Turning a Solenoid On and Off (MEC147E)

Figure 1 - Controlling a solenoid.

Log Amplifier MC1456 (CB4018E)
We found this circuit in the Motorola Linear Databook published in 1990. The circuit can be...
Locked touch switch (CB7192E)
This circuit is from a 1968 publication by General Electric. The circuit can be applied to any...
Light Controlled Oscillator (CB16728E)
This is yet another version of the light-controlled oscillator that can be found on this website. This...