CA3224E circuit equivalent, automatic picture tube bias control circuit.
* Automatic Picture Tube Bias Cutoff Control
* Automatic Background Color Balance
* Eliminates Grey Scale Adjustments
* Compensates for Cathode-to-Heater .
The CA3224E is an automatic picture tube bias control circuit used in color TV receiver CRT drive circuits. It is used to provide dynamic bias control of the grey scale both initially and over the CRT operating life, compensating for CRT cutoff chang.
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