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52 relations: Active filter, All-pass filter, Analogue filter, Balanced circuit, Balanced line, Band-pass filter, Band-stop filter, Butterworth filter, Complex number, Composite image filter, Constant k filter, Daisy chain (electrical engineering), Damping ratio, Digital biquad filter, Dual impedance, Electrical impedance, Electronic filter, Electronic mixer, Elliptic filter, Filter design, Gain (electronics), General mn-type image filter, George Ashley Campbell, High-pass filter, Impedance matching, Lattice phase equaliser, Linear filter, Low-pass filter, M-derived filter, Mm'-type filter, Natural frequency, Network synthesis filters, Nonlinear filter, Operational amplifier, Otto Julius Zobel, Passband, Prototype filter, Q factor, Quadratic function, RC circuit, Real number, State variable filter, Stereophonic sound, Stopband, Topology, Topology (electrical circuits), Transfer function, Two-port network, Unbalanced line, Wilhelm Cauer, ..., Zeros and poles, Zobel network. Expand index (2 more) »
Active filter
An active filter is a type of analog circuit implementing an electronic filter using active components, typically an amplifier.
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All-pass filter
An all-pass filter is a signal processing filter that passes all frequencies equally in gain, but changes the phase relationship among various frequencies.
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Analogue filter
Analogue filters are a basic building block of signal processing much used in electronics.
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Balanced circuit
A balanced circuit is circuitry for use with a balanced line or the balanced line itself.
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Balanced line
In telecommunications and professional audio, a balanced line or balanced signal pair is a transmission line consisting of two conductors of the same type, each of which have equal impedances along their lengths and equal impedances to ground and to other circuits.
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Band-pass filter
A band-pass filter, also bandpass filter or BPF, is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.
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Band-stop filter
In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels.
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Butterworth filter
The Butterworth filter is a type of signal processing filter designed to have a frequency response as flat as possible in the passband.
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Complex number
A complex number is a number that can be expressed in the form, where and are real numbers, and is a solution of the equation.
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Composite image filter
A composite image filter is an electronic filter consisting of multiple image filter sections of two or more different types.
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Constant k filter
Constant k filters, also k-type filters, are a type of electronic filter designed using the image method.
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Daisy chain (electrical engineering)
In electrical and electronic engineering a daisy chain is a wiring scheme in which multiple devices are wired together in sequence or in a ring.
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Damping ratio
Damping is an influence within or upon an oscillatory system that has the effect of reducing, restricting or preventing its oscillations.
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Digital biquad filter
In signal processing, a digital biquad filter is a second-order recursive linear filter, containing two poles and two zeros.
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Dual impedance
Dual impedance and dual network are terms used in electronic network analysis.
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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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Electronic filter
Electronic filters are circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.
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Electronic mixer
An electronic mixer is a device that combines two or more electrical or electronic signals into one or two composite output signals.
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Elliptic filter
An elliptic filter (also known as a Cauer filter, named after Wilhelm Cauer, or as a Zolotarev filter, after Yegor Zolotarev) is a signal processing filter with equalized ripple (equiripple) behavior in both the passband and the stopband.
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Filter design
Filter design is the process of designing a signal processing filter that satisfies a set of requirements, some of which are contradictory.
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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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General mn-type image filter
These filters are electrical wave filters designed using the image method.
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George Ashley Campbell
George Ashley Campbell (November 27, 1870 – November 10, 1954) was an American engineer.
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High-pass filter
A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency.
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Impedance matching
In electronics, impedance matching is the practice of designing the input impedance of an electrical load or the output impedance of its corresponding signal source to maximize the power transfer or minimize signal reflection from the load.
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Lattice phase equaliser
A lattice phase equaliser or lattice filter is an example of an all-pass filter.
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Linear filter
Linear filters process time-varying input signals to produce output signals, subject to the constraint of linearity.
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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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M-derived filter
m-derived filters or m-type filters are a type of electronic filter designed using the image method.
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Mm'-type filter
mm'-type filters, also called double-m-derived filters, are a type of electronic filter designed using the image method.
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Natural frequency
Natural frequency is the frequency at which a system tends to oscillate in the absence of any driving or damping force.
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Network synthesis filters
Network synthesis is a method of designing signal processing filters.
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Nonlinear filter
In signal processing, a nonlinear (or non-linear) filter is a filter whose output is not a linear function of its input.
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Operational amplifier
An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.
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Otto Julius Zobel
Otto Julius Zobel (October 20, 1887 – January 1970) was an electrical engineer who worked for the American Telephone & Telegraph Company (AT&T) in the early part of the 20th century.
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Passband
A passband is the range of frequencies or wavelengths that can pass through a filter.
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Prototype filter
Prototype filters are electronic filter designs that are used as a template to produce a modified filter design for a particular application.
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Q factor
In physics and engineering the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is, and characterizes a resonator's bandwidth relative to its centre frequency.
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Quadratic function
In algebra, a quadratic function, a quadratic polynomial, a polynomial of degree 2, or simply a quadratic, is a polynomial function in one or more variables in which the highest-degree term is of the second degree.
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RC circuit
A resistor–capacitor circuit (RC circuit), or RC filter or RC network, is an electric circuit composed of resistors and capacitors driven by a voltage or current source.
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Real number
In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line.
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State variable filter
A state variable filter is a type of active filter.
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Stereophonic sound
Stereophonic sound or, more commonly, stereo, is a method of sound reproduction that creates an illusion of multi-directional audible perspective.
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Stopband
A stopband is a band of frequencies, between specified limits, through which a circuit, such as a filter or telephone circuit, does not allow signals to pass, or the attenuation is above the required stopband attenuation level.
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Topology
In mathematics, topology (from the Greek τόπος, place, and λόγος, study) is concerned with the properties of space that are preserved under continuous deformations, such as stretching, crumpling and bending, but not tearing or gluing.
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Topology (electrical circuits)
The topology of an electronic circuit is the form taken by the network of interconnections of the circuit components.
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Transfer function
In engineering, a transfer function (also known as system function or network function) of an electronic or control system component is a mathematical function giving the corresponding output value for each possible value of the input to the device.
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Two-port network
A two-port network (a kind of four-terminal network or quadripole) is an electrical network (circuit) or device with two pairs of terminals to connect to external circuits.
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Unbalanced line
In electrical engineering, an unbalanced line is a transmission line, often coaxial cable, whose conductors have unequal impedances with respect to ground; as opposed to a balanced line.
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Wilhelm Cauer
Wilhelm Cauer (24 June 1900 – 22 April 1945) was a German mathematician and scientist.
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Zeros and poles
In mathematics, a zero of a function is a value such that.
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Zobel network
Zobel networks are a type of filter section based on the image-impedance design principle.
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Biquad filter, Biquadratic filter, Cauer topology, Cauer topology (electronics), E;ectronic filter topology, Ladder filter, Ladder network, Ladder topology, Lattice topology, Multiple feedback topology, Multiple feedback topology (electronics).
References
[1] https://en.wikipedia.org/wiki/Electronic_filter_topology
