ÄÚǶXPM´æ´¢Æ÷RFID¸ßƵ½Ó¿ÚÄ£¿éÉè¼Æ

Ïà¹ØרÌ⣺ оƬ 5G

ÕªÒª£º±¾ÎĽéÉÜÁË13.56MHz·ûºÏISO15693µÄRFID¸ßƵ½Ó¿ÚÄ£¿éµÄÉè¼Æ,°üÀ¨ÔÚ10%»ò100%µÄASKµ÷ÖƵÄʱÖÓÌáÈ¡,´Ó½»Á÷µÄÌìÏßÐźŲúÉúÖ±Á÷µçѹµÄÄ£¿é,ÏÞÖÆÌìÏßµçѹµÄ±£»¤Ä£¿é,½âµ÷ºÍµ÷ÖÆÄ£¿éºÍµçÔ´ÎÈѹģ¿é¡£»¹½éÉÜÁËÓÃcadence spectre ¹¤¾ß²ÉÓõç¸ÐñîºÏ·ÂÕæÄ£ÐͶÔÕâ¸ö¸ßƵ½Ó¿Ú½øÐÐÁË·ÂÕæµÄ½á¹û,×îºóÓÃSMIC 0.18um four-metal one poly mixed signal CMOS ¹¤ÒÕʵÏÖ¡£¶øÇҳɹ¦µÄ°ÑXPM´æ´¢Æ÷¼¼Êõ¼¯³Éµ½RFIDоƬÖÐ, ʵÏÖÁËÊÀ½çÉϵÚÒ»´Î²ÉÓÃXPM´æ´¢Æ÷¼¼Êõ³É¹¦µÄRFIDоƬ¡£

1.ÒýÑÔ

RFID£¨ÉäƵʶ±ð£©¼¼ÊõÊÇ´ÓÉÏÊÀ¼Í80 Äê´ú×ßÏò³ÉÊìµÄÒ»Ïî×Ô¶¯Ê¶±ð¼¼Êõ£¬½üÄêÀ´·¢Õ¹ Ê®·ÖѸËÙ¡£Æä¼¼ÊõµÄ¸²¸Ç·¶Î§¹ã·º£¬Ðí¶àÕýÔÚÓ¦ÓÃÖеÄ×Ô¶¯Ê¶±ð¼¼Êõ¶¼¿ÉÒÔ¹éÓÚRFID ¼¼Êõ Ö®ÄÚ£¬µ«ËüÃǵŤ×÷Ô­Àí¡¢¹¤×÷ƵÂÊ¡¢¼¼ÊõÌص㡢ÊÊÓÃÁìÓòÒÔ¼°×ñÑ­µÄ±ê׼ȴÊDz»Í¬µÄ¡£ RFID ϵͳµÄ¹¤×÷ƵÂÊ£¬Ö÷ÒªÓÐ125KHz¡¢13.56MHz¡¢400MHz¡¢860¡«960MHz¡¢2.45GHz¡¢ 5.8GHz µÈ¶à¸öƵ¶Î¡£

µ«ÊÇ£¬²»Í¬µÄ¹ú¼ÒºÍµØÇøµÄ¶ÔƵÂʵķÖÅäºÍ×î´ó·¢É书ÂʵĹ涨ÊDz» ͬµÄ¡£ÔÚijЩµØÇø£¬Ä³Ð©Æµ¶ÎµÄRFID ²úÆ·¿ÉÄÜÊDZ»½ûֹʹÓõġ£ ÆäÖÐ13.56MHzµÄRFID¹ú¼Ê±ê×¼ÓÐISO14443ºÍISO15693Á½ÖÖ¡£

ISO14443ÓÖ·ÖΪType A ºÍ Type BÁ½ÖС£ÆäÖÐType A ÒÔ·ÉÀûÆÖµÄMifare one Ϊ´ú±í, Type BÓдú±íÐÔµÄÊÇÄ¿Ç°ÎÒ¹úÕý ÔÚ·¢ÐеÄ*¡£ISO14443ÊǽüñîºÏͨѶЭÒ飬ͨѶ¾àÀëСÓÚ10cm. ISO15693ÊÇÊèñîºÏ ͨѶЭÒ飬ͨѶ¾àÀë¿ÉÒÔ´ïµ½1.5m.

