This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is powered by 5 V and the frequency can be changed by changing the crystal.
This was the original title given by the publication of the 80s in which we found it. Similar...
This general-purpose transistor amplifier stage was found in the November 1993 issue of...
This circuit was found in an Electronic Design from 1968. Its purpose is to produce synchronized trigger...