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Transfer Fcn Direct Form II - Implement Direct Form II realization of transfer function

Library

Additional Math & Discrete / Additional Discrete

Description

The Transfer Fcn Direct Form II block implements a Direct Form II realization of the transfer function specified by the Numerator coefficients and the Denominator coefficients excluding lead parameters. The block only supports single input-single output transfer functions.

The block automatically selects the data types and scalings of the output, the coefficients, and any temporary variables.

Data Type Support

The Transfer Fcn Direct Form II block accepts signals of any numeric data type supported by Simulink software, including fixed-point data types.

Parameters and Dialog Box

Numerator coefficients: Specify the numerator coefficients.
Denominator coefficients excluding lead: Specify the denominator coefficients, excluding the leading coefficient, which must be 1.0.
Initial condition: Set the initial condition.
Integer rounding mode: Select the rounding mode for fixed-point operations. For more information, see Rounding in the Simulink Fixed Point User's Guide.
Saturate to max or min when overflows occur: If selected, fixed-point overflows saturate.

Characteristics

Direct Feedthrough	Yes
Scalar Expansion	Yes, of initial conditions