TTL homebrew CPUs

dwight elvey dkelvey at hotmail.com
Sun Jul 15 11:50:15 CDT 2007




>From: Jules Richardson <julesrichardsonuk at yahoo.co.uk>
---snip---
>
>I'm still not up to speed with the theory, though - I can see how the ring 
>counter operates once one tube is lit, but I'm not quite sure how the 
>power-up initial status with only the first tube in each counter lit is 
>arrived at... (i.e. how is it guaranteed that only one tube fires, rather 
>than none or several? Is one tube chosen to have slightly different 
>characteristics to the rest in the ring or something?)
>

Hi
Use diodes.
Dwight

_________________________________________________________________
Local listings, incredible imagery, and driving directions - all in one 
place! http://maps.live.com/?wip=69&FORM=MGAC01




More information about the cctalk mailing list