Shift register

Posted on Mar 9, 2013

The shift pulse amplitude is less than 15 volts. If a stage is off, the shift pulse will not be coupled to the next stage. If it is on, the diode will conduct and trigger the next stage. Just prior to the shift pulse the anode supply is interrupted to tum off all stages

Shift register
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The stored capacitor charge determines which stages will be triggered.

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