GT-40 etc.

[Al Kossow]

On 1/21/18 10:04 AM, Paul Koning via cctalk wrote:

> Remember that the GT40 is a vector drawing display, not a raster scan.  So you need a tube and associated deflection machinery that can handle high frequency X and Y deflection waveforms accurately.  This is not easy, especially with magnetic deflection.  I don't know what DEC used

Electromagnetic

The deflection amps on vr14s and 17s were notorious for blowing out.