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Frequency Response for MOSFET/BJT

TweetThe frequency response of a BJT or MOSFET can be found using nearly the exact same process, with the only variations being caused by a single resistor and simple naming conventions that differ between the two devices. Before we start let’s think a little bit about what we’re doing: Our goal is going to be [...]

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Derivation of the Parallel Resistance Formula

Posted by Jeff on Jul 27, 2009 in Basic Electrical Engineering Concepts

Tweet Derivation of the Parallel Resistance Formula It’s easy to see where the series resistance formula comes from; add a resistor, add its resistance.  It’s more difficult to see where the parallel resistance formula comes from.  However, the formula can be derived using a simple combination of KCL and Ohm’s law.  Take the simple circuit [...]

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