High-speed peak detector (CB9699E)

This circuit was obtained from an American documentation from the 80s. Integrated circuits are from that time and are not easy to find today.

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Common base transformer stage (CB22223E)
Found in an old American documentation, this step has as input and output transformers coupling. Two...
5V power supply (CB21176E)
In the figure we have a simple 5 V power supply obtained from an American documentation from the...
Current to frequency converter (CB9604E)
Found in a manufacturer documentation from the 90s, this circuit makes use of period components. The...