LG 3803 Manuel d'utilisateur télécharger pdf (Page 13)

(4) ASI, SPI Input Specifications

Input Packet Format 188 bytes

Applicable Stream MPEG-2 TS (ISO/IEC 13818-1)

Input Data Rate 25 Mbps max.

(5) FREQ STD Input

Input Connector BNC

Input Impedance 50 Ω

Input Level 0.8 Vp-p

Input Frequency 10 MHz

(6) FREQ STD Output

Output Connector BNC

Output Impedance 50 Ω

Output Level +4 dBm

Output Frequency 10 MHz

(7) 4-Wire Serial BER Input

Input Connector BNC

Input Level LVTTL 3.3 V

Input Signal SYNC, VALID, CLOCK, DATA

(8) TS Clock Output

Output Connector BNC

Output Impedance 50 Ω

Output Level TTL

Output Frequency 8VSB 2.424083 MHz

64QAM 3.371294 MHz

256QAM 4.851338 MHz

2.3.4 C/N Generator Section

C/N Variable Range 0 to 31 dB

Setting Resolution 0.1 dB

On/Off Selectable

2.3.5 BER Counter Section

(1) Input Section

Packet Length 188 bytes

Input Connector DVB-SPI connector, serial input

(2) GO/NO-GO Function

Threshold Settings Upper and lower limits of BER

GO/NO-GO Indication Displays GO/NO-GO on the screen.

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LG 3803 Manuel d'utilisateur Page 13