FreeLists / si-list / [SI-LIST] Re: Decoupling capacitors

[Ivor Bowden <ivor@xxxxxxxxxxx>]

I remember we had more than one of these short out
and burn up on the PCBs! After that we minimized
their usage to where they were absolutely required
due to poor layout / routing (2 sided TTL boards).
-Ivor

At 09:19 AM 5/8/2002 -0500, you wrote:
>
>On a non dissimilar tangent, I was generating
>a historical piece on the evolution of decoupling
>and ran into a memory hole that I was hoping 
>that you could help me with.  Back in the mid
>80s when we still had dips with power pins on the
>corners, there was a flat capacitor that would 
>fit under the chips and whose leads would fit into
>the same holes as the dip power pins, making contact.
>I used these all the time, but for the life of me
>can't remember what they were called.  Does anyone
>remember this ancient technology and what it was 
>called?  Thanks for the help.  Vintage engineers,
>where are you???  Any other interesting stories or
>technology from the dark ages would be much appre
>ciated.
>
>  
>
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