With the indicated components, this circuit oscillates at 1232 Hz. Consider the tolerance of the components. The circuit is from a 1974 Ferranti transistor manual.
The frequency of this oscillator is determined only by the crystal, without the use of tuned...
We found this interesting transistor generator in European documentation from the 1980s. The...
This filter rejects signals below 300 Hz and signals above 3000 Hz, being used in...