Comtech EF Data SDM-2020 - Manual (Page 213)

Errata A
Comtech EF Data Documentation Update
Subject: Changes to Table 2-1. General Specification
Date: July 9, 2003
Document: SDM-2020 Satellite Modulator Installation and Operation Manual,
Rev. 7, dated June 30, 2002
Part Number: MN/SDM2020.EA7
Collating Instructions: Attach this page to page 2-1
Comments:
The following changes provide updated information for Table 2-1. This information will be
incorporated into the next revision.
Change Specifics:
Table 2-1. General Specifications
Parameter Specification
Spectral Shaping DVB-1, square-root raised cosine, α = 0.35 per EN 300 421
and prEN 301 210
DVB-2, narrower than DVB-1. Substantically meets DVB
25% rolloff but not fully compliant.
99% BW, 99% of the transmitted energy is contained within
a bandwidth
≤ 1.2 x (Symbol Rate).
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