General Electric suggests this circuit in a 1980s documentation. The operational of the time is FET-type input. Modern equivalents may be used.
Frequency divisions up to 18,384 can be performed with the basic configuration of a 4020 as shown...
This crystal shortwave radio can tune signals up to the VHF range of analog TV (which no longer...
This circuit was found in a Popular Electronics from the 90s. The circuit uses a ceramic capsule as...