I'm afraid to ask how much he wants for the power cord for the 555? Dennis Tillman W7PF

The JAMMA extenders have been around for a long time. I made one of them myself even though I already had a Tek TM500 extender. The big advantage of the JAMMA extender is its rock bottom price. It wil

Hi Ke-Fong Lin, Why would anyone pay over $1,000 for a GPIB-USB interface if they could get one for $100? Have the people who buy these $1,000 GPIB-USB interfaces been fooled by clever marketing? Or a

Hi Phil, Artek has it. You can buy it on CD. www.artekmedia.com or via email at manuals@artekmedia.com Dennis Tillman W7PF

George Lydecker misspelled Tom Jobe's name in his original post. Tom Jobe was a 15+ year member of, and regular contributor to, TekScopes. He was legendary in drag racing. You can read more about him

Hi fiftythreebuick, All things come to those who wait. 30 years ago the 7104 list price was almost $30,000. Today it is possible to find a used one for $300. You ought to be able to pick up an NI GPIB

Hi Leo, Thank you for your warning about counterfeit NI GPIB-USB-HS adapters. This explains two things about my own experience with the NI GPIB-USB-HS. It came from an acquaintance at the March 2017 M

Hi Roy, The picture you posted to the NI Community Forum clearly says this is a GPIB BUS TESTER so I think you have the wrong idea about what its capabilities are. It sounds to me like it would be use

Hi Sean, Not necessarily. Once again it is more likely that one of the five Hall Effect wires is open. The Hall Effect circuit goes through a completely different path (DC to low frequency) in the P60

Hi Sean, I think that Chuck is correct about the Hall Effect Sensor. Those are extremely simple devices and inherently reliable so I doubt it is bad. The Hall Effect Sensor requires five of the wires

Hi Dwayne, Your solution to use an HDMI cable as a substitute for the P6042 cable sounds like a great idea. Before I do any more damage to my P6042s (explanation follows) I would like to hear from any

This is another reminder that you can't include HTML or photos in your posts. It appears Bob sent part of the HTML that contained the article and photos. TekScopes is text only. I think all the vertic

Hi Bob, Something strange happened when I received a copy of your post to TekScopes. What I received was the sentence "Teardown: The Tektronix P6042 current probe is a classic" followed by a seemingly

Hi Sean, What article are you referring to? A link to it would be appreciated. Dennis Tillman W7PF

Hi Robin, You are referring to the Long Tail Pair which is an incredibly versatile circuit that has been used for over 80 years n tube circuits, transistor circuits, and integrated circuits. Wikipedia

Hi Tom, I just checked on-line dictionaries from Merriam-Webster, Webster's Online Dictionary, Cambridge English Dictionary, Collins English Dictionary, and on and on. They all provide definitions for

The Tek Electro-Mechanical Common Design Parts Catalog (Jan 1989) on page 11-14 "Circular Connectors Multipin - Receptacle" describes it as: Contacts: 3 Female Thread Size: 0.354" Special Features: Sn

Am I missing something? Did anyone look in the service manual for the part number and the manufacturer code number? Dennis Tillman W7PF

Hi Alan, Let me be the first (of many) on TekScopes to congratulate you on winning the MDO scope. I was also less than impressed by all the ballyhoo when Tek chose to make a big deal of the Mixed Doma

Hi Jamie, AFAIK Alan Ainslie is alive and well since he posted a message this past May but since he receives TekScopes in full digest form he may not be aware of this until tomorrow. Dennis Tillman W7