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- Path: news.dseg.ti.com!news
- From: bogus@go.away (Mike Neus)
- Newsgroups: comp.sys.cbm
- Subject: Re: Screaming circuits
- Date: 25 Mar 1996 18:28:58 GMT
- Organization: Texas Instruments
- Message-ID: <4j6ola$stq@mksrv1.dseg.ti.com>
- References: <314E7938.2842@ludd.luth.se>
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-
- In article <314E7938.2842@ludd.luth.se>, watchman@ludd.luth.se says...
- >
- >Yowsa!
- >
- >This is actually a test of the new newsserver I got holde of...
- >
- >But, there are some programs, specifically the depackers to
- >the dolphin dos utilities, that makes the circuits in the commie
- >scream! Yes, it's true. I have done the obvious test of turning
- >off the screen and then started the program... And it screams!
- >
- >Two questions arises:
- >* What part(s) of the computer screams?
- >* What makes them scream?
- >
- >I have looked into this casually a few times, but never found
- >out what exactly causes this phenomenon. It would be quite kewl
- >to know thoiugh...
- >
- >... Imgagine playing samples through the circuits... in some
- >other persons machine that is! ;-)
-
- This is probably a piezo electric effect in the silicon chips. Can't say
- which one it is though, but since the SID works in the audio range prehaps
- this is the one? Another interesting observation is when testing audio power
- amplifiers under shop loads (not speakers), you can hear the output
- transistors "scream", or prehaps a better word is "sing", as well.
-
-