ÏðÌ×±âµçÀµĴ«ÊäÐÔÄܲâÊÔÊÇÆÀ¹ÀÆäµçÆøÐźŴ«ÊäÄÜÁ¦ÓëÎȹÌÐԵĽ¹µã»·½Ú£¬º­¸ÇÐźÅË¥¼õ¡¢¡¢×迹ƥÅä¡¢¡¢´®ÈÅÒÖÖÆ¡¢¡¢Ê±ÑÓÌØÕ÷µÈÒªº¦Ö¸±ê¡£¡
£¡£¡£ÕâЩ²âÊÔÈ·±£µçÀÂÔÚÖØ´óµç´ÅÇéÐÎÖÐÄܸßЧ¡¢¡¢¿É¿¿µØ´«ÊäÊý¾Ý»òµçÁ¦£¬ÓÈÆäÊÊÓÃÓÚ¹¤Òµ×Ô¶¯»¯¡¢¡¢¹ìµÀ½»Í¨¡¢¡¢ÐÂÄÜÔ´µÈ¶ÔÐźÅÍêÕûÐÔÒªÇóÑÏ¿ÁµÄ³¡¾°¡£¡
£¡£¡£ÒÔÏÂÊÇÏðÌ×±âµçÀ´«ÊäÐÔÄܲâÊԵĽ¹µãÄÚÈÝÓëÊÖÒÕÒªµã£º£º£º

Ò»¡¢¡¢½¹µã²âÊÔÄÚÈÝ

1. ÌØÕ÷×迹²âÊÔ

• ½ç˵£º£º£ºÌØÕ÷×迹ÊǵçÀ´«ÊäÏßµÄÖ÷Òª²ÎÊý£¬·´Ó³ÐźŴ«ÊäÀú³ÌÖеçѹÓëµçÁ÷µÄ±ÈÖµ£¬µ¥Î»ÎªÅ·Ä·£¨¦¸£©¡£¡
  £¡£¡£

• ²âÊÔÄ¿µÄ£º£º£ºÈ·±£µçÀÂÓëÅþÁ¬×°±¸£¨Èç´«¸ÐÆ÷¡¢¡¢¿ØÖÆÆ÷£©µÄ×迹ƥÅ䣬×èÖ¹Ðźŷ´Éäµ¼ÖµÄʧÕæ»ò¹¦ÂÊËðʧ¡£¡
  £¡£¡£

• ²âÊÔÒªÁ죺£º£º

• ʱÓò·´Éä·¨£¨TDR£©£º£º£ºÍ¨¹ý·¢ÉäÂö³åÐźŲ¢ÆÊÎö·´É䲨ÐΣ¬ÅÌËã×迹ת±äµã£¨È繫ʽ£º£º£º$Z=\sqrt{\frac{L}{C}}$£¬ÆäÖÐLΪµç¸Ð£¬CΪµçÈÝ£©¡£¡
  £¡£¡£

• ÍøÂçÆÊÎöÒÇ·¨£º£º£ºÔÚ1 MHz~1 GHzƵÂʹæÄ£ÄÚɨÃ裬ֱ½Ó¶ÁÈ¡×迹ֵ£¨µä·¶Öµ£º£º£º²î·Ö¶ÔΪ100¡À10 ¦¸£¬µ¥¶ËÏßΪ50¡À5 ¦¸£©¡£¡
  £¡£¡£

• ¼°¸ñ±ê×¼£º£º£º×迹Îó²î¡Ü¡À10%£¨ÈçÉè¼ÆÖµ100 ¦¸£¬Êµ²âÖµÐèÔÚ90~110 ¦¸Ö®¼ä£©¡£¡
  £¡£¡£

2. Ë¥¼õ²âÊÔ

• ½ç˵£º£º£ºÐźÅÔÚ´«ÊäÀú³ÌÖÐÒòµ¼Ìåµç×è¡¢¡¢½éÖÊÏûºÄµÈµ¼ÖµĹ¦ÂÊÏ÷Èõ£¬µ¥Î»Îª·Ö±´£¨dB£©¡£¡
  £¡£¡£

