Other amplifiers of the series like the MC3301, MC3401 and LM2900 can be used in this circuit. We found this setting on Motorola's Linear Interface ICs. The circuit uses a magnetic sensor.
Found in the CQ radio amateur magazine, this circuit generates a standard 100 kHz signal. The...
Although it is a common configuration today, this circuit was taken from an old publication. The...
This digital instrument input circuit was found in the September 1989 issue of Radio Electronics...