[time-nuts] Frequency Counter using OCXO and MCU

Alex Pummer alex at pcscons.com
Wed Mar 12 14:09:39 EDT 2014

Analog Devices, Linear Technology and Maxim have fast comparators

On 3/12/2014 11:02 AM, cfo wrote:
> On Wed, 12 Mar 2014 09:42:05 -0700, Chris Albertson wrote:
>> There are logic level converter chip made for this purpose or you can
>> use a comparator and compare the 5V clock to ground.  Or just a diode to
>> clip the sine wave.  If you connect a code.   Sometimes you can set buy
>> with a pair of resisters wired as a voltage divider.   I like the
>> comparator best because it will not load the clock.  Diodes will load it
>> for other users.
> Could you come up with some part numbers please.
> Ie. witch comparator would handle 10Mhz
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