[time-nuts] Cheap Frequency chip with serial output
magnus at rubidium.dyndns.org
Sun Oct 26 16:49:35 UTC 2014
If you look at http://www.radiomanual.info/schemi/FT102_user_VA3VFO.pdf
you realize that the display is the result of a frequency counter being
built in. You could either tap in and count yourself, or you could tap a
whole number of other points depending on what you are after.
Love to get some serial interface into my IC-740, which is just a little
too old for serial interfaces like the younger onces.
On 10/26/2014 03:20 PM, paul swed wrote:
> Thats a mighty old radio.
> That being said reading the frequency of the VFO may or may not work out
> for you.
> The actual frequency will be made up of a number of other frequencies that
> are injected at different stages.
> Drake as an example actually uses the VFO in a plus or add on some bands
> and a minus or subtract on others.
> If you can read just the VFO then at least you have the last digits correct
> accept for the minus case.
> On Sat, Oct 25, 2014 at 10:26 PM, Giuseppe Marullo <giuseppe at marullo.it>
>> just wanted to know if there is any very cheap pre programmed pic or
>> something similar to get frequency of a Yaesu FT-102 radio.
>> I need it to know its frequency, either the VFO alone (sub 6MHz) or
>> possibly its real rx and tx frequency (up to 30MHz).
>> Using the VFO would be easier but then I will have to probe the mechanical
>> band commutator.
>> I know Arduino could be a solution, just wanted to know if something
>> smaller is available, possibly with rs232.
>> Giuseppe Marullo
>> IW2JWW - JN45RQ
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