Damped tone generator (CB8842E)

This circuit uses an unusual electromechanical component: a mechanical blade resonator. The circuit is from a 1965’s Electronic Design.

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PUT neon shutter (CB6686E)
This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the...
1W Amplifier For Headphones (CB12960E)
The circuit shown in the figure is suggested by ON Semiconductor (www.onsemi.com), based on its...
Discharger limiter for Nicad (CB9546E)
This circuit for discharging NiCad batteries limits the current to a value that can be adjusted in the...