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.
This circuit is from 2002 documentation, requiring a symmetrical source of 6 to 12 V. The signal...
This circuit is from Linear Technology 2005 documentation. The circuit is based on company...
This power supply that can supply current according to the LEC is suitable for small projects. The LED...