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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Non Inverting Amplifier (CB6437E)
This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any...
Transistor Astable (CB997E)
This basic configuration of an astable multivibrator was found in a publication of the year 1968....
Dual 18 V power supply (CB25266E)
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...