This circuit detects when an audio signal exceeds a certain level or even occurs due to an object falling, a door slamming or other. The circuit is from a Radio Electronics from January 1980.
This Japanese commercial transistor radio circuit was found in a 1967 documentation. The...
The circuit shown in the figure is characterized by stability and the use of a common component. This...
January 2017 - Texas Instruments' new TPS7A19 Low Voltage Dropout (LDO) linear regulators are now...