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Altera_Forum
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16 years ago

Can't generate 20Mhz clock from Cyclone III Starter Kit

I'm using the Cyclone III Starter Kit along-with some ADC & DAC chips. These chips demand a 20 MHz input clock, which I intend to generate from my Starter board. After going through the "my_fir...
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Altera_Forum
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16 years ago

Ohh ... turns out that I got too hasty in putting up the above post. Its my mistake.

The silly thing was, that with my original oscilloscope X-axis setting put to (20 ms / div), the signal was still appearing 5 divisions periodic, but jittery -which led me into believing that something was wrong.

But just after I posted the above message, I checked correcting the X-axis setting to (10 ns / div) and now the signal turned out to periodic again with 5 divisions ( = 10*5 = 50ns => 20 Mhz), and this time .. stable as well.

Couldn't find any option to delete my previous post, hence this apology. Sorry !

(perhaps the admin can delete this thread to avoid further confusions)