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LG-3802 – OP71 OP72

  • ModelLG-3802
  • MakerLeader
  • DescriptionISDB-T Signal Generator
  • OptionOP71 OP72
  • Rental문의요망
  • Stock문의요망
Data Sheet
General
CHANNEL CODING SECTION

 

Broadcasting System
Digital terrestrial TV: ARIB STD-B31
Digital terrestrial audio: ARIB STD-B29

Transmission Parameter
Hierarchical layer:
TV: 3 layers maximum
Audio 3 segment: 2 layers maximum
Audio 1 segment: 1 layer only
Mode: MODE 1, MODE 2, MODE 3
Guard interval: 1/4, 1/8, 1/16, 1/32
Carrier modulation: DQPSK, QPSK, 16QAM, 64QAM
Convolution coding rate: 1/2, 2/3, 3/4, 5/6, 7/8
Time Interleave Length: 0 to 32 (depends on broadcasting system and MODE)
Number of segments:
TV: 13, each layer can be arbitrarily set
Audio 3 segment: 3, each layer can be arbitrarily set
Audio 1 segment: 1
Connected segment transmission: settable
Partial reception: settable
Reed-Solomon code: ON/OFF selectable
Inputs/Outputs
DVB-ASI Signal Input
Input connector: BNC
Input impedance: 75 ohms
Input level: 0.8 Vp-p
Baud rate: 270 Mbps

 

DVB-SPI Signal Input
Input Connecter: 25-pin D-sub
Input Impedance: 100 ohms differential input
Input level: LVDS
Input format: MPEG2-TS or BER count input, selectable

ASI, SPI Input Specifications
Input packet format: 188,204 bytes
Applicable stream: MPEG2-TS (ISO/IEC 13818-1)
Input data rate:
TV:23,2347 Mbps maximum
Audio 3 segment: 5,3618 Mbps maximum
Audio 1 segment 1,7872 Mbps maximum
Update parameter:
PCR (8 maximum)
PTS/DTS (8 maximum)
Continuity counter: (64 maximum)

External REF Input
Input connecter: BNC
Input impedance: 50 ohms
Input level: 0.8 Vp-p
Input frequency: 10Mhz

REF Output
Output connecter: BNC
Output impedance: 50 ohms
Output level: 0 dBm
Output frequency: 10Mhz
BER Counter Section
Input Section Packet Length: 204 bytes (including 16-byte Reed-Solomon code)
Input connecter: DVB-SPI input connecter is used
GO/NO-GO function limit settings: Displays GO/NO-GO on the screen
C/N Generator Section
C/N variable range: 0 to 30 dB
Setting resolution: 0.1 dB
Additional controller: ON/OFF, selectable
External Interface
Memory card: Compact flash card (CFA TYPE-1, TYPE-II)
ETHER interface specifications: 10BASE-T/100BASE-TX
USB interface specifications: USB 1.1
GPIB connecter specifications:
24-pin square connecter
Conforms to ANSI/IEEE standard 488.1-1987
Remote control connecter:
28-pin square connecter
57LE-30240 (amphenol)
Remote mode input level:
Recalling preset memory (INC/DEC)
TTL
Display
LCD: 5-11/16 QVGA (320 x 240) TFT color
Power
90-250VAC universal, 50/60Hz
Dimensions
5-7/8 x 16-3/4 x 17-11/16 (150 x 426 x 450mm)
Weight
30.86 lbs (14kg)
  • All-In-One : This instrument features the signal generator capability and BER measurement capability in a single package. The BER function is used to measure the front-end section, the MPEG2-TS function is used to visually check entire system. In addition to the digital terrestrial TV broadcasting, this instrument can also be used for the connected segment transmission of 1, 3, and 8 segments in digital terrestrial audio broadcasting.
  • Arbitrary Transmission Parameter Settings : The transmission parameter can be arbitrary set via the front panel controls. The QVGA LCD graphically displays the setting conditions.
  • MPEG2-TS Encoding/Modulation In Realtime : The MPEG2-TS applied from the DVB-ASI or DVBSPI connector can be encoded/modulated in realtime. In addition to the MPEG2-TS, broadcasting TS prescribed in the ARIB standards can also be used.
  • 100 Preset Conditions : Up to 100 preset conditions can be stored in the memory. Since the stored contents can be categorized into 10 groups, the preset mode is convenient for inspection applications.
  • Various Factory Options :
    ㆍ OP71 Moving Picture Option – By installing a HDD with USB connector, a stream including HDTV content (i.e., requires large storage area) and long-time TS can be played back from the HDD.

    ㆍ OP72 Fading Option – The fading noise can be added to a mobile and portable receivers to check a ghost and multipass.

  • ㆍ OP71 Moving Picture Option – By installing a HDD with USB connector, a stream including HDTV content (i.e., requires large storage area) and long-time TS can be played back from the HDD.

    ㆍ OP72 Fading Option – The fading noise can be added to a mobile and portable receivers to check a ghost and multipass.

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