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GATT´Â À§¼º DMB¿ë Gap FillerÀÇ ¼º´ÉÀ» °ËÁõÇÏ°í Gap Filler¸¦ °³¹ßÇÏ´Â °úÁ¤¿¡¼­µµ ´Ù¾çÇÑ ½ÅÈ£ °ø±Þ ¶Ç´Â ¼º´ÉÃøÁ¤ ±â´ÉÀ» Á¦°øÇϱâ À§ÇÑ ÀåÄ¡ÀÔ´Ï´Ù.
À̸¦ À§ÇØ GATT´Â Gap FillerÀÇ ÀԷ½ÅÈ£¸¦ °ø±ÞÇϱâ À§ÇÑ TDM ½ÅÈ£¸¦ Á¦°øÇÏ°í, Gap FillerÀÇ Ãâ·Â ½ÅÈ£¿Í µ¿ÀÏÇÑ CDM ½ÅÈ£¸¦ Á¦°øÇÕ´Ï´Ù. ¶ÇÇÑ Gap FillerÀÇ ¼º´ÉÀ» °ËÁõÇÒ ¼ö ÀÖµµ·Ï Gap FillerÀÇ ½ÅÈ£¸¦ ¼ö½ÅÇÏ¿© ¿©·¯°¡Áö ¼º´ÉÀ» ÃøÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù.

°íÇ°ÁúÀÇ Gap Filler °³¹ß
  • ´Ù¾çÇÑ ÇüÅÂÀÇ ±âÁؽÅÈ£ Á¦°ø
  • Gap Filler Modulator¿¡ ´ëÇÑ ¼º´É ºÐ¼® ±â´É Á¦°ø
  • Gap FillerÀÇ ¼º´É ±Ô°Ý Á¦½Ã
Gap Filler »ý»ê ¹× À¯Áö º¸¼ö¿ë Àåºñ ±â´É Á¦°ø
 

Gap Filler¿¡ ±âÁØ ÀÔ·Â ½ÅÈ£¸¦ Á¦°ø ÈÄ Ãâ·Â´Ü¿¡¼­ ¼º´ÉÀ» ºÐ¼®
À§¼º DMB¿ë ´Ü¸»±â¿¡ ´Ù¾çÇÑ ÇüÅÂÀÇ ±âÁØ ½ÅÈ£¸¦ Á¦°ø
GATT-4000BÀÇ ±¸Çö ±Ô°Ý
  • TDM ¼Û½ÅºÎ ¿ä±¸ ±Ô°Ý :
    EN 300 421 V1.1.2, ¡°Digital Video Broadcasting(DVB) framing structure, channel coding and modulation for 11/12GHz satellite services¡±
  • CDM ¼Û½ÅºÎ ±Ô°Ý :
    ITU-R BO.1130.3, ¡°System description and selection for digital satellite broadcasting to vehicular, portable and fixed receiver in the bands allocated to BSS(sound) in the frequency range 1400-2700MHz"
GUI¸¦ ÅëÇÑ ¼Õ½¬¿î »ç¿ëÀÚ ÀÎÅÍÆäÀ̽º Á¦°ø

TDM ½ÅÈ£ ¹ß»ý
  • DVB-S ±Ô°Ý¿¡ µû¸£´Â TDM ½ÅÈ£ÀÇ ¹ß»ý
  • TX Level Á¶Àý, C/N ºñÀ² Á¶Àý
  • TX Frequency Á¶Àý
CDM ½ÅÈ£ ¹ß»ý
  • System-E ±Ô°Ý¿¡ µû¸£´Â CDM ½ÅÈ£ÀÇ ¹ß»ý
  • TX Level Á¶Àý, Eb/No Á¶Àý, ä³Î ON/OFF ±â´É
S-CDM ½ÅÈ£ ¼ö½Å ÃøÁ¤
  • Data Demodulation ±â´É (SER)
  • Code Domain PowerÃøÁ¤
  • QPSK EVM (Error Vector Magnitude)
  • Composite EVM (Rho)
  • Gap Filler Delay Time ÃøÁ¤ ±â´É
  • Signal Constellation Ç¥½Ã ±â´É
  • Spectrum Ç¥½Ã ±â´É

