Pseudo random sequence generator (CB7975E)

This circuit was found in a 90s Electronic Design. The circuit is for TTL technology and can function as a shield for microcontrollers.

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Small Motor Protection and Control Circuit (CB5404E)
We find this circuit in a 2005 Linear Technology manual. The circuit applies to small DC motors...
Self-disconnecting battery charger (CB4975E)
This 12V battery charging circuit automatically shuts off at the end of the charge. The disconnect...
Telegraphy Practice Oscillator (CB4200E)
This is one of many Morse code audio oscillators that can be found in this section. The circuit...