Found in a Popular Electronics from the 90s, this circuit generates signals from 2 Hz to 30 kHz in different bands. The circuit can be powered by voltages from 5 to 12 V, depending on the application.
This circuit is a variation of the previous one, containing a modulation input. The components are the same....
We found this circuit in a 1997 documentation. Its purpose is to fan an inverter for fluorescent lamp...
For those who like electronic music or special effects on their sound equipment, we have here an...