Re: First PCB pictures of the V2
OK, thanks. Many devices use pin 4 of the microUSB connector as a switching line (ex: cellphones use it to switch to OTG when pin 4 is grounded). Maybe you could use that to route serial to the
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Larry Rothman
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#8377
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Re: First PCB pictures of the V2
Great news, Gabriel. Would it be possible to have a serial interface option that you can select via an on-screen config command? That way, end users could opt to use their own add-on serial to BT or
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Larry Rothman
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#8375
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Re: First PCB pictures of the V2
option to rotate screen 180 degrees: should be doable; I think the ILI9341 has a command to do that without flipping the data. bluetooth: not yet, maybe V3 ;) display size: base version will have a
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OwO
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#8374
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Re: First PCB pictures of the V2
Gabriel, Seeing the uncalibrated phase performance till 3GHz and the S21 isolation level I have to congratulate you with this result. The phase performance is MUCH better then the 3GHz bridge you can
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Erik Kaashoek
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#8372
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Re: First PCB pictures of the V2
On Wed, Dec 18, 2019 at 06:14 AM, Pierre Martel wrote: got a price range for the unit? ==================================================================== Hugen or Gabriel posted previously that the
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hwalker
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#8371
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Re: Cases
Hope the keyboard lived through the experience ;) I'm interested in a case as well. Cheers, Lyle NM6Y "Les Brown" <les.m0lpb@...> wrote: -- 73? ?NM6Y Bickley Consulting West Inc.
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Lyle Bickley
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#8370
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Re: Thermal effect?
Any expensive proffesional instrument needs 30 warmup minutes. It is really ussual. Calibration has to be done after warmup too.
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Juan Pablo EA4CIV
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#8369
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Re: First PCB pictures of the V2
got a price range for the unit?
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Pierre Martel <petem001@...>
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#8368
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Re: Thermal effect?
Yes, I measured with NanoVNA Saver 0.2.0, so having the USB connected is a must. The battery actually was already fully charged at the beginning, so shouldn't be too much of a problem unless the
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Christoph Schw?rzler
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#8367
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Re: errors of "error" models
REF: 17 December 2019 - /g/nanovna-users/message/8335 - Dear Gary: this is obviously another experiment by itself - the objective is to investigate the possibility of an openly edited
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gin&pez@arg
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#8366
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Re: Thermal effect?
did you performed measurement with USB cable connected to NanoVNA? Try to disconnect USB cable to disable accumulator charging. It will eliminate such effect.
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QRP RX
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#8365
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Re: Cases
Thanks Paul for your message, I will add you to the list and put a note on the group when I am ready in Jan. 2020. We can only but try. 73 ¨C All the best for the holidays to you and your family,
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Les Brown
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#8364
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Re: Cases
I would be interested as well. Paul G0VKT
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Paul Sayer
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#8363
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Thermal effect?
Recently, I measured a 30 m loading coil for a short vertical antenna with my NanoVNA. I powered the VNA, calibrated for a span from 9 MHz zu 11 MHz with Nano VNA Saver 0.2.0 and started measuring
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Christoph Schw?rzler
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#8362
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Re: Cases
Hi, As soon as we have a case for testing, I will put the information up on the group. Thanks for your reply, it is good to know that there is interest out there for the case. 73, all the best for the
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Les Brown
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#8361
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Re: Quality of shipped cables with NanoVNA-H
#measurement
#calibration
Hugen was aware of complaints about the quality of the coaxial cables being supplied by clone manufacturers and tried to address some of the issues with the new NanoVNA-H version (see following
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hwalker
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#8360
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Thanks Herb. That will help a lot with my understanding. *Clyde K. Spencer*
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Clyde Spencer
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#8359
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Re: NanoVNA Saver software version 0.2.1 TDR operation
Hello Herb, thank you for answering this! :-) You're absolutely right. The impedance steps are only shown in one direction, though: Going up. I've yet to figure out quite *why*, but I am looking into
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Rune Broberg
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#8358
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Re: Increasing measurement range (ohms) ?
That's wrong assumption. The Injoinic IP53xx chips are working as step-up converters when powered from LiPo, so it's always 5V on mixers.
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Jacon Zar
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#8357
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Re: Cases
Hi Les I would like a case, let me know when you get some done, Thanks Dave Browne 2E0DMB
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davebb123456
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#8356
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