This is a commercial circuit from the year 1958. Transistors are germanium types and transformers and coils are hard to fild today. The circuit is destinated to the reception of medium wave stations.
This circuit suggested by Motorola can be used as LED high frequency modulator. One possible...
Lumileds LUXEON Infrared LEDs can be purchased from Mouser Electronics in a wide selection of...
With the appropriate choice of C1 and C2 it is possible to divide the frequency of a rectangular 3 V...