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Nonlinear elements must be placed at the root of the Binary Connection Tree (BCT):
- A typical instantaneous nonlinearity is a nonlinear resistor
(such as a diode) or a dependent source (as used
in transistor models, etc.)
- Because the resistance of a nonlinear resistor depends on the
voltage across it, there is no way to avoid an instantaneous
reflection in general (no fixed port-impedance can match it for
all input conditions)
- The nonlinearity is placed at the root of the BCT
A delay-free path is ``computable'' only there (we get one per tree)
- Each sample, computations propagate up the tree to the root,
reflecting instantaneously, then back down to all the
reflection-free ports
Subsections
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Download WaveDigitalFilters.pdf
Download WaveDigitalFilters_2up.pdf
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