what is lattice network ?
Answers
Explanation:
A symmetrical lattice is a two-port electrical wave filter in which diagonally-crossed shunt elements are present – a configuration which sets it apart from ladder networks. The component arrangement of the lattice is shown in the diagram below. The filter properties of this circuit were first developed using image impedance concepts, but later the more general techniques of network analysis were applied to it.
There is a duplication of components in the lattice network as the "series impedances" (instances of Za) and "shunt impedances" (instances of Zb) both occur twice, an arrangement that offers increased flexibility to the circuit designer with a variety of responses achievable. It is possible for the lattice network to have the characteristics of: a delay network,[1] an amplitude or phase correcting network,[2] a dispersive network [3] or as a linear phase filter,[4]:412 according to the choice of components for the lattice elements.
lattice network is a symmetrical network, let us derive expressions for the characteristic impedance (Z0) and propagation constant (γ). It is very convenient to use bridge structure of the lattice network for the calculation of propagation constant.
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