This circuit provides both frequency and voltage division. The circuit was found in a 1966 documentation. The circuit must be supplied with voltages from 32 to 40 V.
This small audio amplifier is based on the LM390 with a minimum of external components. We found it...
The integrated circuit used is not common today. The circuit presents a bass boost according to...
This circuit provides two outputs of the same signal. One with the original phase and the other...