Found in Analog Devices documentation, this circuit is used in measurement bridges to linearize the signals when approaching equilibrium. Formulas are given next to the diagram.
This receiver was obtained in a documentation from the 90's and is of the super-regenerative type....
This circuit couples 600-ohm signals to a line of the same impedance consisting of an amplifier stage....
The circuit presented is from an old magazine having been translated and published in a national...