I am very curious about the coming V2 Plus4 in a metal case. A V2 Plus5 (5 inch display) would be even better for big handed guys :-) Watching unpatiently every day this group to be informed about new development. The V2 Plus4 will be the best VNA for field use on the market. Keep us informed, please!

73,
Martin, OK1RR

With a stylus perhaps included? Would be nice to have one nested in the case as some of the knock-offs do. I would even opt for a 6" version as there is a lot of data that is too hard to see and pinpoint if doing larger sweeps, like my 6BTV antenna, 3.4MHz to 29MHz. Hard to see much detail on even a 4" screen.
Thank you all for your efforts on these. Amazing stuff.
S.

Spell checked by the NSA.

On Fri, Aug 28, 2020 at 11:51 AM, Martin Kratoska<martin@ok1rr.com> wrote: I am very curious about the coming V2 Plus4 in a metal case. A V2 Plus5 (5 inch display) would be even better for big handed guys :-) Watching unpatiently every day this group to be informed about new development. The V2 Plus4 will be the best VNA for field use on the market. Keep us informed, please!

73,
Martin, OK1RR

Pictures of the V2 plus4 in metal enclosure, with 3200mAh battery inside

After calibration the dynamic range still reaches 70dB to 3GHz, so plus4
will come with a metal enclosure.

Hi Gabriel,

when the v2 plus4 will be available on Tindie?

BR

Predrag, 9A3QV

On Mon, 14 Sep 2020 at 12:28, OwO <OwOwOwOwO123@outlook.com> wrote:

> Pictures of the V2 plus4 in metal enclosure, with 3200mAh battery inside
>
> After calibration the dynamic range still reaches 70dB to 3GHz, so plus4
> will come with a metal enclosure.
>
>
>
>
>

You might want to ponder on the fact why
people want a case (metal or not) in the first place.

On Mon, 14 Sep 2020 at 12:28, OwO <OwOwOwOwO123@outlook.com> wrote:

> Pictures of the V2 plus4 in metal enclosure, with 3200mAh battery inside
>
> After calibration the dynamic range still reaches 70dB to 3GHz, so plus4
> will come with a metal enclosure.
>
>
>
>
>

Hi OwO,
This looks very interesting, when can I purchase this, and how?

Probably 2 more weeks, I think the PCBs are already finished and they
are waiting on PCBA.

On 14/09/2020 21:01, laurent.drozin@primlight.net wrote:

> Hi OwO,
> This looks very interesting, when can I purchase this, and how?
>

From: OwO

Probably 2 more weeks, I think the PCBs are already finished and they are
waiting on PCBA.
==================

Excellent news! Just what I've been waiting for. Love the SMA connectors!

Dragan, I'd prefer a metal box simply for robustness.

Cheers,
David
--
SatSignal Software - Quality software for you
Web: https://www.satsignal.eu
Email: david-taylor@blueyonder.co.uk
Twitter: @gm8arv

3 GHz not needed here, 500 MHz is fully enough for me

BUT

- faster response (4x ...?)
- 4" display
- robust metal housing, preferably diecast
- 70 dB DR is good, more would be desirable (I know, can't be reached...)

is what I'm waiting for.

73,
Martin, OK1RR

Dne 14. 09. 20 v 12:28 OwO napsal(a):

> Pictures of the V2 plus4 in metal enclosure, with 3200mAh battery inside
>
> After calibration the dynamic range still reaches 70dB to 3GHz, so plus4
> will come with a metal enclosure.
>
>
>
>

Dynamic range below 1GHz is higher, almost 80dB without averaging,
approaching 90dB with 4x averaging (speed becomes 100 points/s), see
attached:

OMG! wow, oops! So surprised! Hat off, guys, great work!
I would wait for any info about availability & pricing.

73,
Martin, OK1RR


Dne 14. 09. 20 v 18:09 OwO napsal(a):

> Dynamic range below 1GHz is higher, almost 80dB without averaging,
> approaching 90dB with 4x averaging (speed becomes 100 points/s), see
> attached:
>
>
>
>
>

Bandwidth?
You should put those graphs in marketing material, or something
like Agilent E5071 does in their specs document. Just reading it
after I watched the latest teardown/repair video from "The Signal Path".
You may want to watch that video, some nice closeups of the bridge
design.

