LG 3803 User Manual
Page 12
2.3 Specifications
2.3.1 Channel Coding Section
(1) Broadcasting system
Digital Terrestrial (ATSC A/53B)
CATV (ITU-T J.83 annex B)
(2) Modulation system
8VSB/64QAM/256 QAM
2.3.2 RF Signal Generator
(1) Frequency
Range
50 to 900 MHz
Resolution
1 kHz, set in frequency
Channel USA,
KOREA
Accuracy
±0.4 x 10
-6
(2) Output
Range
-100 to +13 dBm (into 50 Ω)
Resolution 0.1
dB
Impedance 50
Ω
Level Accuracy
±1 dB (at 0 dBm, C/N off)
Output Connector
N type
Harmonics -30
dBc
Spurious -50
dBc
2.3.3 Input/Output Signal Sources
(1) Internal Signal
Pseudo Random Signal PN23
Still Picture Pattern
Color bar, ramp, monoscope (＊1)
Screen Size
16:9
1920 x 1080i, 1280 x 720p, 704 x 480i (＊1)
4:3
704 x 480i (＊1)
Sound (Tone)
1 kHz (LR), 400 Hz (LR), 1 kHz (L) + 400 Hz (R) (＊1)
＊
1: Specifications are subject to change without notice.
(2) DVB-ASI Input
Input Connector
BNC
Input Impedance
75 Ω
Input Level
0.8 Vp-p
Baud Rate
270 Mbps
(3) DVB-SPI Input
Input Connector
25-pin D-sub
Input Impedance
100 Ω differential input
Input Level
LVDS
Input Format
MPEG-2 TS or BER count input, automatic selection
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