VR201 (was Re: DEC Rainbows ...)

From: jpero_at_sympatico.ca <(jpero_at_sympatico.ca)>
Date: Tue Feb 19 12:19:37 2002

> > Can it not be buffered and level-shifted?
>
> I'm sure it can be. I only know little bits about video magic, so it's
> beyond me to design a fix. I would not be adverse to building an active
> buffer, but I have no idea where to start. It should be powered by
> either +5VDC or +12VDC to minimize hassle when connecting the VIP to
> the VR201 in the first place (one needs one voltage, the other needs
> the other; why add a third voltage unless it's something like -5VDC).

Ethan,

Easily done, pick off a 5V to -9V DC to DC converter unit from NIC
that has BNC connector. Completely self-contained, feed it w/ 5V and
you get -9V with decent current since that coax RX/TX IC ran hot.

Cheers,

Wizard
Received on Tue Feb 19 2002 - 12:19:37 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:34:47 BST