Harmonic Distortion Meter (CB26187E)

This complex circuit was found in the 1993 edition of the Electronics Experimenter's Handbook. Most of the components are still common today.

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Unit gain MOSFET stage (CB6966E)
Found in American documentation, this amplifier stage has unit gain and a high input impedance. It...
455 kHz Oscillator (CB4240E)
This simple oscillator generates a 455 kHz signal. The circuit is from an 80's documentation and its...
MAX14871 Full Bridge DC Motor Control (COM039E)
It can be obtained from Mouser Electronics the new MAX14871 Maxim consisting of a full-wave...