[time-nuts] Achieving maximum performance when driving 5370A/B inputs

[Dave hartzell]

Thanks for the tips Bruce.

Is there a "better" version of the 74AC04?   It sounds like I should also
use an attenuator, perhaps 3 - 10 dB...

Dave


On Sun, Feb 28, 2010 at 7:43 PM, Bruce Griffiths <bruce.griffiths at xtra.co.nz
> wrote:

> The TADD-2 output drivers exhibit significant ringing and crosstalk due to
> ground and Vcc bounce.
>
> To minimise crosstalk dedicate each 74AC04 output device to a single
> frequency and load.
>
> Because of the ringing setting the trigger threshold is more critical than
> usual.
>
> No damage occurs when driving the 5370A/B 1x inputs with 5V logic levels
> however various protection diodes will turn on and the preamp input stage
> becomes nonlinear.
>
> Bruce
>
>