• ²âÊÔÄ¿µÄ£º£º£ºÆÀ¹ÀµçÀµĴ«Êä¾àÀëÉÏÏÞ£¬×èÖ¹ÐźÅË¥¼õ¹ý´óµ¼ÖÂÎüÊÕ¶ËÎÞ·¨Ê¶±ð¡£¡
  £¡£¡£

• ²âÊÔÒªÁ죺£º£º

• ²åÈëÏûºÄ·¨£º£º£ºÊ¹ÓÃʸÁ¿ÍøÂçÆÊÎöÒÇ£¨VNA£©ÕÉÁ¿·¢Éä¶ËÓëÎüÊÕ¶ËÐźŹ¦Âʱȣ¨¹«Ê½£º£º£º$\text{Ë¥¼õ}=?10{\log }_{10}\frac{P_{\text{out}}}{P_{\text{in}}}$£©¡£¡
  £¡£¡£

• Ƶ¶ÎɨÃ裺£º£ºÁýÕÖµçÀÂÊÂÇéƵÂʹæÄ££¨È繤ҵ×ÜÏß³£ÓÃ1 MHz~100 MHz£©£¬¼Í¼²î±ðƵÂÊϵÄË¥¼õÖµ¡£¡
  £¡£¡£

• ¼°¸ñ±ê×¼£º£º£º

• ¶Ì¾àÀ루¡Ü10 m£©£º£º£ºË¥¼õ¡Ü3 dB/100 m£¨ÈçProfinet×ÜÏßµçÀ£©£»
  £»£»

• ³¤¾àÀ루£¾10 m£©£º£º£ºË¥¼õ¡Ü6 dB/100 m£¨ÈçEtherCAT×ÜÏßµçÀ£©¡£¡
  £¡£¡£

3. ´®ÈŲâÊÔ

• ½ç˵£º£º£ºÏàÁÚÏ߶ÔÖ®¼äÒòµç´ÅñîºÏ±¬·¢µÄÐźÅ×ÌÈÅ£¬·ÖΪ½ü¶Ë´®ÈÅ£¨NEXT£©ºÍÔ¶¶Ë´®ÈÅ£¨FEXT£©¡£¡
  £¡£¡£

• ²âÊÔÄ¿µÄ£º£º£º·ÀÖ¹¶àоµçÀÂÖвî±ðÐźÅͨµÀÏ໥×ÌÈÅ£¬È·±£Êý¾Ý´«ÊäµÄ¿¹×ÌÈÅÄÜÁ¦¡£¡
  £¡£¡£

• ²âÊÔÒªÁ죺£º£º

• ²î·Öģʽ²âÊÔ£º£º£ºÔÚÒ»¶ÔÏß·¢ËÍÐźÅ£¬ÕÉÁ¿ÏàÁÚÏ߶ԵÄ×ÌÈŵçѹ£¨µ¥Î»£º£º£ºdBmV£©¡£¡
  £¡£¡£

• ƵÓòÆÊÎö£º£º£ºÊ¹ÓÃVNAɨÃè1 MHz~1 GHzƵÂÊ£¬»æÖÆ´®ÈÅ·ùÖµ-ƵÂÊÇúÏß¡£¡
  £¡£¡£

• ¼°¸ñ±ê×¼£º£º£º

• ¹¤Òµ×ÜÏߣ¨ÈçCAN¡¢¡¢RS485£©£º£º£ºNEXT¡Ý40 dB£¨1 MHzʱ£©£»
  £»£»

