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Re: Recent NanoVNA-H4 arrival
I have an early H4 (from Hugen's store), so I've have no issue re-jigging the case yet again. I do hope Hugen will make available extra shell/mold/cases when he implements the latest design change; I
By va3rr · #17163 ·
Re: Bluetooth HC5 and nanoVNA-H
Looking at the schematic of the rev3.4 pcb I think there may be an issue with using this connection with HC05/HC06 type BT modules. The power pin on P3 is connected to the 3.3V Vdd of the nano. The
By Dave VE3LHO · #17162 ·
Re: SAA2N reviews
On Fri, Sep 4, 2020 at 09:21 AM, Dex W4DEX wrote: Is this device available on eBay from a reputable source? I tried to register with AliExpress but they require a phone number which I refuse to give.
By hwalker · #17161 ·
Re: SAA2N reviews
Is this device available on eBay from a reputable source? I tried to register with AliExpress but they require a phone number which I refuse to give. Dex
By Dex W4DEX · #17160 ·
Re: Bluetooth HC5 and nanoVNA-H
Arrrgh. correcting my typo Which should be "Tx on HC05 to Rx on nano ..."
By Dave VE3LHO · #17159 ·
Re: Adjustable Port1 Output Level #features
On Fri, Sep 4, 2020 at 08:38 AM, Klaus W?rner wrote: The software of the SAA2 has an option to adjust the power. I have not tested, if it really works. ================================ Klaus, VNA-QT
By hwalker · #17158 ·
Re: Adjustable Port1 Output Level #features
On Fri, Sep 4, 2020 at 08:06 AM, @switchabl wrote: It depends. The problem is that adding an attenuator at the test port will degrade the (raw) system directivity by _twice_ the attenuation value. So
By hwalker · #17157 ·
Re: Adjustable Port1 Output Level #features
The software of the SAA2 has an option to adjust the power. I have not tested, if it really works. -- Klaus, DL5KV
By Klaus W?rner · #17156 ·
Re: SAA2N reviews
Offtopic by this point but: There is probably something wrong with the settings at your store as the Aliexpress standard shipping is available for Albania, Macedonia, Bulgaria, Romania, Hungary,
By Dragan Milivojevic · #17155 ·
Re: Recent NanoVNA-H4 arrival
On Fri, Sep 4, 2020 at 07:49 AM, Russ@va3rr wrote: Has the case been modified to allow outside insertion of the micro SD (TF) card? I added the card reader to my H4, but I'm debating modifying the
By hwalker · #17154 ·
Re: Adjustable Port1 Output Level #features
It depends. The problem is that adding an attenuator at the test port will degrade the (raw) system directivity by _twice_ the attenuation value. So while in your case it works fine, if you were to
By @switchabl · #17153 ·
Re: Recent NanoVNA-H4 arrival
Hugen said in his mesg that the case has not been changed yet.It's no big deal to cut a slot - only on one half of the housing - you can nibble away with small sidecutters and trim with an exacto
By Larry Rothman · #17152 ·
Re: Recent NanoVNA-H4 arrival
Has the case been modified to allow outside insertion of the micro SD (TF) card? I added the card reader to my H4, but I'm debating modifying the existing case, or trying to order a new case from
By va3rr · #17151 ·
Re: Recent NanoVNA-H4 arrival
Yes, we installed microSD for the latest nanoVNA-H4 after DiSlord completed the microSD migration. Since we have not completed the modification of the shell mold and have not reserved an installation
By Hugen · #17150 ·
Re: Adjustable Port1 Output Level #features
On Fri, Sep 4, 2020 at 06:38 AM, Bob M. wrote: .. Are there any NanoVNA products, of any version, that have an adjustable Port1 output level? ===================================================== Bob,
By hwalker · #17149 ·
Recent NanoVNA-H4 arrival
Igor Jobim posted on another group that a friend had recently received a NanoVNA-H4 from hugen's shop. He included a photo of the pcb board it it showed that the NanoVNA-H4 his friend received had a
By hwalker · #17148 ·
Adjustable Port1 Output Level #features
Are there any NanoVNA products, of any version, that have an adjustable Port1 output level? My V2 unit's output is -10dBm and while that's great for working with passive networks, it's a problem for
By Bob M. · #17147 ·
I designed an enclosure. #enclosure #battery
Designing the cases required several nights of hard work and design choices has been done in order to : - Accommodate a large enough battery and internal stylus fitting - Have no visible screws on the
By dessimondboris@... · #17146 ·
Re: Network Analysis Webinar: Master Network Analysis Fundamentals by Keysight #webinar #training
Keysight "RF Microwave Signal Chain & Network Analysis" webcast added to External links: /g/nanovna-users/wiki/13116
By Oristo · #17145 ·
Re: SAA2N reviews
Dragan Milivoevich Meggie sent your letter to me. I understood that this was a mistake.
By Aleksander Shalygin · #17144 ·