Has anyone ever tried to repair or change the readout resistor connected to the spring pin of a probe’s BNC Connector? Can it even be done? Dennis Tillman W7PF

Chuck Harris wrote on 10/28/2020 2:14 PM: > I used to take my brand new 2465 on a lot of plane flights > as carry-on luggage. <snip> Hello-- During the mid-1970s hijacking wave, I was working for a co

Yes Stefan, I have mine, still use it. I'm using a Metcal PS2E-01 power unit with mine. The power units can be had on eBay pretty cheap these days, and since this older unit produces the same 13MHz fr

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Hello All.Could someone enlighten me with details of a Tektronix TAS 465 two channel Oscilloscope, I have just seen one advertised, and from its picture it looks like e modern digital scope. 73Ken M0K

Hello All.Could someone enlighten me with details of a Tektronix TAS 465 two channel Oscilloscope, I have just seen one advertised, and from its picture it looks like e modern digital scope. 73Ken Wri

Hi all, I got hold of an R453 scope, the rack version of the "transportable" 453. It seems to work as it should, exept for the fan. And one or two rocker-switch-buttons missing. It seems a bit ironic

I have done a lot of these systems over the years, and th9nk a few points are worth passing on: 1. The TM5000 series is totally unsuitable for ramping with a variac due to its power supply design, it

Martin added the album Tek R453 (rack version)

Hi All. I've been trying to get a dump from my three TDS scopes and can't seem to get it to work. The reason I am trying to do this is so I can replace the ds-1650y with fresh ones. I am using the min

Hi all, not exactly a scope, but a Tektronix. :-) I inherited two of these boxes, apparently working. Both have quick-user-guide inside the flap, but I'm unable to find a decent user manual, less a se

Dave's recent post looking for a 2236 CTM readout VFD reminded me I need to mention this. We lost a vacation house in the Santa Cruz mountains during the CZU fires - everything gone, including my 2236

Dear all, I bought the "functional replacement" chips of the Dallas DS1650 and DS1486 to replace the ones in my scope. I have downloaded the the TdsNvramFloppyTools and read the 1486 several times bef

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /DUMP.BIN By: EricJ Description: NVRAM dump from Tek TDS754D (converted to TDS784D). Scope has options 13,1F,

Good day, Among my interests is the original uptake of transistors by companies that were not nominally (at the time, anyway) in the transistor business - customers like Tek (and HP for that matter).

Hello, Today I turned on my lovely 455 just to find a pretty fat and kinda fuzzy trace on screen. Does not look good and well defined as it used. I try to raise the intensity and refocus only to find

PSA: CERAMIC STRIP LOCATIONS WITH RISK OF ARCING IN TYPES 535/545 David Wise October 2020 1. Delaying Sweep chassis, lower left corner. The two rightmost terminals on this strip are +500V and ground r

https://seattle.craigslist.org/est/ele/d/snoqualmie-vintage-tektronix-577/7212143179.html

https://www.facebook.com/marketplace/item/2672172223098237/ Tektronix Oscilloscope model 7904 + Tek Lab Cart model 3 $700 in Lake Oswego, OR

Hi Clark, No. I have been working on something else I need much more. It will be done in 2 weeks and then I am free to start on something else. I would like to make the 7804 Conversion board but first