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Re: Electrical delay
Excellent, thank you. I'll add a note to my manual copy. Alan ________________________________ Sent: Monday, July 15, 2019 1:03 AM To: [email protected] Subject: Re: [nanovna-users] Electrical
By alan victor · #324 ·
Re: Electrical delay
The unit is picosecond.
NanoVNA case with sun shield
Here is a complete case with the Sun Brim. I found 2 screws in my junk box Frank 1 2
By Frank S · #322 ·
Re: Enclosed case
I designed one, but didnt print it yet (printer is in Use) I'll print one, and send pictures. It will fit on the "standard" ones with 2 longer screws. I'll order some screws to have on hand if anyone
By Frank S · #321 ·
Re: Enclosed case
Perhaps overkill, but a 3-inch camera LCD viewfinder hood should work, e.g. this US $8 Goliton: https://www.amazon.com/dp/B00F4UJBEW
By Oristo · #320 ·
Re: Enclosed case
I designed a brim that sticks out about 1" I dont have longer screws (yet) but I'll print one and see how it works. Are you in Raleigh? Frank
By Frank S · #319 ·
Re: Enclosed case
I can make a "brim' that can connect with the screws on top. I'll play with that next
By Frank S · #318 ·
Re: What battery will fit the nanovna
This one from Amazon fit neatly and works well. I hot glued it to the circuit board, and soldered two connections. I have yet to completely dischage it, so dont know the cycle time. I probably have
By Bob KV4PC · #317 ·
Electrical delay
I do not see a specification for the units on electrical delay. I assume they are sec. Does anyone know what the handle is? You can enter numbers and play with the values until the swept display
By alan victor · #316 ·
Re: Enclosed case
Excellent job Frank! Is there any provision or ability to provide a sun shade. I have not looked into any sort of filter lens that might help reduce wash out of the display. Of course you could just
By alan victor · #315 ·
Enclosed case
I made an enclosed case. I have to work on the switch opening.?? It looks pretty good. I have also designed a back that will hold a bigger battery. 1 2 4 4
By Frank S · #314 ·
Re: What battery will fit the nanovna
Mine also came with a 602040 (by measurement), secured by foam tape with no visible labeling. Snug fit.
By Oristo · #313 ·
Re: What battery will fit the nanovna
in mine a 602040 Lipo was mounted.. fits very well it lastt about 4 hours fully charged
By Jempi ( ON7MA ) · #312 ·
Re: What battery will fit the nanovna
the battery in mine measures 26 X 37 X 3.5mm I think it is a couple of hundred mAh. There is some "extra" room for a bigger battery I an 3D Printing a enclosed case for mine, and will see what will
By Frank S · #311 ·
What battery will fit the nanovna
I just received my nano vna today, from Banggood. It was shipped without a battery. I was wondering what battery others were using. I did see some mention about a cell phone battery, but not model
By JIM Rogers · #310 ·
Re: Adding Shields and an SD-card slot
Alot of what I use comes from older surplus or junked electronics such as pagers, 2way radios, printers and cellphones. Not only is the price just 'right' but you would be surprised at the useful
By Larry Rothman · #309 ·
Improved measurement accuracy?
If you wanted to improve the measurement accuracy as you approach 900 MHz, then adapter removal is required. The current 2 cable connection for S11 and S21 cal and measure does not provide that
By alan victor · #308 ·
Re: Received my NanoVNA, but screen just shows up white
Yes, 2.8" ili9341 spi touch TFT LCD can be replaced. The new nanoVNA has been sent by SF Express.
Re: Received my NanoVNA, but screen just shows up white
Hugen, are you the person making the black ones? If so, can the screen be replaced? I attach a couple of photographs Dave Dr. David Kirkby,
By Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...> · #306 ·
Re: Adding Shields and an SD-card slot
I search for a compatible switch; how are they specified? I find some described as SMT 2-pin side momentary. Mostly they have about 3.5mm or 4.5mm pad spacing, but boot pad spacing on my nanoNVA
By Oristo · #305 ·