Why cant we use BJT instead of MOSFETs in VLSI design ?

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BJTs (Bipolar Junction Transistors) are not typically used in VLSI (Very Large Scale Integration) designs primarily due to their higher power consumption and lower switching speeds compared to MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors). VLSI circuits require millions to billions of transistors integrated onto a single chip, and MOSFETs excel in this domain due to their lower … Read more

What can cause a resistor to become non ohmic ?

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A resistor can become non-ohmic, meaning it does not obey Ohm’s law (V = IR), due to various factors that alter its resistance with changes in voltage or current. One common cause is temperature dependency. Resistors made from materials whose resistivity changes with temperature can exhibit non-ohmic behavior. For example, as the temperature of a … Read more