Re: Follow-up Antuino question
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Tom
That sounds like an excellent idea.? Should be able to hold the CPU clock to within 1 Hz of? desired frequency.??
You might also change the ceramic resonator to a real crystal in your Arduino NANO boards for? added stability so the H&P does not have to work so hard.
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Arv _._
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On Sun, Nov 15, 2020 at 4:09 PM Tom, wb6b < wb6b@...> wrote: On Sun, Nov 15, 2020 at 01:54 PM, Tom, wb6b wrote:
This is an clever way to use an AVR chip to stabilize a 10mhz oscillator without a pre-scalier. Just use the 10 mhz oscillator as the main CPU clock.
Just a though. If I was willing to allow relaxed expectations for jitter and short term accuracy, I wonder if I could put a varactor diode in the xtal circuit already on an Arduino Nano and then adjust the 16mhz Nano clock to be very accurate; based on the 1 PPS signal from a GPS module?
Tom, wb6b
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