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I was trying to simulate a simple astable that I've built using a 4093. As shortcut, I thought I would just use NAND gates. It oscillates, but the output is 5V which is not enough to switch the p-MOSFET later in the circuit. Or at least the simulator isn't switching it (the real-life version on my breadboard works just fine...). The circuit is here https://www.circuitlab.com/circuit/4txgca/dew-heater-control/ Is there a way to change the logic level for the digital circuits? |
August 20, 2013 |
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