DIY Ultra portable spectroscopy system
l.i.papadopol
Introduction A few months ago, a customer asked me to develop a portable spectroscopy system with the following requirements: Portability: The design measures 25x25x50mm, featuring a 7.5% CsI(Tl) crystal that…
l.i.papadopol
DTL logic family
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…
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…