ÔÚISO15693ЭÒéÖУ¬ÎªÁË´ÓÔĶÁÆ÷µ½ÊèñîºÏIC¿¨µÄÊý¾Ý´«Ê䣬²»½öʹÓÃÁË10%µÄASKµ÷ÖÆ£¬¶øÇÒ»¹Ê¹ÓÃÁË100%µÄASK.´ËÍ⣬ÓÐÁ½ÖÖ²»Í¬µÄ±àÂë·½·¨£ºÒ»ÊÇ“256ÖÐÈ¡1”£¬ÁíÒ»ÖÖÊÇ“4ÖÐÈ¡1”¡£

Õⲿ·Öµç·ͨ¹ýCadence spectre ·ÂÕæ»·¾³½øÐÐÁË·ÂÕ棬²¢Í¨¹ýSMIC CMOS 0.18um one play four metal¹¤ÒÕÁ÷ƬÑéÖ¤¡£

´ËRFID¼¼Êõ²ÉÓöÀ´´µÄÒ»ÏîеÄRFIDоƬ¼¼Êõ£¬²»Í¬ÓÚ³£¹æRFIDоƬ£¬´ËRFIDûÓвÉÓà ´«Í³EEPROM´æ´¢Æ÷£¬¶øÊÇÓ¦ÓÃÁËÅíÔóÖÒ²©Ê¿·¢Ã÷µÄ´æ´¢Æ÷¼¼Êõ-XPMTM£¨³¬¼¶ÓÀ¾ÃÐÔ´æ´¢Æ÷£© ¼¼Êõ¡£XPMTM£¬¼´Super Permanent Memory£¨³¬¼¶ÓÀ¾ÃÐÔ´æ´¢Æ÷£©¡£ÎÒÃÇÆðÃûΪX-RFID,X-RFID ¾ßÓи߰²È«¡¢µÍ¼Û¡¢¿É¿¿ÐԸߺÍÈÝÁ¿´óµÈÌص㣬¿É¹ã·ºÓ¦ÓÃÓÚͼÊé¹ÜÀí¡¢Ö¤¼þ·Àᣬ¾°µã»á ÒéÃÅƱ£¬²úÆ··Àᣬµç×ÓÇ®°ü£¬×ʲú¹ÜÀí£¬µ¥Æ·¹ÜÀí£¬ÎïÁ÷ºÍ¹©Ó¦Á´¹ÜÀíµÈÖÚ¶àÁìÓò¡£

±¾ÎĵÄÖص㽲ÊöX-RFIDоƬ¸ßƵģÄâ½Ó¿ÚÄ£¿éµÄÉè¼Æ.ÏÂÃæµÚ¶þ½ÚºÍµÚÈý½ÚÃèÊöÁËRFID оƬµÄÕû¸öϵͳ½á¹¹¡£µÚËĽÚÃèÊöÁË13.56MHz RFIDϵͳµÄµç¸ÐñîºÏ·ÂÕæÄ£ÐͺͷÂÕæ½á¹û¡£ µÚÎå½ÚµÃ³öÁ˽áÂÛ¡£

2.Ó¦´ðÆ÷оƬµÄ¹¤×÷Ô­ÀíºÍϵͳ½á¹¹

13.56MHz ·ûºÏISO15693ЭÒé±ê×¼µÄRFIDµÄϵͳ½á¹¹Èçͼ1Ëùʾ. Õâ¸öоƬÊÇͨ¹ýµç¸Ð ñîºÏµÄ·½Ê½À´»ñµÃоƬ¹¤×÷ÐèÒªµÄµçÔ´,ËùÒÔ³ÆΪÎÞÔ´RFIDоƬ.Ö÷Òª½á¹¹°üÀ¨: Ä£ÄâÇ°¶Ë ½Ó¿Úµç·, Êý×ÖÂß¼­¿ØÖƵç·ºÍMemoryµç·.´ËоƬֻÓÐ2¸öPADÁ¬½ÓÍⲿÌìÏß. Ä£ÄâÇ°¶Ë½Ó ¿Úµç·°üÀ¨: È«²¨ÇÅʽÕûÁ÷µç·¡¢ÎÈѹµç·¡¢¸ßѹ±£»¤µç·¡¢µ÷ÖƵç·¡¢½âµ÷µç·¡¢Éϵ縴 λµç·¡¢Ê±ÖÓÌáÈ¡µç·¡£

