User's Manual

Screen Service SDT ARK 1 ECHO Purpose and planning
Jan, 2012 v 1.ATSC_FCC Page 2 - 1
SDT ARK 1 ECHO
Software Defined
Transposer / Re-Transmitter
Gap Filler / Echo canceller
OPERATION MANUAL
2 PURPOSE AND PLANNING
CONTENTS
2.1 GENERALITY ......................................................................................................................................... 3
2.2 INTRODUCTION .................................................................................................................................... 3
2.2.1 ANALOG/DIGITAL TELEVISION HETERODYNE TRANSPOSER ................................................ 3
2.2.2 DIGITAL TELEVISION HETERODYNE TRANSPOSER WITH ECHO CANCELLER .................... 4
2.2.3 RE-BROADCASTING ATSC MODULATOR ................................................................................... 4
2.2.4 FUNCTIONAL BLOCK DIAGRAMS ................................................................................................ 5
2.3 PURPOSE .............................................................................................................................................. 8
2.4 COMPOSITION ...................................................................................................................................... 8
2.4.1 FRONT AND REAR PANEL FUNCTIONS LIST ............................................................................. 9
2.5 TECHNICAL PERFORMANCE ............................................................................................................ 11
2.5.1 GENERAL ...................................................................................................................................... 11
2.5.2 MECHANICAL AND ENVIRONMENTAL ...................................................................................... 11
2.5.3 INPUT PARAMETERS .................................................................................................................. 11
2.5.3.1 RF ........................................................................................................................................... 11
2.5.3.2 ASI 1, 2, 3, 4 ........................................................................................................................... 11
2.5.3.3 GPS ........................................................................................................................................ 12
2.5.3.4 10 MHz ................................................................................................................................... 12
2.5.3.5 1 PPS ..................................................................................................................................... 12
2.5.3.6 OPTOCOUPLERS (4) ............................................................................................................ 12
2.5.4 OUTPUT PARAMETERS .............................................................................................................. 12
2.5.4.1 RF GENERAL ........................................................................................................................ 12
2.5.4.2 RF ATSC MODE .................................................................................................................... 12
2.5.4.3 ASI OUT HP ........................................................................................................................... 12
2.5.4.4 ASI OUT LP ............................................................................................................................ 12
2.5.4.5 RELAYS ................................................................................................................................. 13
2.5.5 DIGITAL MODULATION ................................................................................................................ 13