[cctalk] Re: Z80 vs other microprocessors of the time.

[dwight via cctalk]

________________________________
From: ben via cctalk <cctalk@classiccmp.org>
Sent: Monday, April 22, 2024 12:43 PM
To: cctalk@classiccmp.org <cctalk@classiccmp.org>
Subject: [cctalk] Re: Z80 vs other microprocessors of the time.

On 2024-04-22 1:02 p.m., Chuck Guzis via cctalk wrote:

> I'd like to see a Z80 implemented with UV-201 vacuum tubes... :)
> --Chuck

Real computers use glow tubes like the NE-2 or the NE-77.:)

For those that don't know what a UV(UX)201 was, it was most commonly used for 
audio amplification in early battery powered radios. These used a lot of 
filament current, not like later miniature tubes.
They had a UV(UX)200 tube for RF detections that worked better as a grid leak 
detector, I think because of less cutoff voltage needed as a detector.
The A series used a better getter and lower current filament ( one or both? ) 
but still used a lot of filament current.
Dwight