Zero-Order Hold (Using Simulink)

Implement zero-order hold of one sample period.

Library

Discrete

Description

The Zero-Order Hold block implements a sample-and-hold function operating at the specified sampling rate. The block accepts one input and generates one output, both of which can be scalar or vector..

This block provides a mechanism for discretizing one or more signals or resampling the signal at a different rate. You can use it in instances where you need to model sampling without requiring one of the other more complex discrete function blocks. For example, it could be used in conjunction with a Quantizer block to model an A/D converter with an input amplifier.

Data Type Support

A Zero-Order Hold block accepts real- or complex-valued signals of any data type.

Parameters and Dialog Box

Sample time: The time interval between samples. The default is 1.

Characteristics

Direct Feedthrough
Yes

Sample Time
Discrete

Scalar Expansion
Yes

States
0

Dimensionalized
Yes

Zero Crossing
No

Direct Feedthrough	Yes
Sample Time	Discrete
Scalar Expansion	Yes
States	0
Dimensionalized	Yes
Zero Crossing	No

XY Graph Zero-Pole