MOSFET stepper motor control (CB8575E)

Found in a 90s Popular Electronics, this circuit makes use of power MOSFETs. Equivalent MOSFETs can be used. The circuit acts as a shield.

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Switched Stepdown Regulator (CB8693E)
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Crystal Sinusoidal Oscillator (CB5129E)
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Touch Switch (3) (CB12188E)
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