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Type of signal processing filter
A lattice phase equaliser or lattice filter is an example of an all-pass filter. That is, the attenuation of the filter is constant at all frequencies
Lattice_phase_equaliser
resistance networks include: Zobel network Lattice phase equaliser Boucherot cell Bridged T delay equaliser "Constant-resistance network - HomoFaciens"
Constant-resistance_network
Type of filter in signal processing
There is however, one common application for this topology, the lattice phase equaliser, which is also constant resistance and also invented by Zobel.
Zobel_network
series capacitor in the main transmission line. All-pass filter Lattice phase equaliser Bartlett's bisection theorem Zobel network Chaloupka & Kolesov
Bridged_T_delay_equaliser
Signal processing filter
delay equaliser Lattice phase equaliser Minimum phase Hilbert transform High-pass filter Low-pass filter Band-stop filter Band-pass filter Lattice delay
All-pass_filter
research and took the form of a cascade of lattice phase equalisers to provide the necessary delay. The lattice phase circuit was invented by Otto Zobel in
Artificial_transmission_line
Two-port electrical wave filter
lattice network to have the characteristics of: a delay network, an amplitude or phase correcting network, a dispersive network or as a linear phase filter
Lattice_network
Form taken by the network of interconnections of a circuit
many others, the bridge rectifier, the Wheatstone bridge and the lattice phase equaliser. Bridge topology is rendered in circuit diagrams in several ways
Circuit_topology_(electrical)
Lattice network
to unbalanced form using the procedures of Lattice networks Bridged T delay equaliser Lattice phase equaliser Stewart J.L., "Fundamentals of Signal Theory"
Lattice_delay_network
Electric circuit composed of resistors and capacitors
voltage comes to be in-phase with the input signal. The gain and phase expressions together may be combined into these phasor expressions representing
RC_circuit
Equivalent circuit for impedance networks
filters, attenuators and equalisers. The lattice topology is intrinsically balanced, there is no unbalanced counterpart to the lattice and it will usually
Equivalent impedance transforms
Equivalent_impedance_transforms
Resistive and inductive circuit
)}}\right|={\frac {R}{\sqrt {R^{2}+\left(\omega L\right)^{2}}}}\,,} and the phase angles are: ϕ L = ∠ H L ( s ) = tan − 1 ( R ω L ) {\displaystyle \phi
RL_circuit
American electrical engineer (1887–1970)
flat response. Perhaps one of Zobel's most fascinating inventions is the lattice filter section. This section is both constant resistance and flat response
Otto_Julius_Zobel
Electrical circuit with equal-length transmission lines
a narrow band of frequencies. Examples are the lattice phase equaliser and bridged T delay equaliser. There is consequently no lumped circuit that Richard's
Commensurate_line_circuit
Electronic filter circuits defined by component connection
capacitance. A major application of lattice sections is in all-pass filters used for phase equalisation. Lattice circuits were also important in early
Electronic_filter_topology
Circuits used to correct network or transmission line errors
Lattice and bridged-T equalizers are circuits which are used to correct for the amplitude and/or phase errors of a network or transmission line. Usually
Lattice and bridged-T equalizers
Lattice_and_bridged-T_equalizers
Electrical resonant circuit
a real sinusoid with amplitude I0, angular frequency ω0 = 1/√LC, and phase angle ϕ {\displaystyle \phi } . Thus, the resulting solution becomes I (
LC_circuit
Type of electronic filter used in audio
all-pass, exhibiting a flat amplitude response with a smoothly changing phase response. This is a primary advantage of L-R crossovers compared to even-order
Linkwitz–Riley_filter
Type of electronic filter designed using the image method
_{c}}}} That is, the transmission is lossless in the pass-band with only the phase of the signal changing. Above the cut-off frequency, the transmission parameters
Constant_k_filter
Filter that has a linear response
the phase as a function of frequency, however in many cases the phase response is of little or no interest. FIR filters can be made to have zero phase, but
Linear_filter
Type of electronic circuit or optical filter
systems. ECE 209: Sources of Phase Shift Archived 2011-07-16 at the Wayback Machine, an intuitive explanation of the source of phase shift in a high-pass filter
High-pass_filter
Electronic filters designed by the network synthesis method
time-delay (group delay) over its passband. This gives the filter a linear phase response and results in it passing waveforms with minimal distortion. The
Network_synthesis_filters
Type of analog linear filter in electronics
linear filter with a maximally flat group delay (i.e., maximally linear phase response), which preserves the wave shape of filtered signals in the passband
Bessel_filter
Signal processing filter
| G ( j ω a ) | {\displaystyle |G(j\omega _{a})|} does not contain any phase information, directly factoring the transfer function will not produce usable
Elliptic_filter
one band with the sharpest possible cut-off, but in another to minimise phase distortion while still achieving some attenuation. If the form is identical
General_mn-type_image_filter
Resistor Inductor Capacitor Circuit
two trigonometric functions may be expressed as a single sinusoid with phase shift, I ( t ) = B 3 e − α t sin ( ω d t + φ ) . {\displaystyle I(t)=B_{3}e^{-\alpha
RLC_circuit
Type of signal processing filter
particular stopband specification, but Butterworth filters have a more linear phase response in the passband than Chebyshev Type I/Type II and elliptic filters
Butterworth_filter
Property of a thermodynamic system
via the ideal gas law. A system composed of a pure substance of a single phase at a particular uniform temperature and pressure is determined, and is thus
Entropy
Filter used in signal processing on continuous-time signals
theorems of Gustav Kirchhoff and others and the ideas of Charles Steinmetz (phasors) and Arthur Kennelly (complex impedance) laid the groundwork. The concept
Analogue_filter
Type of electronic filter
}}}\right)^{2}}}\right)+i0} The plots shown of image impedance, attenuation and phase change are the plots of a low-pass prototype filter section. The prototype
M-derived_filter
attenuation coefficient of the filter β {\displaystyle \beta \,\!} the phase coefficient of the filter Note that all of these coefficients are defined
Image_filter_end_terminations
Scottish professor of engineering (born 1944)
digital phased array acoustic imaging system. From 1982 to 1987 he was a reader at the University of Edinburgh, where his research focused on lattice, frequency
Peter_Mitchell_Grant
of single buoy mooring consisting of a buoyant upper structure with a lattice leg linked by an articulating joint to a mooring. alternative air source
Glossary of underwater diving terminology: A–C
Glossary_of_underwater_diving_terminology:_A–C
Type of analog or digital filter
the above equation. The group delay is defined as the derivative of the phase with respect to angular frequency: τ g = − d d ω arg ( H ( j ω ) ) {\displaystyle
Chebyshev_filter
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LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
LATTICE PHASE-EQUALISER
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