ͼ 1 ϵͳ½á¹¹¿òͼ

µ± RFID ±êǩоƬ½øÈëµ½¶Á¿¨Æ÷µÄ´Å³¡·¶Î§ÄÚʱ£¬Í¨¹ýRFID ±êǩоƬµÄÌìÏߺͶÁ¿¨Æ÷ ÌìÏßÖ®¼äµÄñîºÏ£¬13.56Mhz µÄ½»Á÷ÕýÏÒ²¨ÐźŴ«µ½È«²¨ÇÅʽÕûÁ÷µç·£¬È»ºóת±ä³ÉÖ±Á÷µç ѹ£¬Í¨¹ýÎÈѹµç·ÎÈѹµ½ÐèÒªµÄµçѹֵ¸øÊý×ÖÂß¼­¿ØÖƵç·ºÍMemory µç·×÷ΪµçԴʹÓá£

ÓÉÓÚ¶Á¿¨»ú·¢³öµÄ´Å³¡Ç¿¶È¸úÓë¶Á¿¨»úµÄÔ¶½ü¾àÀëÓйأ¬ÔÚÀë¶Á¿¨»ú¾àÀë½üµÄµØ·½´Å³¡Ç¿¶È ´ó£¬Àë¶Á¿¨»ú¾àÀëÔ¶µÄµØ·½´Å³¡Ç¿¶ÈÉÙ£¬µ±RFID ±êǩоƬÀë¶Á¿¨»ú¾àÀëºÜ½üʱ£¬ÓÉÓڴų¡ Ç¿¶ÈºÜ´ó£¬RFID ±êǩоƬÌìÏßÁ½¶ËñîºÏ¹ýÀ´µÄµçѹֵºÜ¸ß£¬Èç¹û²»½øÐиßѹ±£»¤µÄ»°£¬»á ¶ÔRFID ±êǩоƬÄÚ²¿µç·Ôì³ÉË𻵣¬ËùÒÔ¸ßѹ±£»¤µç·±Ø²»¿ÉÉÙ¡£¶Á¿¨»úºÍRFID ±êÇ©Ö®¼ä µÄͨѶÊDzÉÓðëË«¹¤µÄģʽ,¶Á¿¨»ú·¢³öµÄÖ¸Áîͨ¹ýASK µ÷ÖƵþ¼Óµ½Ôز¨ÉÏ·¢Ë͸øRFID ±êÇ© оƬ£¬RFID ±êǩоƬͨ¹ý×Ô¼ºÄÚ²¿µÄ½âµ÷µç·°ÑÖ¸Áî½âµ÷³öÀ´Ë͵½Êý×ÖÂß¼­¿ØÖƵç·½øÐÐ ÒëÂ룬Ȼºó´¦ÀíÏàÓ¦µÄÖ¸Áî¡£RFID ±êǩоƬµÄÊý¾ÝµÄ·µ»Øͨ¹ý×Ô¼ºÄÚ²¿µÄµ÷ÖƵç·°ÑÊý¾Ý µþ¼Óµ½¶Á¿¨Æ÷·¢³öµÄÔز¨ÉÏ·¢Ë͸ø¶Á¿¨»ú£¬¶Á¿¨»úͨ¹ý×Ô¼ºÄÚ²¨µÄ½âµ÷µç·°ÑÊý¾Ý½âµ÷³ö À´¡£ÕâÑù¶Á¿¨Æ÷ºÍRFID ±êÇ©Íê³É»¥ÏàͨÐÅ¡£

2.1 È«²¨ÇÅʽÕûÁ÷µç·

È«²¨ÇÅʽÕûÁ÷µç·°ÑÌìÏßñîºÏ¹ýÀ´µÄ13.56MHzÕýÏÒ²¨ÐźÅ×°»»³ÉÖ±Á÷Ðźţ¬Í¨¹ýÎÈѹµç ·ºóÌṩ¸øÊý×ÖÂß¼­¿ØÖƵç·ºÍMemoryµç·µÄVDDºÍGND.µç·ͼÈçͼ2Ëùʾ¡£

ͼ 2 È«²¨ÇÅʽÕûÁ÷µç·

ͼÖÐn1ºÍn2ÖÐÁ½¸öNMOS¾§Ìå¹Ü×÷Ϊ¿ª¹ØÔ´¼«½ÓGND,©¼«½ÓÌìÏßµÄÁ½¶Ë¡£¶øn3ºÍn4ÖÐÁ½¸ö NMOS¾§Ìå¹Ü×÷Ϊ¶þ¼«¹ÜʹÓã¬Õ¤¼«ºÍ©¼«Á¬½ÓÔÚÒ»Æð½ÓÌìÏßµÄÒ»¶Ë£¬Ô´¼«½ÓµçÔ´VDD£¬VDD ͨ¹ýÒ»¸ö´óµçÈݽӵأ¬´Ë´óµçÈÝΪ´¢ÄܵçÈÝ£¬¼´´æ´¢ÌìÏßñîºÏ¹ýÀ´µÄµçºÉ£¬Ìṩ¸øÄÚ²¿µç· ×÷µçÔ´VDD¡£