• ¸ßËÙÊý¾Ý×ÜÏߣ¨Èç1000Base-T£©£º£º£ºNEXT¡Ý55 dB£¨100 MHzʱ£©¡£¡
  £¡£¡£

4. ʱÑÓÓëʱÑÓ²î²âÊÔ

• ½ç˵£º£º£º

• ʱÑÓ£¨Propagation Delay£©£º£º£ºÐźŴӷ¢Éä¶Ëµ½ÎüÊն˵Ĵ«Êäʱ¼ä£¨µ¥Î»£º£º£ºns£©£»
  £»£»

• ʱÑӲSkew£©£º£º£º¶àоµçÀÂÖвî±ðÏ߶ԵÄʱÑÓ²î±ð£¨µ¥Î»£º£º£ºns£©¡£¡
  £¡£¡£

• ²âÊÔÄ¿µÄ£º£º£ºÈ·±£Í¬²½´«ÊäϵͳÖÐÐźŵÄʱÐòÒ»ÖÂÐÔ£¬×èÖ¹Êý¾Ý´íλ¡£¡
  £¡£¡£

• ²âÊÔÒªÁ죺£º£º

• ʱÓò·´Éä·¨£¨TDR£©£º£º£º·¢ÉäÂö³åÐźÅ£¬ÕÉÁ¿·´É䲨µÖ´ïʱ¼ä²î£»
  £»£»

• ÑÛͼ²âÊÔ£º£º£ºÍ¨¹ý¸ßËÙʾ²¨Æ÷ÊÓ²ìÐźŲ¨ÐΣ¬ÆÀ¹ÀʱÑÓ²î¶ÔÑÛͼÕÅ¿ª¶ÈµÄÓ°Ïì¡£¡
  £¡£¡£

• ¼°¸ñ±ê×¼£º£º£º

• ¹¤ÒµÒÔÌ«Íø£¨ÈçEtherCAT£©£º£º£ºÊ±ÑÓ²î¡Ü50 ns£¨100 mµçÀ£©£»
  £»£»

• ¸ßËÙ´®ÐÐ×ÜÏߣ¨ÈçUSB 3.0£©£º£º£ºÊ±ÑÓ²î¡Ü10 ns£¨1 mµçÀ£©¡£¡
  £¡£¡£

5. »Ø²¨ÏûºÄ²âÊÔ

• ½ç˵£º£º£ºÐźÅÒò×迹²»Æ¥ÅäÔÚ´«ÊäÏßÖն˷´Éä»Ø·¢Éä¶ËµÄ¹¦ÂÊÏûºÄ£¬µ¥Î»ÎªdB¡£¡
  £¡£¡£

• ²âÊÔÄ¿µÄ£º£º£ºïÔÌ­Ðźŷ´Éä¶ÔÔ´¶ËµÄ×ÌÈÅ£¬Ìá¸ß´«ÊäЧÂÊ¡£¡
  £¡£¡£

• ²âÊÔÒªÁ죺£º£º

• S11²ÎÊýÕÉÁ¿£º£º£ºÊ¹ÓÃVNAÕÉÁ¿·´ÉäϵÊý£¨¦££©£¬»Ø²¨ÏûºÄ=$?20{\log }_{10}¨O¦\pounds ¨O$¡£¡
  £¡£¡£

• ƵÓòɨÃ裺£º£ºÁýÕÖµçÀÂÊÂÇéƵÂʹæÄ££¬¼Í¼»Ø²¨ÏûºÄ×îµÍÖµ¡£¡
  £¡£¡£

• ¼°¸ñ±ê×¼£º£º£º

• ¹¤Òµ×ÜÏߣ¨ÈçModbus£©£º£º£º»Ø²¨ÏûºÄ¡Ý10 dB£¨1 MHzʱ£©£»
  £»£»

• ¸ßËÙÊý¾Ý×ÜÏߣ¨Èç10GBase-T£©£º£º£º»Ø²¨ÏûºÄ¡Ý20 dB£¨500 MHzʱ£©¡£¡
  £¡£¡£

¶þ¡¢¡¢²âÊÔ×°±¸ÓëÉèÖÃ

Èý¡¢¡¢²âÊÔÁ÷³ÌÓë°¸ÀýÆÊÎö

1. ±ê×¼»¯²âÊÔÁ÷³Ì

• ·½·¨1£º£º£ºÔ¤´¦Àí

• Çå½àµçÀ¶ËÍ·£¬È¥³ýÑõ»¯²ã»òÎÛ×Õ£»
  £»£»

