[time-nuts] Buffering a PPS signal

Azelio Boriani azelio.boriani at screen.it
Fri May 18 11:55:11 UTC 2012


Use the 74ABT2244: integrated resitors at the outputs.

On Fri, May 18, 2012 at 4:50 AM, Rex <rexa at sonic.net> wrote:

> In line with what Bob suggests, here is one of the square wave outputs of
> an HP Z3816A...
>
> http://www.xertech.net/**Projects/Z3816/Output_circ.gif<http://www.xertech.net/Projects/Z3816/Output_circ.gif>
>
> Or look at the project for context...
>
> http://www.xertech.net/**Projects/Z3816/3816_mod.html<http://www.xertech.net/Projects/Z3816/3816_mod.html>
>
>
>
>
> On 5/17/2012 6:17 PM, Bob Camp wrote:
>
>> Hi
>>
>> Parallel up as many inverters (or logic buffers) as you feel you need.
>> Much less delay than the MOSFET drivers. Small packages for easy layout.
>> Run off of 5 volts (or what ever…). Put a resistor in series with the
>> output of each of them and they will equalize very well.
>>
>> Bob
>>
>> On May 17, 2012, at 7:35 PM, Michael Tharp wrote:
>>
>>
>
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