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David, Thanks for the reply. I understand your position on this as it would definitely add extra traffic. So, it simply reinforces the importance of proof-reading one's post BEFORE you hit the button

SMA transfer relay For 70U$ (plus shipping): https://mgs4u.com/product/rly-sma-45/ (surplus - only 2 available at the moment) To build a full test fixture, it would be nice to use semi-rigid feed line

Oh, so it's actually a chassis mount plug, and the threads aren't part of the mating system. And you install a jack/jack adapter.

Pretty much, unless it's a Reverse Polarity SMA (used for Part 15 wireless devices to meet the FCC requirement for a "not readily available connector", which was true 15 years ago). There's also an

Hello Larry, thanks a lot for sharing this information and link. Em qui., 4 de mar. de 2021 às 21:46, Larry Rothman <nlroth@...> escreveu:

NO, it is a variant called SMA-RP. The RP is Reversed Polarity, Male and Female connections are reversed. Often used on WiFi applications. Many new builders order the wrong type not knowing about the

Unusual, yes, but a recognised variant, nonetheless. Mike - M0MLM ------------------------------------------------------------------------ *From:* David Geng [mailto:d.geng@...] *Sent:*

This is an expensive device.

They want the adapter to become a consumable item. And do not suffer and re-solder the plug.

Is it unusual for a SMA to have outer thread and inner pin?

But getting one post after another after another labelled "Edited...." can get /very/ annoying for those of use using email! I have disabled that facility on the groups I manage, for the benefit of

At the bottom of each post is a "menu" line. The third choice is "More". If you click on "More" under *your own* post, you can edit that post. -- Doug, K8RFT

SMA

Thanks Roger

yeah, that Omron part is only 50dB isolation at 100 MHz.? Of course, they *are* inexpensive ($5 from Newark). I think if I were laying out a board, I'd go with two SPST switches in series in a

Many Thanks Roger!, Sincerely, Carl

thank you

Yes.. the techniques for layout and getting decent isolation by stacking are well documented. Having access to the VNA's internal tables makes things easier. Trying to build a "test set" and only

Hi Martin, No! Firmware for NanoVNA-H and NanoVNA-H4 is NOT interchangeable. This was already clearly stated in the 2nd post within this thread. However you can find the Hugen firmware for the

You can see that he has -H and -H4 firmware at the link I posted. Make sure you use the right one for your device. The latest -H4 is 1.0.45 and it works nicely with the OneOfEleven NanoVNAapp which