This simple tester was found in a Popular Electronics from the 90s. The circuit is powered by two 9 V batteries since it requires a symmetrical source.
Molex discrete wiring and cabling solutions with applications in consumer electronics, commercial...
This circuit consists in a full-wave bridge rectifier or Graetz Bridge as its is also called. The...
This circuit is used to convert audio signals from na amplifier into infrared modulated signals....