This circuit with the LM741 operational amplifier can be applied to other operational amplifiers. We found it in the September 1989 Radio Electronics magazine.
This ultra-low noise circuit was found in the May 1990 issue of Radio Electronics magazine. The...
The frequency of this type is oscillator is given by the RC network. Calculations can be found in...
Although most common piezoelectric transducers have a reduction in performance at frequencies...