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...

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...

delay equaliser Lattice phase equaliser Minimum phase Hilbert transform High-pass filter Low-pass filter Band-stop filter Band-pass filter Lattice delay...

There is however, one common application for this topology, the lattice phase equaliser, which is also constant resistance and also invented by Zobel....

series capacitor in the main transmission line. All-pass filter Lattice phase equaliser Bartlett's bisection theorem Zobel network Chaloupka & Kolesov...

to unbalanced form using the procedures of Lattice networks Bridged T delay equaliser Lattice phase equaliser Stewart J.L., "Fundamentals of Signal Theory"...

correctly terminated. Examples of constant resistance networks include: Zobel network Lattice phase equaliser Boucherot cell Bridged T delay equaliser...

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...

flat response. Perhaps one of Zobel's most fascinating inventions is the lattice filter section. This section is both constant resistance and flat response...

filters, attenuators and equalisers. The lattice topology is intrinsically balanced, there is no unbalanced counterpart to the lattice and it will usually...

many others, the bridge rectifier, the Wheatstone bridge and the lattice phase equaliser. Bridge topology is rendered in circuit diagrams in several ways...

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...

voltage comes to be in-phase with the input signal. The gain and phase expressions together may be combined into these phasor expressions representing...

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...

)}}\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...

(electrical) LTI systems. ECE 209: Sources of Phase Shift, an intuitive explanation of the source of phase shift in a high-pass filter. Also verifies simple...

Semiconductor AN-779 application note describing analog filter theory Lattice AN6017 application note comparing and contrasting filters (in order of...

application of lattice filters (X-sections) is in all-pass filters used for phase equalisation. Although T and bridged-T sections can always be transformed into...

a real sinusoid with amplitude I0, angular frequency ω0 = ⁠1/√LC⁠, and phase angle ϕ {\displaystyle \phi } . Thus, the resulting solution becomes I (...

_{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...

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...

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...

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...

| G ( j ω a ) | {\displaystyle |G(j\omega _{a})|} does not contain any phase information, directly factoring the transfer function will not produce usable...

particular stopband specification, but Butterworth filters have a more linear phase response in the passband than Chebyshev Type I/Type II and elliptic filters...

attenuation coefficient of the filter β {\displaystyle \beta \,\!} the phase coefficient of the filter Note that all of these coefficients are defined...

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...

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...

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...

}}}\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...