Found in a 90’s Radio Electronics, this circuit uses a component from the time, difficult to find today. It generates 12 tones in different octaves.
This common emitter amplifier with 43 dB gain was found in the August 1970 issue of Radio...
This circuit was found in a technical documentation from Texas Instruments, using a...
We found this circuit in a 1980 publication. It can be applied to Triacs of the TIC series and the...