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CDMA ICS |
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Á¦Ç°°³¿ä |
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| 95-A/B & 1X, 1xEVDO¿ë RFÁß°è±â¿¡¼ Donor¿Í
Service¾ÈÅ׳ª°£ÀÇ Feedback ½ÅÈ£¸¦ Á¦°ÅÇØÁÖ´Â ICS ¾Ë°í¸®ÁòÀÌ
žÀçµÈ ÇÙ½É ¸ðµâÀÌ´Ù. ÁÖº¯ ȯ°æ º¯È¿¡ µû¸¥ ÀÔ·Â ¹× feedback½ÅÈ£ÀÇ
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µðÁöÅзΠó¸®Çϱ⠶§¹®¿¡ °£¼·Á¦°Å ÀüÈÄ »óȲ, Á¤È®ÇÑ Isolation ¹×
Gain ¼³Á¤ µî, ¸¹Àº ¿î¿ë»óÀÇ µ¥ÀÌÅÍ Á¦°øÀÌ °¡´ÉÇÏ´Ù. |
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°¡) ¹«¼±Ã¤³Î Ư¼º
1. ±âÁ¸ ¾Æ³¯·Î±×¿¡ ºñÇÏ¿© ÀüÆÄȯ°æ¿¡ ´ëÇÑ ±ØÈ÷ È¿À²ÀûÀÎ ¿¹Ãø°¡´É¼º/ÀçÇö¼º
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2. ±¤¹üÀ§ÇÑ ¹«¼± ä³Îº¯È(Multipath)¿¡ ´ëÇÑ ½Ç½Ã°£ ÃßÀû
3. µµ½ÉÁö¿ªÀÇ ´Ù¾çÇÑ ¹«¼±Ã¤³Î ȯ°æ ¼ö¿ë
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1. ¾ÈÁ¤Àû ¿î¿ëÀ» À§ÇÑ À̵æ È®º¸ : Isolation + 10dB
2. ÁÖº¯ ȯ°æ¿¡ ´ëÇÑ ÀûÀÀÇü ½Åȣó¸® ¹× ¿î¿ë : °Ç¹° ½ÅÃà,
°¡·Î¼ö, ¿Âµµº¯È, ºÎǰ ³ëȵî
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»ç¾ç |
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| ¡Ý Apollex-FWD |
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PARAMETER
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CONDITION
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UNIT
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SPECIFICATION
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SPEC.
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ºñ°í
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| Frequency |
-
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MHz
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869~894
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| Gain |
20FA
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dB
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43~13
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| Gain Accuracy |
20FA
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dB
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¡¾ 1
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| Output Power |
CDMA 20FA Total Power
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dBm
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-10
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@max, SMA Conn.(f)
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| Noise Figure |
-
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dB
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5
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@max gain
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| Spurious Emission |
18FA/-10dBm total power
750KHz/1.98MHz
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dBc
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-30/-45
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¡âmarker
RBW : 30KHz
VBW : 100Hz
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| Input Power
Range |
CDMA 20FA
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dBm
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-30 ~ -70
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SMA Conn.(f)
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| Flatness |
20FA
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dB
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3
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Peak to Peak
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| Input/Output
VSWR |
50§Ù
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1.3:1/1.5:1
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| Rho |
CASE 2, 1FA
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-
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0.975
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@max gain
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| Frequency
Stability |
ppm
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0.05
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| ¡Ý Apollex-RVS |
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PARAMETER
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CONDITION
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UNIT
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SPECIFICATION
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SPEC.
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ºñ°í
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| Frequency |
-
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MHz
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824~849
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| Gain |
20FA
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dB
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50~20
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| Gain Accuracy |
20FA
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dB
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¡¾ 1
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| Output Power |
CDMA 1FA Total Power
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dBm
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0
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@max
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| Noise Figure |
-
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dB
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5
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@max gain
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| Spurious Emission |
1FA/0dBm total power 750KHz/1.98MHz
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dBc
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-30/-45
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¡âmarker
RBW : 30KHz
VBW : 100Hz
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| Input Power
Range |
CDMA 20FA
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dBm
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Noise Floor ~ -50
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.
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| Flatness |
20FA
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dB
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2
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Peak to Peak
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| Input/Output
VSWR |
50§Ù
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.
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1.3:1/1.5:1
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.
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| Rho |
CASE 2, 1FA
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-
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0.975
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@max gain
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| Frequency
Stability |
ppm
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0.05
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½Ã½ºÅÛ±¸¼ºµµ |
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