en.unionpedia.org

All-pass filter, the Glossary

An all-pass filter is a signal processing filter that passes all frequencies equally in gain, but changes the phase relationship among various frequencies.^[1]

47 relations: Angular frequency, Band-pass filter, Band-stop filter, Bridged T delay equaliser, Capacitor, Circuit topology (electrical), Comb filter, Complex conjugate, Complex plane, Constant-resistance network, Cutoff frequency, DC bias, Electronic music, Field-effect transistor, Filter (signal processing), Frequency, Gain (electronics), Group delay and phase delay, High-pass filter, Hilbert transform, Image impedance, Imaginary number, Inductor, Integrated circuit, Landline, Lattice delay network, Lattice phase equaliser, Linear phase, Low-frequency oscillation, Low-pass filter, Minimum phase, Negative feedback, Operational amplifier, Padé approximant, Passivity (engineering), Phase (waves), Phaser (effect), Recurrence relation, Short circuit, Stereophonic sound, Taylor series, Transfer function, Unit circle, Wavelength, Z-transform, Zeros and poles, 1.
Filter frequency response

Angular frequency

In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time) or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function (for example, in oscillations and waves).

See All-pass filter and Angular frequency

Band-pass filter

A band-pass filter or bandpass filter (BPF) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. All-pass filter and band-pass filter are filter frequency response and linear filters.

See All-pass filter and Band-pass filter

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. All-pass filter and band-stop filter are filter frequency response and linear filters.

See All-pass filter and Band-stop filter

Bridged T delay equaliser

thumb The bridged-T delay equaliser is an electrical all-pass filter circuit utilising bridged-T topology whose purpose is to insert an (ideally) constant delay at all frequencies in the signal path. All-pass filter and bridged T delay equaliser are linear filters.

See All-pass filter and Bridged T delay equaliser

Capacitor

In electrical engineering, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other.

See All-pass filter and Capacitor

Circuit topology (electrical)

The circuit topology of an electronic circuit is the form taken by the network of interconnections of the circuit components.

See All-pass filter and Circuit topology (electrical)

Comb filter

In signal processing, a comb filter is a filter implemented by adding a delayed version of a signal to itself, causing constructive and destructive interference.

See All-pass filter and Comb filter

Complex conjugate

In mathematics, the complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.

See All-pass filter and Complex conjugate

Complex plane

In mathematics, the complex plane is the plane formed by the complex numbers, with a Cartesian coordinate system such that the horizontal -axis, called the real axis, is formed by the real numbers, and the vertical -axis, called the imaginary axis, is formed by the imaginary numbers.

See All-pass filter and Complex plane

Constant-resistance network

A constant-resistance network in electrical engineering is a network whose input resistance does not change with frequency when correctly terminated.

See All-pass filter and Constant-resistance network

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.

See All-pass filter and Cutoff frequency

DC bias

In signal processing, when describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform.

See All-pass filter and DC bias

Electronic music

Electronic music broadly is a group of music genres that employ electronic musical instruments, circuitry-based music technology and software, or general-purpose electronics (such as personal computers) in its creation.

See All-pass filter and Electronic music

Field-effect transistor

The field-effect transistor (FET) is a type of transistor that uses an electric field to control the flow of current in a semiconductor.

See All-pass filter and Field-effect transistor

Filter (signal processing)

In signal processing, a filter is a device or process that removes some unwanted components or features from a signal.

See All-pass filter and Filter (signal processing)

Frequency

Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.

See All-pass filter and Frequency

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.

See All-pass filter and Gain (electronics)

Group delay and phase delay

In signal processing, group delay and phase delay are two related ways of describing how a signal's frequency components are delayed in time when passing through a linear time-invariant (LTI) system (such as a microphone, coaxial cable, amplifier, loudspeaker, telecommunications system, ethernet cable, digital filter, or analog filter).

See All-pass filter and Group delay and phase delay

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. All-pass filter and high-pass filter are filter frequency response and linear filters.

See All-pass filter and High-pass filter

Hilbert transform

In mathematics and signal processing, the Hilbert transform is a specific singular integral that takes a function, of a real variable and produces another function of a real variable.

See All-pass filter and Hilbert transform

Image impedance

Image impedance is a concept used in electronic network design and analysis and most especially in filter design.

See All-pass filter and Image impedance

Imaginary number

An imaginary number is the product of a real number and the imaginary unit, is usually used in engineering contexts where has other meanings (such as electrical current) which is defined by its property.

See All-pass filter and Imaginary number

Inductor

An inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.

See All-pass filter and Inductor

Integrated circuit

An integrated circuit (IC), also known as a microchip, computer chip, or simply chip, is a small electronic device made up of multiple interconnected electronic components such as transistors, resistors, and capacitors.

See All-pass filter and Integrated circuit

Landline

A landline (land line, land-line, main line, fixed-line, and wireline) is a telephone connection that uses metal wires from the owner's premises also referred to as: POTS, Twisted pair, telephone line or public switched telephone network (PSTN).

See All-pass filter and Landline

Lattice delay network

Lattice delay networks are an important subgroup of lattice networks. All-pass filter and lattice delay network are digital signal processing and linear filters.

See All-pass filter and Lattice delay network

Lattice phase equaliser

A lattice phase equaliser or lattice filter is an example of an all-pass filter. All-pass filter and lattice phase equaliser are linear filters.

See All-pass filter and Lattice phase equaliser

Linear phase

In signal processing, linear phase is a property of a filter where the phase response of the filter is a linear function of frequency. All-pass filter and linear phase are digital signal processing.

See All-pass filter and Linear phase

Low-frequency oscillation

Low-frequency oscillation (LFO) is an electronic frequency that is usually below 20 Hz and creates a rhythmic pulse or sweep.

See All-pass filter and Low-frequency oscillation

Low-pass filter

A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. All-pass filter and low-pass filter are filter frequency response and linear filters.

See All-pass filter and Low-pass filter

Minimum phase

In control theory and signal processing, a linear, time-invariant system is said to be minimum-phase if the system and its inverse are causal and stable. All-pass filter and minimum phase are digital signal processing.

See All-pass filter and Minimum phase

Negative feedback

Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.

See All-pass filter and Negative feedback

Operational amplifier

An operational amplifier (often op amp or opamp) is a DC-coupled electronic voltage amplifier with a differential input, a (usually) single-ended output, and an extremely high gain.

See All-pass filter and Operational amplifier

Padé approximant

In mathematics, a Padé approximant is the "best" approximation of a function near a specific point by a rational function of given order.

See All-pass filter and Padé approximant

Passivity (engineering)

Passivity is a property of engineering systems, most commonly encountered in analog electronics and control systems.

See All-pass filter and Passivity (engineering)

Phase (waves)

In physics and mathematics, the phase (symbol φ or ϕ) of a wave or other periodic function F of some real variable t (such as time) is an angle-like quantity representing the fraction of the cycle covered up to t. It is expressed in such a scale that it varies by one full turn as the variable t goes through each period (and F(t) goes through each complete cycle).

See All-pass filter and Phase (waves)

References

[1] https://en.wikipedia.org/wiki/All-pass_filter

Also known as All pass filter, Allpass, Allpass filter.

All-pass filter, the Glossary

Table of Contents

See also

Filter frequency response

References