Olson Technology MUSCLE-EM55X - Manual (Page 62)

OTOT-EM55X/XL Optical Transmitter Rev. x1 www.olsontech.com
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Setting the Channel Spacing of the Transmitted CATV Signal
The OTOT-EM55X provides a unique technology to minimize CSO distortions without requesting pilot tones. By set-
ting the channel spacing to the correct value the CSO control loop will operate with utmost performance. The picture
below shows how to set the channel spacing.
Figure 49 — Setting the Channel Spacing of the OTOT-EM55X
NTSC channel plans in general provide a 6MHz spacing; PAL-D channel plans in general show an 8MHz spacing. In
Europe also 7 MHz spacing is used in some channel plans.