This circuit can modulate a laser rate at frequencies of 50 kHz. We found the old documentation. The bipolar transistors can be the BD135 and 136 and the FET admits equivalent.
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....