On Mon, 14 Sep 2020 at 18:09, OwO <OwOwOwOwO123@outlook.com> wrote:

> Dynamic range below 1GHz is higher, almost 80dB without averaging,
> approaching 90dB with 4x averaging (speed becomes 100 points/s), see
> attached:
>
>
>
>
>
>

It looks like the E5071C does not really use a bridge:  With a 50 ohm DUT there is a large signal on both outputs of the coupling network.  The differencing is all done in the later signal processing.  Its all math!
Some of the low frequency T/R test sets like the HP 35676A used a similar method to get response down to a few Hz.
--John Gord

On Mon, Sep 14, 2020 at 10:30 AM, Dragan Milivojevic wrote:

>
> Bandwidth?
> You should put those graphs in marketing material, or something
> like Agilent E5071 does in their specs document. Just reading it
> after I watched the latest teardown/repair video from "The Signal Path".
> You may want to watch that video, some nice closeups of the bridge
> design.
>
> On Mon, 14 Sep 2020 at 18:09, OwO < OwOwOwOwO123@outlook.com > wrote:
>
>> Dynamic range below 1GHz is higher, almost 80dB without averaging,
>> approaching 90dB with 4x averaging (speed becomes 100 points/s), see
>> attached:
>>
>>
>>
>>
>>
>>
>
>
>

Bandwidth is proportional to sweep speed, it's about 500Hz without
averaging, and 120Hz with 4x averaging.

I'm guessing the price will be around 1.5x the V2_2 based on cost, but
it will most likely include all accessories (SMA cables, USB cable,
possibly battery, and of course enclosure) by default.

From: OwO

Bandwidth is proportional to sweep speed, it's about 500Hz without
averaging, and 120Hz with 4x averaging.

I'm guessing the price will be around 1.5x the V2_2 based on cost, but
it will most likely include all accessories (SMA cables, USB cable,
possibly battery, and of course enclosure) by default.
==================================

I would hope that a battery /is/ included. Nothing worse than opening the
box on Christmas morning and find that you can play with your new addition
because the battery is missing!

Seriously, though, I wouldn't trust many suppliers of batteries, and
wouldn't want to be in the situation of having to purchase a 3rd-party
battery only to face problems with the battery supplier saying it's the
device, and the device supplier blaming the battery. Not to mention having
to open the device and then having to solder something in.

If it means a little more cost, so be it.

Just my view.

Cheers,
David
--
SatSignal Software - Quality software for you
Web: https://www.satsignal.eu
Email: david-taylor@blueyonder.co.uk
Twitter: @gm8arv

Hello,

may I ask the specs of the calkit (expecially the max/typ VSWR of the Load, up to 4 GHz) you think to include (if any)?

Best Regards.

Including a battery is no problem, only shipping will be more expensive
(DHL only, $25 or so) but I'll make sure the option is offered. The
battery is just a standard 18650 cell (see attached).

The load return loss is 30dB up to 6GHz, 40dB up to 3GHz. These are
typical values, they are sample tested only.

ahhhhh ... now we see how a plus looks :-)

i would have guessed you place the cell vertical and behind the lcd
cause when you take a "normal" saa2 and place a 4 inch on it the screen
sticks far out on one side ... more or less exact the room needed for an
18650 ... but ok you placed it below the screen

not a bad idea to use the bigger usb connector (more robust)

sma connectors moved to outer edges (more distance between them) ...
could you lower the crosstalk (s21 noise) that way??

the higher if may increase the s21 noise a bit ... and with a different
layout you could lower it again?? (guessing/shoot in the dark)

the buttons are still between the connectors ... hopefully with a bit
more distance between the buttons?? (a picture from other end maybe
would answer that) ... anyway ... going from the flatpack to round cell
is much safer i think ... what if the flat pack blows up??

so ... we now know how it looks .... not a bad design i think ... so
maybe i will get a THIRD analyzer hi hi (i have an sma version with 4
inch added and an saa2n)

someday we can make an "analyzer shootout" hi hi

greetz sigi dg9bfc

Am 15.09.2020 um 10:58 schrieb OwO:

