PIM
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Anritsu Field Testing PIM Solution
Distance-to-PIM¢â (DTP) & PIMÀÇ Å©±â¿Í À§Ä¡¸¦ °¡Àå ºü¸£°Ô ÃøÁ¤ÇÒ
¼ö ÀÖ´Â Solution
<Carrier F1°ú F2·Î ÀÎÇÑ 3Â÷,5Â÷,7Â÷ IM
¼ººÐ> <È¥º¯Á¶ÀÇ Å©±â´Â Â÷¼ö°¡ Ŭ¼ö·Ï ´õ ³ÐÀº ¹êµå¸¦ Â÷ÁöÇÑ´Ù>
PIM (Passive Intermodulation)
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Rxband³ª ÀÎÁ¢ bandÀÇ Noise·Î ÀÛ¿ëÇÏ¿©
Åë½Å ½Ã½ºÅÛ¿¡ ¾Ç¿µÇâÀ» ¹ÌÄ¡°Ô µÈ´Ù.
PIMÀÇ ¿øÀÎ
- ³»ºÎ ¿äÀÎ
: ´Ù¸¥ ±Ý¼Ó, ±Ý¼Ó »êȹ°, Çæ°Å¿öÁø Ä¿³ØÅ͵鰣ÀÇ °áÇÔ, ºÎ½ÇÇÑ Terminations,
¿À¿°µÈ Ä¿³ØÅÍ, ºÎÀûÀýÇÑ Torque, °úµµÇÑ ÄÉÀ̺í ÈÚ,
¼ÒÀÚÀÇ ºÒ·®ÇÑ PIM ¼º´É
<¾ÈÅ׳ª Ãø¸é¿¡¼ ºÎ½ÄÀ̳ª ³ìÀº PIMÀ» »ý¼ºÇÒ ¼ö ÀÖ´Ù>
<³ì½¼ ¿Á»ó°ú ¿ïŸ¸®´Â PIMÀÇ ÁÖµÈ ¿ä¼Ò°¡ µÉ ¼ö ÀÖ´Ù>
- ¿ÜºÎ ¿äÀÎ
: ÁÖº¯ÀÇ ºÎ½ÄÀ̳ª ¹æÇع°, ³¯½Ã º¯È, ÀÎÁ¢ ±âÁö±¹
PIM ÀÌ ´ëµÎµÇ´Â ÀÌÀ¯?
- °°Àº ´ë¿ª¿¡¼ÀÇ RF Power Áõ°¡, ±âÁö±¹ Áõ°¡, RF Channels Áõ°¡, ±âÁö±¹
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- ¸ÖƼ ¹êµå ¾ÈÅ׳ª ½Ã½ºÅÛ
- ´õ ³Ð¾îÁø ½ÅÈ£ ´ë¿ªÆø (UMTS, LTE)
- ¾ÈÅ׳ª ½Ã½ºÅÛÀÇ ³ëÈÄÈ
PIM ¹®Á¦ÀÇ Â¡ÈÄ
- ¼ö½Å ´ÙÀ̹ö½ÃƼ ¾Ë¶÷
- ÀâÀ½ ·¹º§ Áõ°¡
- °úµµÇÑ ÄÝ µå¶ø
- ±âÁö±¹ Ä¿¹ö¸®Áö °¨¼Ò
- ÀÎÁ¢ ±âÁö±¹À¸·ÎºÎÅÍÀÇ °£¼·½ÅÈ£¿¡ ´ëÇÑ Ç×ÀÇ
¿Ö PIM Master¢â °¡
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40 Watt Å×½ºÆ® ´É·Â
: 20W ´Â PIMÀ» ãÀ» ¼ö ¾ø´Ù
Distance-to-PIMTM
: PIMÀÇ À§Ä¡¿Í Å©±â ¹× ³»ºÎ¿Í ¿ÜºÎ PIM sources¸¦ ã´Â´Ù
Anritsu Handheld¿¡ ÀÇÇØ Á¦°ÅµÊ
- Site MasterTM S332E, S362E
- Spectrum MasterTM MS271XE, MS2721B, MS272XC
- Cell MasterTM MT8212E, MT8213E
- BTS MasterTM MT8221B, MT8222B
GPS Ç¥½Ã ±â´É
PIM ÃøÁ¤À» À§ÇÑ ¿¢¼¼¼¸® Áö¿ø
- °ß°íÇÑ 50Ohm Term
- ¾î´ðÅÍ, ÄÉÀ̺í
Line Sweep Tools (S/W)
- ÃøÁ¤ °á°ú ÀúÀå ÈÄ ÈÄ Ã³¸® °¡´É
- PIM, VSWR, DTF ¸ðµç ÃøÁ¤ Áö¿ø
- Æ÷Æ® ŸÀÔ Æ÷¸Ë Áö¿ø
CE ÀÎÁõ ȹµæ
PIM Measurement Ranges
|
RF Test Power
|
Two CW tones of 20, 30, or 40 Watts (≈ 43, 45, 46 dBm) (user
selectable)
|
Transmit Frequency Range
|
MW8219A – 1930 to 1990 MHz, 2110 to 2155 MHzMW8209A – 925 to 960 MHzMW8208A –
869 to 894 MHz
|
3rd, 5th, and 7th Order Frequency Ranges
|
MW8219A – 1710 to 1755 MHz, 1850 to 1910 MHzMW8209A – 880 to 915 MHzMW8208A –
824 to 849 MHz
|
Residual PIM Performance
|
< -112 dBm/-155 dBc typical
|
Measurable PIM order
|
3rd, 5th, and 7th order intermodulation product (if in band)
|
Distance-to-PIM
|
Distance and magnitude of multiple PIM sources
|