[time-nuts] PICPET- was Affordable (cheap) COTS (etc)

Tom Van Baak (lab) tvb at leapsecond.com
Wed Jan 22 21:10:16 EST 2014


Hi Bob,

It's pretty easy to get a tiny PIC or AVR down to 50 ns, so to me the next sweet spot would be 1 or 2 ns. A couple of us are trying. Contact me off-list re the dsPIC33.

/tvb (i5s)

> On Jan 22, 2014, at 5:53 PM, Bob Stewart <bob at evoria.net> wrote:
> 
> Tom,
> 
> Do you know of any other PIC projects that get a greater resolution?  I was thinking of doing something with a dsPIC33 running at 140MHz or greater, but I'm not sure I want to devote the time to if it's it's been done.
> 
> Bob
> 
> 
> 
> 
>> ________________________________
>> From: Tom Van Baak (lab) <tvb at leapsecond.com>
>> To: Robert Atkinson <robert8rpi at yahoo.co.uk>; Discussion of precise time and frequency measurement <time-nuts at febo.com> 
>> Sent: Wednesday, January 22, 2014 7:39 PM
>> Subject: Re: [time-nuts] Affordable (cheap) COTS / eBay kit for TIE / 1PPS phase comparison
>> 
>> 
>> As much as I'm fond of my picPET it has 400 ns resolution and not intended to replace a 5 or 10 or 50 ns TIC (which is what the OP asked for).
>> 
>> /tvb (i5s)
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