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Re: Raduino as NBFM TX


 

yeah,

i am trying to figure out the simplest way to get on 2m nbfm. not sure which way to go.

- f

On Sun, Oct 29, 2017 at 10:48 PM, William R Meara <bill.meara@...> wrote:
But remember the admonition of the great Cliff Stoll:?

"I guess today's experimenters build things in software, without ever touching a soldering iron. The hocus pocus is inside the program.? It's cleaner this way -- nothing to burn or zap, and you don't need a voltmeter... What happened to home-brewed and breadboarded circuitry? Where's the joy of mechanics and electricity, the creation of real things?? Who are the tinkerers with a lust for electronics? "? ?From "Silicon Snake Oil"? 1995.??

On Sun, Oct 29, 2017 at 1:09 PM, Ashhar Farhan <farhanbox@...> wrote:
I was thinking that it could be entirely done in software. The audio can be coupled to an analog input of the arduino. The arduino can sample the analog input and accordingly shift the PLL oscillator. I must try that out too.?

- f

On Sun, Oct 29, 2017 at 6:29 PM, Pete Juliano <jessystems@...> wrote:
Hi Farhan,
?
Very nice. It only gets better. Maybe when 10 Meters comes back there may be an interest in NBFM in gear other than VHF and UHF.
?
Pete
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Sent: Saturday, October 28, 2017 11:48 PM
Subject: Raduino as NBFM TX
?
By adding a couple of components, the Raduino can become a very stable NBFM transmitter. I just blogged my build :
?

?
This will work equally well with the qrp-labs Si5351 too.
?
- f



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