[time-nuts] GPSDO - Does it work?

[Brian Alsop]

Without terminating the cable in 50 ohms, you're getting reflections 
that the counter sees as additional peaks in time.

To see much at all one needs 12 digits of resolution.

Brian

On 7/15/2013 20:46, Bob Stewart wrote:
> Hi Mark,
>
> I just tried a10 second gate, and it's still the same, though the 4.9999999 happens less often.  Could it be related to the fact that this is a TTL signal?  If I don't set the 50 ohm Z button it counts double - i.e. 10MHz.
>
> bob
>
>
>
>
>
>> ________________________________
>> From: Mark C. Stephens <marks at non-stop.com.au>
>> To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
>> Sent: Monday, July 15, 2013 3:06 PM
>> Subject: Re: [time-nuts] GPSDO - Does it work?
>>
>>
>> Slow the Gate time down.
>>
>>
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Version: 2012.0.2242 / Virus Database: 3204/5992 - Release Date: 07/15/13