• ¶Ô¶ÌµçÀ£¨¡Ü5 m£©£¬Ö±½Ó²âÊÔ£»
  £»£»¶Ô³¤µçÀ£¨£¾5 m£©£¬Ðè·Ö¶Î²âÊÔ»òʹÓÃÅâ³¥µçÈÝïÔÌ­ÐźÅË¥¼õ¡£¡
  £¡£¡£

• ·½·¨2£º£º£º×°±¸Ð£×¼

• ʹÓñê×¼¸ºÔØ£¨Èç50 ¦¸Æ¥Å为ÔØ£©Ð£×¼VNAµÄS²ÎÊý£»
  £»£»

• µ÷½âTDRµÄʱ»ùÓë·ùÖµ£¬È·±£Âö³å²¨ÐÎÇåÎú¿É±æ¡£¡
  £¡£¡£

• ·½·¨3£º£º£º²ÎÊý²âÊÔ

• ×迹²âÊÔ£º£º£ºÅþÁ¬TDRÖÁµçÀÂÒ»¶Ë£¬·¢ÉäÂö³å²¢¼Í¼·´É䲨ÐΣ¬ÅÌËã×迹ֵ£»
  £»£»

• Ë¥¼õ²âÊÔ£º£º£ºÊ¹ÓÃVNAÕÉÁ¿·¢Éä¶ËÓëÎüÊÕ¶ËS21²ÎÊý£¨²åÈëÏûºÄ£©£¬×ª»»ÎªË¥¼õÖµ£»
  £»£»

• ´®ÈŲâÊÔ£º£º£ºÔÚÒ»¶ÔÏß·¢ËÍÐźÅ£¬ÕÉÁ¿ÏàÁÚÏ߶ԵÄS31²ÎÊý£¨½ü¶Ë´®ÈÅ£©£»
  £»£»

• ʱÑÓ²âÊÔ£º£º£ºÍ¨¹ýTDRÕÉÁ¿Âö³å´Ó·¢Éäµ½·´ÉäµÄʱ¼ä²î£¬ÅÌËãµ¥³ÌʱÑÓ¡£¡
  £¡£¡£

• ·½·¨4£º£º£ºÊý¾ÝÆÊÎö

• ÌìÉú²âÊÔ±¨¸æ£¬°üÀ¨×迹ÇúÏß¡¢¡¢Ë¥¼õ-ƵÂÊͼ¡¢¡¢´®ÈÅ-ƵÂÊͼ¡¢¡¢ÑÛͼµÈ£»
  £»£»

• ±ÈÕÕ¼°¸ñ±ê×¼£¬ÅжϵçÀÂÊÇ·ñÖª×ãÉè¼ÆÒªÇó¡£¡
  £¡£¡£

2. °¸Àý£º£º£º¹¤Òµ»úеÈËÏðÌ×±âµçÀ´«ÊäÐÔÄܲâÊÔ

• ÎÊÌ⣺£º£ºÄ³¹¤Òµ»úеÈËÓÃ6оÏðÌ×±âµçÀÂÔÚ¸ßËÙÔ˶¯ÖÐƵÈÔ·ºÆðÊý¾Ý¶ª°ü£¬ÏÓÒÉΪ´«ÊäÐÔÄÜȱ·¦¡£¡
  £¡£¡£

• ²âÊÔÀú³Ì£º£º£º

1. ʹÓÃVNAÕÉÁ¿1 MHz~100 MHzƵÂʹæÄ£ÄÚµÄË¥¼õ£¬·¢Ã÷100 MHzʱ˥¼õ´ï8 dB/100 m£¨±ê×¼¡Ü6 dB/100 m£©£»
   £»£»

