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Hi Erik. I'm trying to make an antenna analyzer based on the si5351 but i can't accomplished. I'm using a sa612 mixer. I have to scroll in an entire frecuency range. For example 50 Mhz to 100 Mhz. I

Dave, there is a slight problem because I can't find TFT-eSPI version 2.2.16. This version is also not available on github: https://github.com/Bodmer/TFT_eSPI/releases (

Dave, Don't have the rotary encoder installed, and had a compile error in simpleSA.ino at about line 1464: encoderButton.check().? Added #ifdef USE_ROTARY before the statement, and #endif after it,

I used the green SI4432 modules and found that each module is fitted with a small capacitor on the clock line.? I had to remove that capacitor from one module to get reliable operation, but maybe it

Hello Dave, thank you very much for the quick response. Setting an offset of 500kHz resolved the issue with tracking generator. It is still a bit unstable, as it stops to work after a few scans, but I

Hi Joerg, well done on the build. The tracking generator is in the code.? There is a bug in version 0.11 that is fixed in version 0.12 which is close to release, but I don't think that is the problem

Hello John P., thank you very much for all your work on the SimpleSA. I have finally built one using Glen's, VK3PE's, board designs and it is working very well, if you are just putting in one RF

Thanks Gyula, Your remark put me on the right track for another search. For anyone's reference: If you do a : before the python3 -m pip install . the procedure works perfectly. 73, Hans

I suggest you seek help from the nanovna-users group. Booting the nanovna-saver under python under Debian, someone else had a problem with that. Use the "Search" button in the area above the messages.

Maybe slightly OT: I'm trying to install the TinySA-saver utility on Debian 10, but I'm getting an error I can't solve. I cloned the code from https://github.com/erikkaashoek/tinysa-saver and

AVRs are usually speced to 20MHz, a 25% improvement over a standard Arduino

ATmega328p as found on Nano boards are only spec’d to 20MHz. The Arduino boot loader needs to be modified and things like delay() won’t be right. 73, Gary WB6OGD

If I remember correctly 32MHz but that was with an oscillator not a crystal. Going that high will introduce other issues, search on arduino forums ...

If changing the resonator (crystal in Arduino TINY units) how high can we go? I have tried with 27 MHz but some AVR processors do not like to run that fast. _._ wrote:

The same way we used to overclock the CPUs in the 386 era, you replace the crystal :)

There have been some on-line comments about settling time of the Arduino ADC. Simple way of compensating seems to be to sample twice and use the second sampling. Question is how one goes about

Hi Larry, My comment was a little bit of humor to point to power consumption increase and heat with overclocking. Sometimes that can be troublesome so just a reminder to not step in something. I see

My question was serious. ?The thing is almost instantaneous as it is. ?The slow part is connecting the DUT. Thanks, ? ? ? ? ? larry

Resolution in C&L measurements when using the sampling ADC method. It's in the linked document ... wrote:

It keeps your coffee mug warmer? 73, Bill KU8H bark less - wag more