Touch Relay (CB18273E)

With the circuit shown in the figure, it is possible to connect or disconnect a load controlled by the relay by touching the sensors X1 and X2.

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Logarithmic Amplifier with Operational (CB13772E)
The circuit presented was found in a Motorola documentation from 19761, but it can be assembled with a...
Passive Mixer (CB824E)
This mixer uses only four passive component and can be used with high impedance sources. The input and...
Operational Bistable (CB15613E)
The configuration shown is a flip-flop that can be triggered by means of two push buttons normally...