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Thanks, Walter. FYI: Also available on Tekwiki: https://w140.com/Ge1961TunnelDiodeManual.pdf Raymond

For those looking for a sophisticated and free schematic capture/pcb tool, KiCAD 6.0 just released. I downloaded it today and tested it (Ubuntu), so far it looks amazing, with huge libraries and a

The following files have been uploaded to the Files area of the [email protected] group. * /GE_Tunnel_Diode_Manual.pdf ( /g/TekScopes/files/GE_Tunnel_Diode_Manual.pdf ) *By:* walter

Worked just fine here. Thomas. man. 27. des. 2021 kl. 17:06 skrev KB2LMN <acurlik@...>: -- With Best regards, Thomas S. Knutsen. Please avoid sending me Word or PowerPoint attachments.

This topic has come up often, and it's clear not everybody has a curve tracer, but many have a need to know if the TD in their gear is good or bad. I just tripped (virtually) over a copy of the 1961

Shows as address invalid Andrew

Not much to interpret in terms of TDR in your pictures. Remember, a TDR shows impedance *discontinuities*. If you connect everything nicely terminated, there won't be much to see. Read your manual for

This is a very clear, informative and easy to understand video (as always with Alan). It makes you aware of what to expect and how to get there. https://www.youtube.com/watch?v=Il_eju4D_TM Raymond

Hey Stephen, Why don't you read up on the basics, indicated and described by several on this Group in this thread. Pointers like general TDR principles, ideas and setups, Alan Wolke (W2AEW)'s videos

Hi all, Just wanted to remind everyone that the chat server is alive and kicking. You can join via this invitation link: https://discord.gg/7SdPZ5us After you join you don't need an invitation link.

is the cell 3.6v?

I don’t yet know how to interpret these, but I made 4 more pictures that vaguely resemble the ones Miguel uploaded earlier. Cable is a 6” 50Ω load and SMA to BNC adaptors. Nothing fancy. Experts,

Hi have tried the cable that comes with the nanovna p4 and I only see a little difference of few picoseconds, 4ps In the photos you can see de difference between a cheap and a microcircuits 50R SMA

I opened up the 7623. As suspected, there are no WIMA caps in there. I did, however, found the problem. Years ago, I installed the push button illumination mod. The 2 wires coming from the LM309K

I understand Peter. I’ll try to have some more available when I have more time. Right now I’m fixing my 7623. Thanks again.

Subject says it all ,,,thanks for all the replies

I misread you posting. You are in the USA? If yes, I’ll take it for shipping.

Pity! I have a spare attenuator assembly but I live in the USA. With international shipping, the two are destined for separate lives!

I placed a pic in the photos 465 issues album of my resistance and voltage reading. I used a fluke 8842A and got much better readings.

I have a 7A29 plug-in (parts or possibly repair?). It is not working has a balky V/Div switch. When I opened it up for a visual inspection 3 small plastic pieces fell out (one is clearly a broken