The low-noise amplifier shown uses a rare Raytheon operational amplifier today. The circuit can be implemented with more modern operators and the power source must be symmetrical.
August 2017 - Mouser Electronics is now offering the Diodes Incorporated AH1389 Hall Single-pole...
This loop antenna was found in a 1990s documentation. The circuit includes a field strength meter. The...
Found in the April 1998 Electronics Now magazine, this circuit controls loads that rely on the...