This circuit was found in a 1980s documentation, using a comparator from the time. The configuration can also be implemented with comparators or modern operational.
This circuit is from a Radio Electronics from the 90's. The integrated circuit is from the time...
This crystal-controlled oscillator can generate signals as high as 200 MHz. The L1 coil is made up...
We found this conventional version of a single-transistor oscillator in the January 1996 issue of...