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3A2: Difference between revisions
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The "CHOP" mode of the 3A2 switches back and forth between the two inputs | The "CHOP" mode of the 3A2 switches back and forth between the two inputs | ||
at a | at a rate of a few kilohertz. | ||
The signal that causes the switching is generated by a relaxation oscillator | The signal that causes the switching is generated by a relaxation oscillator | ||
formed using a capacitor and a pair of Shockley diodes, D385 and D386. | formed using a capacitor and a pair of Shockley diodes, D385 and D386. | ||