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Re: Evaluating receiver sensitivity - RF irradiation of TinySA

 

You didn't mention the receiver model. I would guess the sensitivity to be around 0.4uv for 20db S+N:N. That would be -115db.?
For a chart of db to voltage go see:? ? ?

Walt, WD0GOF, WD0GOF.COM
Re: Evaluating receiver sensitivity - RF irradiation of TinySA

 

With only a 30 dB attenuator and the tinySA set to minimum output, you're injecting a -106 dBm signal into a receiver whose MDS is probably around -125 or so. You need more attenuation.


--
John AE5X
Evaluating receiver sensitivity - RF irradiation of TinySA

 

I just need to evaluate the sensitivity of a 144 MHz receiver. However it detects the signal of my (genuine) TinySA?even if I insert a 30 dB attenuator and set the output level to the minimum. The coax cable is an high quality double shielded one, so I guess that the TinySA irradiate too much. What can I do? Am I pretending too much from the TinySA? Thanks
Re: How to update using Mac

 

On Tue, 21 Jun 2022, G4XRZ via groups.io wrote:

On the PC, I just download the file, open the flashing program and press a
button.........
That is why I use
Windows.............................................................. ;)
The most insecure OS in the world, requiring monthly patches to fix major
security defects and previous patches that didn't work? Your choice, I
suppose...

For the record, my Mac is just a client into my FreeBSD server (plus some
stuff like Gnuplot etc); the various BSD systems are probably the most
secure around.

-- Dave VK2KFU
Re: How to update using Mac

 

On the PC, I just download the file, open the flashing program and press a button.........
That is why I use Windows.............................................................. ;)
Re: How to update using Mac

 

What is #, $CD, $?
Can I just drag?darwin-x86_64 into the terminal program? How do I test for right program?
Re: How to update using Mac

 

On Tue, Jun 21, 2022 at 07:39 PM, <fastguido@...> wrote:
The dfu-util -0.11-binaries is what downloaded from sourceforge
Hello Guido,

As I have written in my post /g/tinysa/message/7126
now with more details:

Download
Extract dfu-util-0.11-binaries.tar.xz archiv via double click on the file
Open the Terminal program
# change directory to download folder
$ cd <and drag the folder dfu-util-0.11-binaries with the mouse from Finder to the Terminal> ENTER

# Change Directory to the binary files
$ cd darwin-x86_64

# test for the right program
$ dfu-util -V
dfu-util 0.10
Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2020 Tormod Volden and Stefan Schmidt

# flash tinySA
# Enter DFU mode, when connected via USB
tinySA Menu->CONFIG/DFU->ENTER DFU

Download actual firmware in same folder:

actual: tinySA_v1.3-347-g31eb02e.dfu
# flash the firmware
$ dfu-util -a 0 -D tinySA_v1.3-347-g31eb02e.dfu
# Reset tinySA

# Later copy the dfu-util? folder with the libraries (darwin-x86_64) to a convenient place.

73, Rudi DL5FA
Re: How to update using Mac

 

The dfu-util -0.11-binaries is what downloaded from sourceforge.
Re: How to update using Mac

 

Hi Guido,

It depends on the actual name of the file you downloaded.

It might be a binary file which can be used directly or it might be compressed and will need to be uncompressed.

Then you will need to open a Terminal and access the file to see that it runs OK.

Let¡¯s get there first before going further.

Take car,

Larry
AC9OX
Re: How to update using Mac

 

Ok, finally got the dfu-util downloaded, now what?
Re: #bug_report EXT GAIN #bug_report

 

You change the SW to use the? audio? gpio in any way you want
--
For more info on the tinySA go to https://tinysa.org/wiki/
Re: #bug_report EXT GAIN #bug_report

 

Awesome idea. Would be good if he had construction info and schematic of how its put together making a service monitor.?

Don? ? ?K5ZRQ?
Re: #bug_report EXT GAIN #bug_report

 

Erik, good morning.
?
A technician here in Brazil made a mini service monitor using tinySa. https://youtu.be/9D_nDHF70lk
?
I loved his idea of him and I want to do the same in one of the 4 tinySa units I have. Haha ha.
Is there a possibility of an analog port, (if there is still a port available) to access the presets through a resistive scale?
Or if you still have a single digital GPIO available, could that GPIO access preset 1? This would be interesting so that the adaptation could select the attenuator and more settings for a specific use.
?
The idea is that, through a switch with several positions, we can select the presets without having to click on the screen.
?
If none of these options is possible, perhaps the feature of keeping the external attenuator would already be of great help in the adaptation project.
?
Thanks.
Re: How to update using Mac

 

Dump safari and use Chrome. Problem sorted.
Re: Test 6: Above Fail

 

¿ªÔÆÌåÓý

My answer to my volunteer workers is; "I woke up this morning and didn't see any police tape around me, so I know it's going to be a good day".

Mike C.

On 6/17/2022 7:02 PM, Tim K4SHF wrote:

How true! I have to take any solder jobs over to a friend. My hands shake unbelievably and I'm only 68, figured I had another 10 years to go and hopefully longer than that...
But I keep waking up on the green side of the grass...that's a good start to my day.
Every Day Is a Gift!

Tim? K4SHF


On Fri, Jun 17, 2022 at 6:13 PM Terry Perdue <K8tp@...> wrote:
Good vision is only half the equation. A steady hand is also necessary. Both get worse with age.


On Jun 17, 2022, at 2:27 PM, Robert Entwistle <rentwist@...> wrote:

?Hi Guys,

FWIW, all I do in DIY kits is SMT, I am 62 with very bad vision myself.? A B&L Stereozoom (4) stereo microscope is essential.? I have no trouble doing TQFP's, QFN's, down to 0402 passives, SOT-23's SOT-363's, etc.? You can too!

73,

Robert, WA2T

Erik is a man of high patience #tinysa

 
Edited

I am at the end of mine.? The largest YouTube technical site on earth has some sage advice.? AvE even had some stickers made to reduce the ignorant, inane, lazy and just plain stupid people from his life:? I would post this on the order page for the TinaySA:?
Re: How to update using Mac

 

On Sun, Jun 19, 2022 at 07:16 PM, <fastguido@...> wrote:
tried to download, but Safari won't allow me to, "connection not private"
Hello Guido,
I tried the download at an actual iMac with Safari.
Safari asked me, if I realy want to download the file.
I clicked on Yes, and the download started.
After removing the extension .xz a double click unpacked the archive.
73, Rudi
Re: How to update using Mac

 

Sometimes you have the option to go to an advance screen and ¡°allow¡± the connection. ?Sometimes you can adjust options within the browser to allow the connection.

Mostly this is a ¡°protection¡± to preclude you from being scammed¡­

For Macintosh:

1-Search Google for ¡°Safari connection not private¡±

2-If you have Chrome or Firefox browser(s), try them.

3-Call Apple Support (free) and ask for help (also free) and they will talk you through it.

Larry
AC9OX
Re: How to update using Mac

 

"connection not private"
Yes, safari does that to me all the time, even on a PC! I do not u derstand it.
Re: How to update using Mac

 

On Fri, Jun 17, 2022 at 08:37 PM, Rudi wrote:
https://sourceforge.net/projects/dfu-util/
I tried to download, but Safari won't allow me to, "connection not private"
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