The TAA865 integrated circuit used in this 1986 project is no longer common today. The circuit is a documentation of the time and the time is given by RC that has indicated the maximum values.
This circuit identifies the polarity of DC signals and if the signal is AC. The circuit is from...
In the figure we have a modified multiplier circuit that can operate with the sextuplicator with...
This circuit is from the Motorola Linear Databook published in 1990. The circuit for 1 kHz can be...