This very simple amplifier was found in the Philips Databook of 1990. The circuit is suitable for headphones and other battery powered applications.
This 1000: 1 voltage-controlled filter circuit was found in an Electronics Today International in a 1980s...
This circuit consists of a monostable multivibrator using the LM3900 transconductance operational...
This simple two transistor timer can be used to measure short time intervals. The power supply...