2. ͨ¹ýTDR²âÊÔ·¢Ã÷£¬µçÀÂÖÐÐĶα£´æ×迹²»Á¬Ðøµã£¨Êµ²âÖµ120 ¦¸£¬Éè¼ÆÖµ100 ¦¸£©£¬µ¼ÖÂÐźŷ´É䣻
   £»£»

3. ÑÛͼ²âÊÔÏÔʾ£¬Ê±ÑÓ²î´ï80 ns£¨±ê×¼¡Ü50 ns£©£¬Òý·¢Êý¾Ý´íλ¡£¡
   £¡£¡£

• ´¦ÀíЧ¹û£º£º£º

• ÓÅ»¯µçÀ½ṹÉè¼Æ£¬ÔöÌíµ¼Ìå½ØÃæ»ýÒÔ½µµÍµç×裻
  £»£»

• ˢоøÔµÖÊÁÏ£¬ïÔÌ­½éÖÊÏûºÄ£»
  £»£»

• ÖØÐÂÉú²úºó²âÊÔ¼°¸ñ£¬»úеÈËÔËÐÐÎȹÌ¡£¡
  £¡£¡£

ËÄ¡¢¡¢Òªº¦×¢ÖØÊÂÏî

1. ÇéÐÎ×ÌÈÅ¿ØÖÆ£º£º£º

• ²âÊÔÓ¦ÔÚÆÁÕÏÊÒÄÚ¾ÙÐУ¬×èÖ¹ÊÖ»ú¡¢¡¢±äƵÆ÷µÈ×°±¸±¬·¢µÄµç´Å×ÌÈÅ£»
  £»£»

• ¶Ô³¤µçÀ£¬¿É½ÓÄÉƵÓò·´Éä·¨£¨FDR£©¶¨Î»×迹²»Á¬Ðøµã£¬ïÔÌ­ÐźÅË¥¼õÓ°Ïì¡£¡
  £¡£¡£

2. ×°±¸¼æÈÝÐÔ£º£º£º

• VNAµÄƵÂʹæÄ£ÐèÁýÕÖµçÀÂÊÂÇéƵ¶Î£¨È繤ҵ×ÜÏß³£ÓÃ1 MHz~100 MHz£©£»
  £»£»

• TDRµÄ·Ö±æÂÊÐèÖª×㶨λ¾«¶ÈÒªÇó£¨Èç10 cm·Ö±æÂʶÔÓ¦0.5 nsʱÑÓ£©¡£¡
  £¡£¡£

3. Çå¾²²Ù×÷£º£º£º

• ²âÊÔ¸ßѹÐźţ¨Èç100 VÒÔÉÏ£©Ê±£¬ÐèÒÂמøÔµÊÖÌ׺ͻ¤Ä¿¾µ£»
  £»£»

• ²âÊÔÇøÓòÉèÖþ¯Ê¾±êʶ£¬Õ¥È¡·ÇÊÚȨְԱ½øÈë¡£¡
  £¡£¡£

Îå¡¢¡¢²âÊÔ±ê×¼ÓëÑ¡Ðͽ¨Òé

| ÐèÇ󳡾° | ÍƼö²âÊÔ×°±¸ÐͺŠ| ÓÅÊÆ˵Ã÷ |
|------------------------|-----------------------------------|
| ÊµÑéÊҸ߾«¶È²âÊÔ | Keysight E5071C VNA | ƵÂʹæÄ£9 kHz~20 GHz£¬¶¯Ì¬¹æÄ£120 dB£¬ÊÊÓÃÓÚÑз¢½×¶Î¡£¡
£¡£¡£ |
| ÏÖ³¡¿ìËÙɸ²é | Fluke 1587 Insulation Tester | ±ãЯʽÉè¼Æ£¬¼¯³É×迹¡¢¡¢Ë¥¼õ²âÊÔ¹¦Ð§£¬ÊʺϵçÀ·óÉèÇ°µÄ¿ìËÙÑéÊÕ¡£¡
£¡£¡£ |
| ³¤µçÀ¶¨Î»¼ì²â | Tektronix TDR2000 | ʱÑÓ·Ö±æÂÊ0.1 ns£¬¿É¶¨Î»×迹²»Á¬ÐøµãÖÁÀåÃ×¼¶¾«¶È¡£¡
£¡£¡£ |

