Message 22759 in ALL.WW
From: LU9DCE
Date: Tue, 19 May 26 14:45:00 Z
Newsgroups: ALL.WW
Subject: ELECTRONICS FACTS 19-MAY
Message-ID: <13907_LU9DCE>
Path: GB7RJJ|GB7YEW|LU9DCE
R:260519/1446Z 13607@GB7RJJ.#79.GBR.EURO LinBPQ6.0.25
R:260519/1445Z 18591@GB7YEW.#79.GBR.EURO LinBPQ6.0.24
R:260519/1445Z 13907@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.25
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( ) / )( \/ _ \( \ / __)( __) ( _ \( _ \/ ___)
/ (_/\) \/ (\__ )) D (( (__ ) _) ) _ ( ) _ (\___ \
\____/\____/(___/(____/ \___)(____) (____/(____/(____/
PACKET RADIO STATION - BUENOS AIRES (GF05OM)
PYTHON SCHEDULED NEWSLETTERS (PSN)
COPYRIGHT 2026 - EDUARDO A. CASTILLO
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THE 555 TIMER IC INTRODUCED IN 1971 BY SIGNETICS HAS BEEN IN
CONTINUOUS PRODUCTION FOR OVER 50 YEARS AND IS STILL ONE OF THE MOST
INTEGRATED CIRCUITS EVER MADE, WITH BILLIONS SOLD. ITS NAME COMES FROM
THE THREE 5 K RESISTORS THAT FORM ITS INTERNAL VOLTAGE DIVIDER.
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