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.
This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s....
Found in American documentation from the 90s, this configuration detects the direction of rotation...
This circuit generates a 5.3 kHz linear ramp with the indicated components. The 7555 is the CMOS...