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ESGEN vs. traditional Genlock
The example in figure 67, on page 84, uses ESGEN Genlock. Traditional genlock, such as is
output by an Extron BBG 6 A Blackburst Generator, can also be used in many applications.
See the attributes of the two timing references, below, to determine which to use in your
application.
ESGEN Genlock attibutes —
• ESGEN Genlock uses the pixel clock, so it works for all resolutions and frame rate
combinations.
• ESGEN Genlock is a proprietary signal, it can be used only with certain Electrosonic
products acquired by Extron.
• The cable length is limited to 4 feet (1.2 m).
• The recommended limit for daisy chaining ESGEN genlock is three units. Beyond
that, an Extron PDA 108 Player Sync Distribution Amplier for JMP 9600
(part number 60-1148-01) should be used to maintain signal integrity.
Traditional Genlock attributes —
• Traditional Genlock is expected to be NTSC (29.97 Hz) or PAL (25 Hz), so it is limited to
certain resolutions and frame rate combinations.
NOTE: The JMP 9600 can accept a standard NTSC standard definition bi-level
genlock signal and use it to lock a 1080i signal at 59.94 FPs or 1080p signal
at 29.97 FPS.
• Traditional Genlock is very common, so it can be used with a wide variety of non-Extron
system components.
• The cable length can be more than 100 feet (30 m).
JMP 9600 Media Player • Detailed System Interaction 86