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WEA21-DM48A |
WEA21-DM48A´Â DPD(Digital Pre-Distortion) ±¤ Áß°è½Ã½ºÅÛ¿¡ »ç¿ëµÇ´Â
RF POWER AMPLIFIER·Î¼ Áß°è±â ½Ã½ºÅÛ¿¡ ÀåÂøµÇ¾î RF½ÅÈ£ Àü·ÂÀ»
ÁõÆø½ÃÄÑ ANTENNA¿¡ °ø±ÞÇÏ´Â ¿ªÇÒÀ» ÇÑ´Ù.
WEA21-DM48A´Â ÀÚü °³¹ßÇÑ DPD ¼Ö·ç¼ÇÀ» ¹ÙÅÁÀ¸·Î 2.1GHz ´ë¿ª
WCDMA½ÅÈ£¿¡ ´ëÇÏ¿© »ç¿ë °¡´ÉÇϸç, À̵æÀÌ 77.5dBÀ̸ç,
WCDMA 4FA ½ÅÈ£¸¦ ½Ã½ºÅÛ ±âÁØÀ¸·Î RF Ãâ·Â Æò±Õ Àü·Â 60W¿¡ ´ëÇÏ¿©
³ªÅ¸³ ACLR ¹× SPURIOUS µîÀÌ SPECÀ» ¸¸Á·ÇÑ´Ù. |
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WEA08/21-HM39/39B |
WEA08/21-HM39/39B´Â RF POWER AMPLIFIER·Î¼ RF ½Ã½ºÅÛ¿¡ ÀåÂøµÇ¾î
RF½ÅÈ£ Àü·ÂÀ» ÁõÆø½ÃÄÑ ANTENNA¿¡ °ø±ÞÇÏ´Â ¿ªÇÒÀ» ÇÑ´Ù.
WEA08/21-HM39/39B´Â 800MHz´ë¿ª ½ÅÈ£¸¦ 54dB ÁõÆøÇÏ°í
2.1GHz´ë¿ª ½ÅÈ£¸¦ 54dB ÁõÆøÇÑ´Ù.
RF Ãâ·Â Æò±Õ Àü·ÂÀº °¢°¢ CDMA-20FA 8W / WCDMA-4FA 8WÀÌ´Ù.
RF Ãâ·Â Æò±Õ Àü·Â 8W¿¡ ´ëÇÏ¿© ³ªÅ¸³ ACPR ¹× SPURIOUS µîÀÇ SPEC.À»
¸¸Á·ÇÏ°í, ±¸Çö ±â¼ú·Î´Â HPA¹æ½ÄÀ» »ç¿ëÇÑ´Ù. |
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WEA21-LM48E |
WEA21-LM48E´Â RF POWER AMPLIFIER·Î¼ RF ½Ã½ºÅÛ¿¡ ÀåÂøµÇ¾î
RF½ÅÈ£ Àü·ÂÀ» ÁõÆø½ÃÄÑ ANTENNA¿¡ °ø±ÞÇÏ´Â ¿ªÇÒÀ» ÇÑ´Ù.
WEA21-LM48E´Â 2.1GHz ´ë¿ªWCDMA½ÅÈ£¿¡ ´ëÇÏ¿© »ç¿ë °¡´ÉÇÑ ¾ÚÇÁÀÌ°í,
À̵æÀÌ 55dB À̸ç, WCDMA½ÅÈ£ 4FA ±âÁØÀ¸·Î RF Ãâ·Â Æò±Õ Àü·Â 60W¿¡
´ëÇÏ¿© ³ªÅ¸³ ACLR ¹× SPURIOUS µîÀÌ SPECÀ» ¸¸Á·ÇÑ´Ù.
¼±ÇüÈ ±â¼ú·Î´Â FEED FORWARD¹æ½ÄÀ» ÀÌ¿ëÇÏ¿´´Ù. |
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WEA21-LM48H |
WEA21-LM48H ÁõÆø±â´Â 2.1GHz´ë¿ª WCDMA ½ÅÈ£¿¡ ´ëÇÏ¿© »ç¿ë °¡´ÉÇÑ
¾ÚÇÁÀÌ´Ù. ÁÖÆļö 2130~2150MHz ±îÁö 3GPP TS-25.141 Spec.À» ¸¸Á·ÇÑ´Ù.
ÁõÆø±â ¼±ÇüÈ ¹æ½ÄÀº Feed-Forward ±â¼úÀ» »ç¿ëÇÏ¿´´Ù.
±âÁ¸ Repeater º°µµÀÇ ¸ðµâ¿¡ ±¸ÇöµÇ´ø Drive amp. ÀÇ ±â´ÉÀÎ °¡º¯ °¨¼â±â
[°¡º¯ ¹üÀ§ 0~40dB]¿Í drive ÁõÆøÀÇ ±â´ÉÀ» ³»ÀåÇÑ´Ù.
¶ÇÇÑ ÁõÆø±â¸¦ Á¦¾î¸¦ À§ÇÑ CPU ºÎºÐ ¹× ÀϺΠµðÁöÅкδ º°µµÀÇ ¸ðµâ
[ Remote Repeater Control Unit ÀÌÇÏ ¡®R_RCU¡¯ ]·Î ÁõÆø±â ¿ÜºÎ¿¡ ÀåÂøµÈ´Ù.
ÀÌ ¸ðµâÀº Áß°è±âÀÇ Remote unit Àüü¿¡ ´ëÇÑ Á¦¾î¸¦ ´ã´çÇÑ´Ù. |