The circuit shown in the figure below is from the 1993 Linear Technology Applications. The operational ones used are uncommon and the use of equivalents can be analyzed.
This circuit converts a range of input voltages at frequencies from 800 Hz to 3.7 kHz. This is a...
With this circuit it is possible to follow the transmission in the range of 2 meters with a...
In this circuit we have the way to use common diodes to obtain low regulated voltages in a single...