This is the application note circuit of the integrated circuit used with the LASER diode. The circuit was obtained from the Electronics Experimenter's Handbook of 1992.
In the figure we have the way to control the frequency of an oscillator with a NE602 using a...
We found this circuit in the April 2013 issue of Electronics Now. Any JFET can be used. Note the...
This circuit, which we find in a documentation from the 70s, filters out the Ru [occurring in...