This circuit allows the listening of undersea sounds using a special transducer. Operational amplifiers can be of any type. The circuit was found in a Popular Electronics from the 90s.
The circuit below is a 1 mA current drain using a transconductance operational amplifier. The...
This circuit was found in a NASA documentation from the 1980s. Component values are application...
This circuit generates signals with two waveforms. The circuit is from a documentation from the...