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Symbolic representation of ideal devices implementing boolean functions
0
votes
0
answers
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One BJT NOR gate resistor values [duplicate]
What is the purpose of this RD resistor and how do I calculate all the values in this one bjt NOR circuit to have something reliable. And how do I measure fanout of this gate?
1
vote
0
answers
181
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Chaining NAND gates does not work and results in wrong simulation with LTspice
I started building basic logic gates. I wanted to start basic and understandable so I started building some NAND gates just using two transistors. On its own hooked up to a switch and a LED they work …
2
votes
2
answers
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NAND gate with two vs. one BJT transistor(s)
Why is everybody discourage from this paired NAND BJT Transistor "design"? I already saw a few posts where somebody asked something about the paired BJT NAND "design" and the answers only say: don't d …