Hi guys ! The newbie is back ! Some news : PSU of the 485 delivers proper Low Voltage, I had to adjust the calibrator amplitude (the 5V was out of spec +/- 5mV). I've been checking (visually) several

I have read a copy of the email from Mark Fletcher very carefully line by line. (although I am annoyed I did not receive a copy sent to me directly). As I understand it these price increases DO NOT AP

Carl Hallberg added the album Tektronix 214 storage scope: Converted internal battery operation to external 12 Volts source #Tektronix214 The following photos have been uploaded to the Tektronix 214 s

Is this relevant to this group? [HP-Agilent-Keysight-equipment] Massive groups.pricing increase - we need a plan B. However, it seems that groups.io are going to be changing their pricing https://beta

The ongoing discussion of the power supply tester has caused me to investigate the TM-500 series. I found it interesting, was able to get some items, and am interested in buying an SC501 scope and oth

Greetings to all, I have an old T912 that no longer shows traces on the CRT screen. I checked and the 2.7 KV on the cathode of the CRT is missing. By disconnecting the diodes CR463 and CR465 from the

The coketron, a CRT made from a coke bottle, made me smile her in Albuquerque... -- John Griessen -- building lab gear for biologists

I entered all 72 tracking numbers to see what was going on with domestic book deliveries. One package is awaiting another attempt at delivery to the recipient in Fairfield OH. These 15 of 72 packages

If you have NOT received Peter Keller's book by now please contact me off-list at dennis at ridesoft dot com and I will see if I can locate it for you. Include your zip code in your email. If you DID

Hi, Have a late model 2465B. Noticed today that the focus point for the readout is at one point on the focus knob. But it I also want to get an optimal focus for the trace, I need to turn the knob to

Dear group, I am fixing a deaf 7L18, it is responsive to a 510MHz signal injected into the second mixer, I still have to test the 510MHz IF, I am anticipating that the first mixer diode has failed (li

The first of the international shipments of Peter's books was delivered this morning in The Netherlands. Another one is out for delivery this morning in The Netherlands. The one that went to Japan is

Hello Guys, i need help with my Tek 576. Theres something pretty strange with the step generator... On some settings of the number of steps the lines start to flicker/jump around like something is not

Hi Tek folks, Working on a 760 D, when I got it the power supply was cycling and the high voltage would not come up. Lifting the output of the quadrupler let the low voltage supply come up, so I assum

John Glass please contact me; your email address fails. -- Best wishes, Larry McDavid W6FUB Anaheim, California (SE of Los Angeles, near Disneyland)

This looks pretty good. I don’t know anything about the seller though. https://www.ebay.com/itm/Tektronix-1S1-Sampling-Unit-Oscilloscope-Plug-In-Module-Free-Shipping/393086861150?hash=item5b85cd7f5e:g

I just discovered the printed receipt I received from the post office last week (when I mailed Peter Keller's books to US addresses) contains Estimated Delivery Dates. It estimates that ALL of the boo

I'm not sure if I'm just holding it wrong, or if there is something terribly wrong with my 2236, but I noticed that the 2 mV and 5 mV ranges on both channels read exactly the same. I first noticed it

I've been trying to run through the calibration process for the 475A that had a blown Z-axis amp, and I've run into trouble right off the bat. I was unable to get a visible spot on screen at the +15 V

Hi, I'm wondering if what I'm seeing is normal or not. I had some narrow pulses wide apart to display, it was give or take 1kHz and spikes were some 20ns wide. When I used the delayed B sweep I could