> Including a battery is no problem, only shipping will be more
> expensive (DHL only, $25 or so) but I'll make sure the option is
> offered. The battery is just a standard 18650 cell (see attached).
>
> The load return loss is 30dB up to 6GHz, 40dB up to 3GHz. These are
> typical values, they are sample tested only.
>
>
>
>

Nice, I want one! with a casing?

yepp

Am 15.09.2020 um 11:52 schrieb laurent.drozin@primlight.net:

> Nice, I want one! with a casing?
>

WOW ... nice numbers ... is that measured with the higher if?? like in
v2 plus??

what if you use the low if ?? could that further lower noise down to 100
db maybe?? (just guesing here)

greetz sigi dg9bfc

Am 14.09.2020 um 16:09 schrieb OwO:

> Dynamic range below 1GHz is higher, almost 80dB without averaging,
> approaching 90dB with 4x averaging (speed becomes 100 points/s), see
> attached:
>
>
>
>
>

From: OwO

Including a battery is no problem, only shipping will be more expensive
(DHL only, $25 or so) but I'll make sure the option is offered. The
battery is just a standard 18650 cell (see attached).
[]
Attachments:
IMG_20200915_185505.jpg: https://groups.io/g/NanoVNAV2/attachment/182/0
[]
===================================

Oh, if it's a standard battery like the 18650 that makes a difference. I
was recalling tales from other devices requiring soldering in mobile phone
batteries. I can save the extra shipping if I want.

Looking at 18650 batteries on Amazon it's amazing to see ones with 9900 mAh
capacity offered! Fakes. Others in the range 1500 - 2600 mAh I might
believe. Does it need the "flat top" batteries - 65 mm total length, no
"pip"? Looks like that from the illustration.

Thanks,
David
--
SatSignal Software - Quality software for you
Web: https://www.satsignal.eu
Email: david-taylor@blueyonder.co.uk
Twitter: @gm8arv

18650 are ubiquitous so that is a great choice.
If the manufacturing of standards is consistent
providing parameters for it would be a bonus.

On Tue, 15 Sep 2020 at 12:58, OwO <OwOwOwOwO123@outlook.com> wrote:

> Including a battery is no problem, only shipping will be more expensive
> (DHL only, $25 or so) but I'll make sure the option is offered. The
> battery is just a standard 18650 cell (see attached).
>
> The load return loss is 30dB up to 6GHz, 40dB up to 3GHz. These are
> typical values, they are sample tested only.
>
>
>
>
>

If they are the same as with the original Tindie V2_2 there may not be much of a point:
- the short is essentially a flush short, with zero delay and probably a tiny bit of inductance
- the open is just a dustcap, it doesn't have an extender pin, so the parameters will depend a more on the female connector (which will have some stray capacitance); a female SMA will not radiate noticably at 3GHz, so you might as well leave it off for calibration anyway
- the load varies anyway

I avoid using the supplied parts for a different reason: it is very hard to keep the center pin from rotating when you screw in the short. This is a good way to ruin the port connector. This is something that should really be improved.

Also, I think for most people a female kit would be more useful than a male one.

On Tue, Sep 15, 2020 at 11:16 PM, Dragan Milivojevic wrote:

>
> 18650 are ubiquitous so that is a great choice.
> If the manufacturing of standards is consistent
> providing parameters for it would be a bonus.
>
> On Tue, 15 Sep 2020 at 12:58, OwO < OwOwOwOwO123@outlook.com > wrote:
>
>> Including a battery is no problem, only shipping will be more expensive
>> (DHL only, $25 or so) but I'll make sure the option is offered. The
>> battery is just a standard 18650 cell (see attached).
>>
>> The load return loss is 30dB up to 6GHz, 40dB up to 3GHz. These are
>> typical values, they are sample tested only.
>>
>>
>>
>>
>>
>
>
>

Good day!
How soon can this device go on sale?

Where do we find this to buy , when available ?

Thanks
--
KD0CAC

These are very interesting news. N connectors are mechanically stronger, but then you need mechanically stronger box too, to attach those connectors. I worry about SMAs when I have long cables or something heavy dangling from VNA. But better mechanics cost mure.