This circuit is from the 80's, using an integrated of the time. The circuit serves as a reference, as this type of dialing is no longer used today.
This sensitive amplifier for low current measurement uses a differential amplifier configuration with...
This monochrome analog TV pattern generator was found in the July 1991 issue of Radio Electronics...
The circuit is of the Motorola Linear Databook of 1990. The power source must be symmetrical and the...