Re: MORE CMC SINGLE CORE DATA
Dave,
Too many!
Because you get too much stray capacitance. Probably that choke with 22 turns on a huge toroid stack has so much capacitance that the capacitance dominates over the entire spectrum,
By
Manfred Mornhinweg
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#20185
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Re: New open source VNA released - excellent performance claimed
It's still in development, Hugen will manufacture it ...
[email protected]> wrote:
By
Dragan Milivojevic
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#20184
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Re: NanoVna H-4 stucks
Since the firmware was made a year ago, please update the firmware to the latest 1.0.45 so that you can use it with the latest software. NanoVNA-App v1.0.205. Read my website for details.
--
*** If
By
Gyula Molnar
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#20183
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Re: NanoVna H-4 stucks
You probably got a device from the first production, the fault of which was that the cover was pressed against the touch screen and due to constant pressure it could not log in either.
What to do:
By
Gyula Molnar
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#20182
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Re: New open source VNA released - excellent performance claimed
Where is Jan¡¯s vna offered for sale?
Thanks!
By
Pomology
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#20181
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Display freezes moving cursor with touchscreen
#nanovna-v2
#crash
Hello,
I have just bought a NanoVNA V2 called 3.2" "black and gold". As soon as arrived, I updated its firmware with the latest on NanoVNA website by NanoVNA-QT,
By
simone
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#20180
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NanoVna H-4 stucks
My new analyzer stucks when I turn it on. Touch Screen do not work.
It generates error: si5351-init failed.
What is wrong?
Version 0.5.0
edy 555
Kernel: 5.1.0
By
ossi.vei@...
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#20179
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Re: Greetings from a new user
I would suggest that the first step would be to Save the original
calibration; which was carried out at the factory, saved into SAVE 0; into
SAVE 4.
(Zero is always loaded when first switched
By
Ray Denton
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#20178
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Re: V2 and V3 roadmap
Will the new models be capable of measuring crystal responses ?
Quote : Note: All V2 versions switch on and off the test signal rapidly and can not measure crystals or be used as a signal
By
Lex PH2LB
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#20177
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Re: Greetings from a new user
Good luck and have fun!
By
mirskym
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#20176
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Re: V2 and V3 roadmap
6ggz?
By
aleks07111971@...
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#20175
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Re: V2 and V3 roadmap
But if you were asking about V2N and V2N4, those were renamed to V2 plus and V2 plus4 and have been available since October of last year.
By
OwO
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#20174
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Re: MORE CMC SINGLE CORE DATA
Manfred:
We're not too far from Salt Lake City, Utah as far as shipping goes. I
remember as a kid coming into this hobby some 50 to 60 years ago, I'd put
together an order to Allied (on a paper
By
W0LEV
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#20172
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Greetings from a new user
Just want to say hello and thank you, my new NanoVNA will be delivered later today. I have learned a lot about it's use already by downloading (and reading) the absolute beginners guide. I see so
By
Jim Altman, W4UCK
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#20171
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Re: [nanovna-f] EFFECT OF CMCs and/or BALUNS on RECEIVED NOISE
In my suburban? location, the noise level on 80m and 40m is quite high and puts the AGC circuit into a non-linear range. rather than using a pre-amp, I use a 24dB attenuator which drops the noise
By
geoff M0ORE
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#20170
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Re: V2 and V3 roadmap
Hugen 6ggz
By
aleks07111971@...
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#20169
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Re: V2 and V3 roadmap
Hi Owo, any further updates on the new products mentioned at the beginning of this thread?
Thanks!
By
Pomology
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#20168
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Re: Balun's in Series...
I found the reference in the Cookbook.
Thanks!
--
Mike, W0IH
By
Michael Foerster
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#20167
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Re: MORE CMC SINGLE CORE DATA
Dave,
I'm green with envy! When I order something, I have to wait one month, AT LEAST, for it to arrive... That's the time it is retained by customs in my country. If they actually pick the parcel
By
Manfred Mornhinweg
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#20166
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Re: MORE CMC SINGLE CORE DATA
Don't blindly trust that presentation! It contains serious errors!
For example, it claims that when you take an air-core inductor and insert an iron core, the inductance will rise in direct
By
Manfred Mornhinweg
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#20165
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