Detector and counter (CB21510E)

This circuit was taken from old American documentation. The circuit provides pulses obtained from a magnetic sensor for application in meters.

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Harmonic generator (CB8989E)
This circuit generates a 1296 MHz signal from 100 or 1,000 kHz crystals. We found it in an...
Ground-Referenced Constant Current power Supply (CB25616E)
Unlike the previous circuit, this circuit from Electronics Now, October 1993, has the load...
Variable Phase Inverter (CB8143E)
Found in a 1966 American publication, this circuit invert the phase of a low frequency signal. The...