Based on an LM36000 OTA this circuit was found in the July 1988 issue of Radio Electronics magazine. It covers frequencies in the range of 45 Hz to 45 kHz.
This filter was found in old Raytheon documentation. The circuit makes use of operationals of the time, but...
This circuit allows to obtain an output pulse independent, in duration, of the action time on...
This preamplifier is indicated for low and high-impedance sources as microphones, transducers,...