A Bipolar Junction Transistor (BJT) is a current-controlled semiconductor device which has three-terminals. The current in BJT is carried by both majority and minority carriers so it is known as bipolar device. The input resistance of BJT is low so it is used as an amplifier, oscillator circuits and digital circuits. Note: The usage of … Read more
The MOSFET (Metal Oxide Field Effect Transistor) is an active semiconductor device most widely used in Integrated circuits. It is a voltage-controlled device because the current between source and drain is controlled by the gate voltage. MOSFET is a unipolar device because the charge carriers that are responsible for current are either electron (in NMOS) … Read more
Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small; typical sizes are around 100 picometers. Atom The smallest particle of an element is called an atom. An atom can take part in chemical combination and does not occur free in nature. The atom of the hydrogen is … Read more
An Instrumentation amplifier is a kind of differential amplifier with additional input buffer stages. The addition of input buffer stages makes it easy to match (impedance matching) the amplifier with the preceding stage. In other words, we can say that the differential op-amp circuit providing high input impedances with ease of gain adjustment through the variation … Read more
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