It's a clever idea, shouldn't be too hard to implement in an equivalent
AVR chip (Tiny12) or whatever. At $10 a pop, given the number of clocks
I have, it'd definitely be worth writing some simple code. I was already
planning on doing the 60hz generator uC code, the colorburst crystal
surprises me, though. Is the colorburst crystal higher accuracy than a
standard cheap 8mhz or whatever? The only thing I know of colorburst
crystals from is that they are popular in 80m homemade CW rigs for
obvious reasons. I also like the sync to line frequency option. I might
add a switch, since they are initially only running this experiment for
a year. If the year ends and they discontinue the experiment, I could
flip the switch and go back to line frequency.
-Adam
On 6/27/2011 11:12 AM, neutron spin wrote:
You are quite welcome. The chip is actually a microcontroller that
coded to produce the 60, 50 or 1 Hz signals. The 60 Hz version will
flip back and forth between the grid freq and the micro. I think it
is a Microchip MCU but not sure. Simple way of ensuring the clock
always has a clock signal. The color burst crystal is still subject
to minor drift but should function well I assume. I am guessing
perhaps around 10 to 20 PPM drift.
On 27 June, 12:59, Larry<[email protected]> wrote:
I recently completed a Kabtronics Nixie clock that uses line
frequency. Now I'm going to have to add a 60Hz generator to it.
Thanks for the link.
On Jun 26, 11:05 am, neutron spin<[email protected]> wrote:
It's a conspiracy between Elm electronics the FERC.
http://www.elmelectronics.com/ebench.html#Oscillators- Hide quoted text -
- Show quoted text -
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