This receiver uses old transistors that are equivalent to BC548 and BC558. The photo diode is of any type. The receiver can be used on a highly sensitive audio link.
This antenna tuner was found in a 1995 publication in the 1993 Electronics Hobbyists Handbook. The coil...
This circuit is from the 1982 SGS Linear Circuits Manual. The circuit provides currents from 35 mA...
ROHM Semiconductor is featured in a new line of IR LEDs, Proximity Optical Sensors and Ambient...