This circuit uses amplifiers from the 60's American company Microlin. The circuit can be designed based on modern operational amplifiers.
The TLC555 is the CMOS equivalent of the well-known 555 bipolar transistor. It can be used in the...
Found in a 1970 American publication, this circuit uses transistors of the time. These transistors...
The UAA170 integrated circuit is no longer common in our market. With it it is possible to...