This variable frequency oscillator for radio transmission covers the range from 1.6 MHz to 20 MHz, depending only on the coil used. The circuit is very stable and can be used in amateur equipment.
This 1992 circuit was designed to operate with the CB16766E circuit auto alarm. The circuit...
Nixie-type displays are no longer used except for assemblies of people who like old technology. The...
We found this circuit in a 2006 documentation. The circuit has two parts: a base where we have the...