Found in a 90’s Popular Electronics, this circuit generates sinusoidal signals with frequency controlled by an input signal. C4, C3 and C1 together with R12 and R3 determine the frequency generated.
This circuit was found in a Popular Electronics from the 90s. The circuit uses a general purpose...
Found in Precision Monolithics documentation from the 90's, this circuit equalizes octave signals...
This circuit that appears in similar versions on this site was found in a Popular Electronics from the...