[time-nuts] Buffering a PPS signal

[Michael Tharp]

On 05/18/2012 08:24 AM, Bob Camp wrote:
> Hi
>
> For a 50 ohm buffer, you probably want something like 200 ohms in series
> with each output (4 buffers) or 400 ohms (8 buffers).

Yep, I ended up choosing a quad buffer with 180 ohms on each pin which 
should yield 45 ohm source impedance and 27mA short-circuit current, 
while the part is specified for 32mA. Thanks for pointing me in the 
right direction.

-- m. tharp