, but still relevant. During the mid-late 80s I just to often have to travel to remote sites via air travel, and to avoid airport delays used to take everything aboard as

P6009 is rated to 1.5 KV. And for 60 Hz nominal frequency doesn't need to be derated. (It's flat to around 100 KHz.) The can be compensated to the 465's input capacitance. So yes and no. Your

Getting back to a Tektronix question, I have P6009 probes. Wouldn't using those be safe from over voltage outputs (If there are any) of a generator to the 465M oscilloscope? Bob

One quick comment about air compressors. The connector that you use can be a major limiting factor. I had a box of odds & sods that I had obtained over the years & went through them recently when

As requested by the moderator.

And yet, I do. If anyone chooses to ignore, then I'll have less to read, less to ponder, and less to write about. Go ahead make your day, if that's what makes it a better day for you. My day has

Chuck, In actuality the TM5000 has both a Linear supply and a Switching supply. GOD Bless and Thanks, rich!

TM500 has a mains transformer powered linear supply. TM5000 has an inverter powered switching power supply. -Chuck Harris Richard Erlacher wrote:

I’ve not looked inside one of these frames, of which I have several, to see what sort of power supply they have, but I don’t remember anything that looked like a switch-mode supply. They have

May I suggest that the subject of many of these posts should be changed to Switching Mode Power Supplies

Regarding the OP, in the case of TM500/5000 stuff, I'd tend to go with Chuck's recommendation and just plug it in, and turn it on. It would be good to first fire up the empty mainframe, then check the