This circuit is from a Ferranti publication of 1968. The circuit generates a signal according to the crystal. The transistor may be a modern equivalent.
This circuit is from a 1967 RCA documentation. Components can be replaced with modern equivalents. The...
Kinescopes are no longer found on modern video monitors and televisions. However if the reader has...
The frequency of this astable depends on the capacitor that can be changed over a wide range of...