This circuit was found in an old Hewlett Packard publication. Its purpose is to activate neon indicator lamps with signals from a switching circuit.
Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio...
Today's Featured Author: Dave Wilson, Vice President of Product Marketing, Academic As Vice...
This circuit was found in an Analog Devices manual and can supply a 3 mA current or drain a 10 mA...