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  • Users: vultan
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  1. vultan

    Variable power supply

    I'm attempting to control the power output of a resistive heater using PWM. I intend to use a TL494 IC and hope to use a varistor to alter the output but am not sure how to achieve it. My original thought is to use the varistor to vary the signal input to the deadtime control pin, not sure if...

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