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Designing Active Band Pass Filter using Double Layers
Designing Active Band Pass Filter using Double Layers

... are the channel width and length, VGS, VSB are the gatesource and the source-substrate bias voltage, VT is the threshold voltage, Cox, Cb are the capacitances of the thin ′ is the capacitances of oxide and the depletion layer, Cox the thin oxide per unit area, γ is the body effect coefficient, φ B i ...
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Student Exploration: Circuit Builder

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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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