Hi Jim,
Thanks for the extra precautionary information. I had a feeling these were
a bit "fragile". But even more so now.
Generally, my habits here are that I am always aware of static. My carpet
is really good for this! And the possiblity of charges built up on other
things under test, especially after carrying them across the carpet. And
generally, I consider all newer/modern electronics as very prone, unlike
older AC mains tube equipment, but I always have the habit of being aware
no matter what.
Related some, making sure any capacitor completely discharged, just right
before testing.
Chris Reeland
Ladd Illinois USA
Sent from my Samsung Galaxy Tab® S
On Tue, Apr 27, 2021, 12:31 PM Lux, Jim <jim@xxxxxxxxxxxxx> wrote:
> On 4/27/21 9:11 AM, Chris Reeland wrote:
> > Hi all,
> >
> > I have made measurements with my new device.
> > My device is a NanoVNA-F Vector Network Analyzer.
> >
> > This is nice a small compact device, but not too small to use. It has a
> > decent screen size that is very readable and usable for the touch screen
> > functions by your finger. It also has a very decent capacity battery.
>
>
>
> very cool device. One thing to be aware of when working with a TC and
> one of these is that they have *no* front end protection. So static can
> easily destroy them. On the small ones - the Port 1 goes into a 14 dB
> resistive pad, which will help, but on the Port 0 (the one likely to be
> of interest to a TC doing tuning) has just a 50 ohm bridge and some
> voltage dividers.
>
> the NanoVNA2, as I recall, might be more vulnerable because it has some
> RF switches that are directly connected to the ports.
>
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