This is the analog part of the previous circuit with the pressure sensor for the altimeter. The circuit is from a Radio Electronics from October 1990.
This circuit was found in an old documentation for radio amateurs, being indicated for...
This configuration, found in many publications, is from an American book from 1981. The power...
Found in a 1970s documentation, this circuit has a flat response from 15 Hz to 130 kHz. Modern...