Alternator regulator (CB7121E)

This circuit was found in Radio Electronics from the 90s. Q3 must have a heatsink and R10 fixes the output voltage.

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Hysteresis-free Schmitt Trigger (CB5963E)
This circuit is from an old documentation. However, it can be designed based on modern transistors...
TLVx171 36 V Operational Amplifiers
May 2017 - The new 36V TLVx171 Series of General Purpose Operational Amplifiers from Texas...
3-bit AD Converter (CB4913E)
This fast circuit was found in an ancient American documentation. Output conversion speed is 30 ns and...