Dissipação Escolha tristeza lm317 lm337 dual power supply cisne Comício Extremamente importante
operational amplifier - Design Questions for Dual Tracking Power Supply Using 15 Volt 800mA Secondary Transformer, LM317, LM337, and Op Amp - Electrical Engineering Stack Exchange
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Dual power supply circuit 3V,5V,6V,9V,12,15V LM317,LM337