We found this circuit in the Linear Applications Hanbook of the National Semiconductor in 1994. The semiconductors used are not very common today.
Found in a 90’s Popular Electronics, this circuit uses two CMOS inverters to generate a signal of...
This commercial receiver was sold in the 1960s in Japan. It is a 6-transistor superheterodyne...
The operational amplifier used in this circuit is uncommon nowadays. We obtained this circuit from...