User's Manual

Screen Service SDT ARK 1 ECHO Purpose and planning
Jan, 2012 v 1.ATSC_FCC Page 2 - 11
2.5 TECHNICAL PERFORMANCE
2.5.1 GENERAL
Available standards ATSC
Operating frequency range VHF Band I: 45 - 90 MHz
VHF Band III: 174 - 260 MHz
UHF Band IV & V: 470 - 860 MHz
IF Frequency 36 MHz +/- 4
IF Bandwidth 6 -7- 8 MHz (TBS)
Time delay 7 us typ.
ECHO Delay correction capability 20 us max
(Equipment time delay NOT included)
Correction speed 40 mSec (echoes from +10 to -20 dB)
2 Sec (echoes less than -20 dB)
Cooling Forced Air
Main supply 230 V AC
MAX Power consumption 750 VA (SDT 201 UB - ARK 1)
250 VA (SDT 500 UB - ARK 1)
200 VA (SDT 200 UB - ARK 1)
150 VA (SDT 100 UB - ARK 1)
2.5.2 MECHANICAL AND ENVIRONMENTAL
Dimensions 483 mm (W) x 400 mm (D) x 45/90 mm (H)
Weight 10/18 kg approx.
Operating temperature from 0° C to + 45° C
Storage temperature from -10° C to +60° C
Maximum relative humidity 90%, non condensing
2.5.3 INPUT PARAMETERS
2.5.3.1 RF
Input connector N female
Input Signal 8VSB_ATSC_RF
Input Level -45 dBm ± 20 dB
Impedance 50 Ω
2.5.3.2 ASI 1, 2, 3, 4
Input Signal MPEG-2 Transport Stream, ASI format
Input Level 800 mV (±10%)
Data rate 270 MB/s
Data rate error ±3 ppm
Input connector BNC
Input impedance 75 Ω