This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit generates sinusoidal signals from 15 Hz to 150 kHz in 4 bands, as shown in the diagram.
In this oscillator a phase shift network formed by C1, C2, C3 and R1, R3, R4 determine the fase...
Indicated for vinyl media recovery, this circuit is from the 80's, having been found in an...
An interesting application that finds applications in industry, especially when fluctuations in...