DTL logic family
l.i.papadopol
INTRODUCTION “For me, the first exam at the university this year will be ‘Logic Networks’. Given my passion for electronics, how could I resist the challenge of implementing a logic…
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NE555 from discrete components
To better understand the internal operation and practical applications of the NE555 timer, I decided to rebuild it using discrete components. Although the datasheet provides a block diagram of its…
EG&G DSPec MCA
Some time ago, at the Marzaglia scrap fair in September, I picked up an EG&G Ortec DSPec table-top multichannel analyzer. My unit was missing the 5k, 10-turn “Helipot” HV selector.…