TDM Ãâ·Â
Ç× ¸ñ ±Ô °Ý
Frequency 1,476.5 MHz
Minimum-Maximum Output Power -65 dBm ~ -15 dBm
Frequency Stability ¡¾0.01ppm
Harmonic Response 45 dBc
OBW 25 MHz
CDM Ãâ·Â
Ç× ¸ñ ±Ô °Ý
Frequency 2642.5 MHz
Minimum-Maximum Output Power -20 dBm ~ 10 dBm
Frequency Stability ¡¾ 0.01ppm
Harmonic Response 60 dBc
ACPR 57 dB ¡¾ 3dB @ -10dBm ~ 10dBm
CCDF 9.5dB @ 0.01% / 11.1dB @ 0.0001%
OBW 20 MHz
CDM ÀÔ·Â
Ç× ¸ñ ±Ô °Ý
Frequency 2642.5 MHz
Minimum-Maximum Output Power -20 dBm ~ 10 dBm
RSSI Á¤È®µµ 0.5 dB
Spectrum ÀÔ·Â (CDM)
Ç× ¸ñ ±Ô °Ý
Center Frequency 2642.5 MHz
Bandwidth 50 MHz
Minimum-Maximum Input Power -10 dBm ~ 10 dBm
Resolution Bandwidth 30 KHz
Dynamic Range 50 dBc
Spectrum ÀÔ·Â (TDM)
Ç× ¸ñ ±Ô °Ý
Center Frequency 1476.5 MHz
Bandwidth 50 MHz
Minimum-Maximum Input Power -10 dBm ~ 10 dBm
Resolution Bandwidth 30 KHz
Dynamic Range 50 dBc
Main Board CPU
Ç× ¸ñ ±Ô °Ý
CPU MPC860 50MHz
Memory 64Mbytes
Flash Memory 16Mbytes
Ether-Net 10 Mbps
COM 4 x RS-232 Áö¿ø
OS Linux

Àü¸éºÎ
  • ¨ç Power SW : ½Ã½ºÅÛ ON/OFF ½ºÀ§Ä¡
  • ¨è LCD Pannel : ½Ã½ºÅÛÀÇ »óÅ display¿Í »ç¿ëÀÚ ÀÎÅÍÆäÀ̽º¿¡ »ç¿ëµÈ´Ù. »ç¿ëÀÚ ÀÎÅÍÆäÀ̽º´Â touch screenÀ¸·Î
                     ±¸¼ºµÇ¾î ÀÖ¾î ´©±¸³ª ½±°Ô ½Ã½ºÅÛÀÇ Á¦¾î °¡´É
  • ¨é REF 10MHz Output : 10MHzÀÇ ³»ºÎ reference ½ÅÈ£¸¦ Ãâ·Â
  • ¨ê REF 10MHz Input : 10MHzÀÇ ¿ÜºÎ ½ÅÈ£¸¦ ¹Þ¾Æ ½Ã½ºÅÛÀÇ reference·Î »ç¿ëÇÏ´Â ¸ðµå¿¡ »ç¿ëµÈ´Ù.
                     ÀÌ °æ¿ì »ç¿ëÀÚÀÎÅÍÆäÀ̽º¸¦ ÅëÇØ ¿ÜºÎ ½ÅÈ£¸¦ »ç¿ëÇϵµ·Ï ¼³Á¤ÇØ¾ß ÇÔ (»ç¿ëÀÚ Manual ÂüÁ¶)
  • ¨ë TDM Baseband I output : TDM ½ÅÈ£ÀÇ baseband ½ÅÈ£ÀÇ I CH. ½ÅÈ£ Ãâ·Â
  • ¨ì TDM Baseband Q output : TDM ½ÅÈ£ÀÇ baseband ½ÅÈ£ÀÇ Q CH. ½ÅÈ£ Ãâ·Â
  • ¨í TDM TX : 1,476.5MHz¸¦ Á᫐ ÁÖÆļö·Î ÇÏ´Â TDM ½ÅÈ£ÀÇ Ãâ·Â (½ÅÈ£ÀÇ ¼¼±â´Â -65dBm~ -15dBm)
  • ¨î CDM RX : Áß½ÉÁÖÆļö°¡ 2.6525GHzÀÎ CDM ½ÅÈ£ÀÇ ÀÔ·Â Æ÷Æ® (ÀÔ·Â ·¹º§Àº -20dBm~10dBm)
  • ¨ï CDM TX : Áß½ÉÁÖÆļö°¡ 2.6425GHzÀÎ CDM ½ÅÈ£ÀÇ Ãâ·Â Æ÷Æ® (Ãâ·Â ·¹º§Àº -20dBm ~ 10dBm)
ÈĸéºÎ
  • ¨ç keyboard : Keyboard Á¢¼Ó Æ÷Æ®
  • ¨è Mouse : Mouse Á¢¼Ó Æ÷Æ®
  • ¨é USB : USB Á¢¼Ó Æ÷Æ®·Î USB 1.1 ±Ô°Ý Áö¿ø
  • ¨ê Ether-Net : Ethernet Á¢¼Ó Æ÷Æ®·Î 10/100BASE-T ±Ô°ÝÀ» Áö¿ø
  • ¨ë RS232C: ½Ã¸®¾ó ÄÉÀÌºí ¿¬°á Æ÷Æ®·Î RS-232 ±â´ÉÀ» Áö¿ø
  • ¨ì Power Fan : Àü¿ø ¸ðµâÀÇ ¹æ¿­ÆÒ
  • ¨í Power Module ON/OFF SW : Àü¿ø ¸ðµâÀÇ ON/OFF ½ºÀ§Ä¡
  • ¨î AC Power ÀÔ·Â : 220V AC Àü¿ø ÀÔ·Â Æ÷Æ®
  • ¨ï System FAN : ½Ã½ºÅÛ º»Ã¼¿¡ ´ëÇÑ ¹æ¿­ÆÒ