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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600 Hz Rejection Filter with 741 (CB1456E)
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Alternating Flash 555 (CB25533E)
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When the switch S1 is pressed for a moment, the motor receives the voltage of B1 more, adding to...