HP ESG-D Series, Руководство пользователя

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7-7
Operation
Data Clock Timing Patterns (Options UN3 and UN4)
Internally-Framed External User Data
The following timing diagram shows the following information:
• DATA CLOCK OUT signal
• SYMBOL SYNC OUT signal in continuous mode (only applies to digital modulation
modes with 2 bits per symbol)
• EVENT 2 OUT signal
• internal data pattern
• external data pattern
Ext. Data Input
Event 2 Out
Symbol Sync Out
Data Clock Out
x===x===x===x===x===x===x===x===x
XXXXXXXXXXXXXXX
XXXXXX
Internal Data
x===x===x
==x===x===x===x===x XXXXXXXXXXXXXXXXXXXXXXX =
where x is data transition; = is data valid 0 or 1; X is data “don’t care”