×ܽá

ÏðÌ×±âµçÀµĴ«ÊäÐÔÄܲâÊÔÐèΧÈÆ×迹ƥÅä¡¢¡¢Ë¥¼õ¿ØÖÆ¡¢¡¢´®ÈÅÒÖÖÆ¡¢¡¢Ê±ÑÓÒ»ÖÂÐԵȽ¹µãÖ¸±êÕö¿ª£¬Á¬ÏµVNA¡¢¡¢TDR¡¢¡¢¸ßËÙʾ²¨Æ÷µÈ×°±¸ÊµÏÖ¾«×¼ÕÉÁ¿¡£¡
£¡£¡£Í¨¹ý±ê×¼»¯²âÊÔÁ÷³ÌÓë°¸ÀýÆÊÎö£¬¿ÉÓÐÓö¨Î»Éè¼Æ»òÉú²úÖеÄȱÏÝ£¬ÌáÉýµçÀµĴ«Êä¿É¿¿ÐÔ¡£¡
£¡£¡£ÏÖʵӦÓÃÖУ¬½¨Òéƾ֤µçÀµçѹƷ¼¶£¨ÈçµÍѹ¡Ü1 kV»òÖÐѹ6~35 kV£©ºÍÊÂÇéƵÂÊ£¨È繤ҵ×ÜÏß1 MHz~100 MHz»ò¸ßËÙÊý¾Ý×ÜÏß1 GHzÒÔÉÏ£©Ñ¡ÔñºÏÊʵIJâÊÔ·½°¸£¬È·±£²âÊÔЧ¹ûÇкϹú¼Ê±ê×¼£¨ÈçIEC 61156-5¡¢¡¢ANSI/TIA-568-C.2£©¡£¡
£¡£¡£

Ïà¹ØÄÚÈÝ

• TJRX¶ÆÎýÍ­½ÊÏ߶ÆÎý²ãÄÍÄ¥ËðÐÔÄÜÒªÇó£¿
• Í­½ÊÏßµÄÔØÁ÷Á¿ÔõÑùÅÌË㣿Óë½ØÃæ»ýµÄ¹ØϵÊÇʲô£¿
• ÏðÌ×±âµçÀµĴ«ÊäÐÔÄܲâÊÔ°üÀ¨ÄÄЩÄÚÈÝ£¿
• ±âµçÀÂÔÚÒƶ¯×°±¸ÉÏ×°ÖÃʱµÄÈáÈÍÐÔºÍÄÍÄ¥ÐÔÒªÇóÔõÑù£¿
• ÈíÍ­½ÊÏßÔÚµçÁ¦´«ÊäÖеÄÓ¦ÓÃÓÐÄÄЩ£¿
• ³£¼ûµÄ±âÐεçÀ¾øÔµÖÊÁÏÓÐÄÄЩ£¬¸÷ÓкÎÓÅÈõµã£¿
• ±âÐεçÀµıàÖ¯²ã¶ÔµçÀÂÐÔÄÜÓкÎÌáÉý£¿
• ÔõÑùÈ·¶¨Æ½ÐеçÀµĵ¼Ìå½ØÃæ»ýÒÔÖª×ãµçÁ÷³ÐÔØÐèÇó£¿
• GXRFPÌØÖÖµçÀÂÓëÆäËûµçÀÂÏà±ÈÓÐÄÄЩÓÅÊÆ
• FF46P31-2Q ¶ÆÒøÆÁÕÏÇáÐ͵çÏß