Driver for Electric Typewriter (CB6561E)

This circuit was found in a Philips documentation from 1966. Its purpose is to drive the solenoid of an electric typewriter of the time.

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Square Root Extractor (CB25585E)
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The astable multivibrator shown by figura 1 has a very low current drain and can be powered from 6...
20 LED Effects Circuit Using 4017 (CB25438E)
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