Circuit Protection of Component Video
Design Notes:
Protection Application:
Video signals used in the Component video format have a maximum magnitude of 1.0 Vp-p, with a maximum frequency of 5MHz. At this frequency, the capacitance of the suppressor needs to be taken into account. The signal lines to be protected from ESD include Y, CB, and CR.
Solution Description:
As shown at the left, discrete multilayer varistors can be used for maximum board layout flexibility. In cases where part count reduction is important, a Diode array can be used.
Companion Solutions:
Other solutions within the Ruilon MLV portfolio exist in addition to these recommendations. For example, if the manufacturing process cannot handle 0402-size components, devices with the same characteristics can be found in 0603-size components.
Regulatory Issues:
The IEC 61000-4-2 will be the most appropriate standard that applies for this port. It supplies a test method for verifying that the end product is not susceptible to ESD events.
Unique Features:
Does not apply.
Application Warnings:
Does not apply.

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