Tachometer LM3900 (CB14214E)

The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. The base is a transconductance operational amplifier.

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Photodiode amplifier (CB6862E)
Found in Linear Technology documentation from the 90s, this circuit uses an operational amplifier...
Fun Projects for the Experimenter - volume 2
Author: Newton C. Braga Published:July 8, 2016 Formato:Book and e-Book Pages:...
Sequential Cruiser (CB16479E)
This is an LED effect that we found in a 1988 documentation. The circuit drives LEDs with a...