Comtech EF Data QAM256 User Manual
Page 5
Preface
QAM256 Digital Video Modulator and Upconverter
vi
TM077 - Rev. 4.0
Trademarks
Product names mentioned in this manual may be trademarks or registered trademarks of their
respective companies and are hereby acknowledged.
Copyright
©2008, Radyne Corp. This manual is proprietary to Radyne Corp. and is intended for the
exclusive use of Radyne Corp.’s customers. No part of this document may in whole or in part, be
copied, reproduced, distributed, translated or reduced to any electronic or magnetic storage
medium without the express written consent of a duly authorized officer of Radyne Corp.
Disclaimer
This manual has been thoroughly reviewed for accuracy. All statements, technical information,
and recommendations contained herein and in any guides or related documents are believed
reliable, but the accuracy and completeness thereof are not guaranteed or warranted, and they
are not intended to be, nor should they be understood to be, representations or warranties
concerning the products described. Radyne Corp. assumes no responsibility for use of any
circuitry other than the circuitry employed in Radyne Corp. systems and equipment. Furthermore,
since Radyne Corp. is constantly improving its products, reserves the right to make changes in
the specifications of products, or in this manual at any time without notice and without obligation
to notify any person of such changes.
Record of Revisions
Revision
Level
Date
Reason for Change
1.0 1-1-99
New
Release
1.1
3-30-99
Clarified DVB ASI information, revised data rates in Specifications section
2.0
4-5-01
Merged TM077 QAM256 Digital Video Modulator with TM084 QAM256
Digital Video Modulator and Upconverter Manuals
3.0
12-3-02
Revised and reformatted Technical Manual. Revised Figure 5-1.
3.1
1-20-04
Revised and reformatted Technical Manual.
3.2
12-29-04
Changed Power Output Accuracy from ± .50 to ± 1.0 dB. Reformatted
manual.
4.0 4-29-08
Correct
product performance stated.
Comments or Suggestions Concerning this Manual
Comments or suggestions regarding the content and design of this manual are appreciated. To
submit comments, please contact the Radyne Corp. Customer Service Department.