Unilateral Counter 4093 (CB18280E)

An interesting application of the 4093 integrated circuit is the one shown in the figure, in which we have a one-sided meter.

Rectangular Oscillator 4136 (CB14938E)
The operational used in this common configuration is a double 741. The circuit can be used to...
Mixer (CB13030E)
The two-channel mixer shown in the figure is the ideal solution for cases where we need an...
Transistor Timer (CB13971E)
This circuit is from an English publication from 1965. The transistors used are rare, however, they...