ÆäÖУºVm ÊÇÌìÏßÕýÏÒ²¨Ðźŵķå·åÖµ£¬ VthÊÇNMOS¾§Ìå¹ÜµÄãÐÖµµçѹ¡£

2.2 ʱÖÓ²úÉúµç·

ʱÖÓ²úÉúµç·Èçͼ3 Ëùʾ,Á½¸ö·´ÏàÆ÷µç·×é³ÉÁËËø´æÆ÷µç·.ÐźÅÏàλÏà·´µÄ 13.56MHz µÄÕýÏÒÐźÅͨ¹ýÌìÏ߶Ëcoil1 ºÍcoil2 ¼Óµ½NMOS ¹ÜM7 ºÍM8 ÉÏ,µ±coil1 Ϊ¸ßµç ƽÐźÅʱ, coil2 ¾ÍΪµÍµçƽÐźÅ,ÕâʱNMOS ¹ÜM7 µ¼Í¨,M8 ½ØÖ¹. µ±coil1 ΪµÍµçƽ ʱ,coil2 ¾Í±äΪ¸ßµçƽ,ÕâÊÇNMOS ¾§Ìå¹ÜM7 ½ØÖ¹,M8 µ¼Í¨. ͨ¹ýÕâÖÖ½»Ìæ¿ØÖÆ,ʱÖÓ²úÉúµç ·²úÉúÁË13.56MHz µÄ·½²¨Ê±ÖÓÐźš£

ͼ3 ʱÖÓ²úÉúµç·

×÷Õߣº²ÜÓñÉý ÉϺ£½»Í¨´óѧ΢µç×ÓѧԺ À´Ô´£ºÎ¢¼ÆËã»úÐÅÏ¢


΢ÐÅɨÃè·ÖÏí±¾Îĵ½ÅóÓÑȦ
ɨÂë¹Ø×¢5GͨÐŹٷ½¹«ÖÚºÅ,Ãâ·ÑÁìÈ¡ÒÔÏÂ5G¾«Æ·×ÊÁÏ
  • 1¡¢»Ø¸´¡°YD5GAI¡±Ãâ·ÑÁìÈ¡¡¶ÖйúÒƶ¯£º5GÍøÂçAIÓ¦ÓõäÐͳ¡¾°¼¼Êõ½â¾ö·½°¸°×ƤÊé¡·
  • 2¡¢»Ø¸´¡°5G6G¡±Ãâ·ÑÁìÈ¡¡¶5G_6GºÁÃײ¨²âÊÔ¼¼Êõ°×ƤÊé-2022_03-21¡·
  • 3¡¢»Ø¸´¡°YD6G¡±Ãâ·ÑÁìÈ¡¡¶ÖйúÒƶ¯£º6GÖÁ¼òÎÞÏß½ÓÈëÍø°×ƤÊé¡·
  • 4¡¢»Ø¸´¡°LTBPS¡±Ãâ·ÑÁìÈ¡¡¶¡¶ÖйúÁªÍ¨5GÖն˰×ƤÊé¡·¡·
  • 5¡¢»Ø¸´¡°ZGDX¡±Ãâ·ÑÁìÈ¡¡¶ÖйúµçÐÅ5GNTN¼¼Êõ°×ƤÊé¡·
  • 6¡¢»Ø¸´¡°TXSB¡±Ãâ·ÑÁìÈ¡¡¶Í¨ÐÅÉ豸°²×°¹¤³ÌÊ©¹¤¹¤ÒÕͼ½â¡·
  • 7¡¢»Ø¸´¡°YDSL¡±Ãâ·ÑÁìÈ¡¡¶ÖйúÒƶ¯ËãÁ¦²¢Íø°×ƤÊé¡·
  • 8¡¢»Ø¸´¡°5GX3¡±Ãâ·ÑÁìÈ¡¡¶R1623501-g605GµÄϵͳ¼Ü¹¹1¡·
  • ±¾ÖÜÈȵ㱾ÔÂÈȵã

     

      ×îÈÈͨÐÅÕÐƸ

    Òµ½ç×îÐÂ×ÊѶ


      ×îÐÂÕÐƸÐÅÏ¢

    ×îм¼ÊõÎÄÕÂ

    ×îÐÂÂÛ̳Ìù×Ó