This small 1 W amplifier uses a Motorola integrated circuit from the 1970s. The integrated circuit used is uncommon today and the power supply does not have to be symmetrical.
When approached by a circuit that operates with RF signals, this circuit captures them by...
The circuit exemplified in figure 8 is suggested by National Semiconductor and is based on an...
This audio detector circuit can be used for cable identification. We found it in a Popular...