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Miller effect

Index Miller effect

In electronics, the Miller effect accounts for the increase in the equivalent input capacitance of an inverting voltage amplifier due to amplification of the effect of capacitance between the input and output terminals. [1]

29 relations: Amplifier, Bandwidth (signal processing), Buffer amplifier, Capacitance, Cascode, CMOS amplifiers, Common base, Common emitter, Common source, Cutoff frequency, Darlington transistor, Electrical impedance, Electronics, Equivalent input, Gain (electronics), Integrated circuit, John Milton Miller, Low-pass filter, Miller theorem, Negative-feedback amplifier, Open-circuit time constant method, Parasitic capacitance, Pole splitting, RC time constant, Roll-off, Thévenin's theorem, Transistor, Triode, Vacuum tube.

Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).

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Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

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Buffer amplifier

A buffer amplifier (sometimes simply called a buffer) is one that provides electrical impedance transformation from one circuit to another, with the aim of preventing the signal source from being affected by whatever currents (or voltages, for a current buffer) that the load may produce.

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Capacitance

Capacitance is the ratio of the change in an electric charge in a system to the corresponding change in its electric potential.

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Cascode

The cascode is a two-stage amplifier that consists of a common-emitter stage feeding into a common-base stage.

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CMOS amplifiers

CMOS amplifiers are ubiquitous analog circuits which are used in computers, audio systems, smart phones, cameras, telecommunication systems, biomedical circuits and many other systems, and their performance has great impact on the overall specifications of the systems.

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Common base

In electronics, a common-base (also known as grounded-base) amplifier is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a current buffer or voltage amplifier.

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Common emitter

In electronics, a common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as the voltage amplifier.

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Common source

In electronics, a common-source amplifier is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a voltage or transconductance amplifier.

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Cutoff frequency

In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced (attenuated or reflected) rather than passing through.

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Darlington transistor

In electronics, the Darlington transistor (commonly called a Darlington pair) is a compound structure of a particular design made by two bipolar transistors connected in such a way that the current amplified by the first transistor is amplified further by the second one.

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Electrical impedance

Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.

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Electronics

Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.

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Equivalent input

Equivalent input (also input-referred or input-related), is a method of referring to the signal or noise level at the output of a system as if it were an input to the same system.

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Gain (electronics)

In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.

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Integrated circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.

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John Milton Miller

John Milton Miller (22 June 1882 – 17 May 1962) was a noted American electrical engineer, best known for discovering the Miller effect and inventing fundamental circuits for quartz crystal oscillators (Miller oscillators).

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Low-pass filter

A low-pass filter (LPF) is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.

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Miller theorem

The Miller theorem refers to the process of creating equivalent circuits.

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Negative-feedback amplifier

A Negative-feedback amplifier (or feedback amplifier) is an electronic amplifier that subtracts a fraction of its output from its input, so that negative feedback opposes the original signal.

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Open-circuit time constant method

The open-circuit time constant method is an approximate analysis technique used in electronic circuit design to determine the corner frequency of complex circuits.

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Parasitic capacitance

Parasitic capacitance, or stray capacitance is an unavoidable and usually unwanted capacitance that exists between the parts of an electronic component or circuit simply because of their proximity to each other.

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Pole splitting

Pole splitting is a phenomenon exploited in some forms of frequency compensation used in an electronic amplifier.

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RC time constant

The RC time constant, also called tau, the time constant (in seconds) of an RC circuit, is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads), i.e. It is the time required to charge the capacitor, through the resistor, from an initial charge voltage of zero to ≈63.2 percent of the value of an applied DC voltage, or to discharge the capacitor through the same resistor to ≈36.8 percent of its initial charge voltage.

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Roll-off

Roll-off is the steepness of a transmission function with frequency, particularly in electrical network analysis, and most especially in connection with filter circuits in the transition between a passband and a stopband.

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Thévenin's theorem

As originally stated in terms of DC resistive circuits only, Thévenin's theorem holds that: In circuit theory terms, the theorem allows any one-port network to be reduced to a single voltage source and a single impedance.

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Transistor

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.

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Triode

A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

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Vacuum tube

In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.

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Miller Effect, Miller effects.

References

[1] https://en.wikipedia.org/wiki/Miller_effect

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