This circuit, found in a 1958 magazine, is for reference only, since the components are not easy to find today. The transistors are germanium types and power supply is made by common cells.
This two input simple mixer uses two transistor and can b e upgraded to more inputs. Input...
This circuit with the known PLL 567 can be found in other versions in this section and in this...
One pulse in the output is produce at each 5 pulses applied to the input. The circuit uses CMOS...