The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a transconductance operating and the power supply need not be symmetrical.
This circuit was obtained from Popular Electronics of the 1990s. The circuit uses common...
The circuit shown uses an operational transconductance amplifier such as the LM3900. Transistors...
This simple Morse Code oscillator was found in a 1980s American documentation. The power supply...