ÒøÓégegÓÅÔ½»á

http://edadoc.com/

ÖÐÎÄ

EN JP
ºá·ù¹ã¸æbanner-¸ßËÙÏÈÍâÐлú°æ
ÐźÅÍêÕûÐÔ·ÂÕæ > PCBÉè¼Æ¾àÀëÒ»Ñùʱ£¬ÄãÃÇÖªµÀµç·°åÁ½¶Ô¹ý¿×Ôõô°Ú´®ÈÅ×îСÂð£¿

PCBÉè¼Æ¾àÀëÒ»Ñùʱ£¬ÄãÃÇÖªµÀµç·°åÁ½¶Ô¹ý¿×Ôõô°Ú´®ÈÅ×îСÂð£¿

Ðû²¼Ê±¼ä£º2025-02-26 08:58

ÒøÓéÓÅÔ½»á¡¤GEG(Öйú)ÓÐÏÞ¹«Ë¾¹ÙÍø ÒøÓéÓÅÔ½»á¡¤GEG(Öйú)ÓÐÏÞ¹«Ë¾¹ÙÍø ¹ØÓÚ¹ý¿×´®ÈŵÄPCBÉè¼Æ£¬Í¨¹ýÀ­´óµç·°å¾àÀëÀ´¼õС´®ÈŲ»Ë㱾ʣ¬À÷º¦µÄÊÇÔõÑùÔÚÓÐÏÞ¿Õ¼äÀï´®ÈÅ×öµÃ±ÈÀ­´ó¾àÀ뻹ҪºÃ¡­¡­

¸ßËÙÏÈÌìÉúÔ±--»Æ¸Õ


²»ÖªµÀ¸÷ÈËÓÐûÓз¢Ã÷£¬ÒøÓégegÓÅÔ½»á¿Æ¼¼¸ßËÙÏÈÉú¸ôÈý²îÎå¾Íϲ»¶Ð´Ð´¹ý¿×µÄÎÄÕ¡£ËäȻϲ»¶ÊÇÆä´Î£¬×îÖ÷ÒªµÄÊǸßËÙPCB¹ý¿×Éè¼ÆÇ·ºÃÕæµÄºÜÈÝÒ׳öÎÊÌ⣬·´¹ýÀ´Ëµ£¬Éè¼ÆºÃµÄ»°¾ÍÕæµÄÐÔÄܺܺá£Ö®Ç°µÄÎÄÕÂÖУ¬ÀýÈ磨Á´½Ó¡¶¹ý¿×µÄÉè¼Æ¿×¾¶ÊÇÕæµÄºÜÖ÷Òª£¬µ«¸ßËÙÏÈÉúÒ²ÊÇÕæµÄ²»ÌåÌù¡·£©ÐÎòÁ˵¥¶Ô¹ý¿××ÔÉíµÄÉè¼Æ¶ÔÐÔÄܵÄÓ°Ïì¡£ÄÇÎÒÃÇÕâÆªÎÄÕ¾ÍÀ´½²½²ÔõÑù×öºÃÁ½¸ö¹ý¿×Ö®¼äµÄPCB´®ÈÅÕâ¸öÀϺƽٵÄÎÊÌâ¹þ¡£

 330-01.png

Ïà±ÈÓÚÐźÅÖÊÁ¿×Ô¼ºÊܵ½Ðí¶àÒòËØµÄÓ°Ï죬µ¼ÖÂPCBÉè¼ÆÎÞ´ÓÏÂÊÖ¡£´®ÈŲ»¾ÍºÜ¼òÆÓÂð£¿Ö»ÒªÀ­¿ª¾àÀëÁË£¬´®ÈÅÎÊÌâ²»¾Í½â¾öÁËÂð£¿ËµµÃºÃ£¬ºÍ×ßÏßÒ»Ñù£¬Ö»ÒªÀ­¿ª¾àÀëÁË£¬´®ÈžÍÒ»¶¨»á±äС¡£Òªº¦ÊÇÄѾÍÄÑÔÚÓÐÄÇô¶à¿Õ¼ä¸øÄãÀ­¿ª¾àÀëÂð£¿ÏÖÔڵIJúÆ·×ßÏßÃܶȶ¼´óµ½ÀëÆ×£¬¸ßËÙÐźÅÔô¶à£¬Ò²¾ÍÒâζ׏ý¿×Ò²»áÐí¶à£¬Ò»¶àÁË×ÔÈ»¾àÀë¾ÍÒ»¶¨»á½ü¡£¾ÍËÆºõÀ×±ª×î½üÓöµ½µÄÕâ¸ö¸ßËÙ¹ý¿×ÉȳöÎÊÌâ¡£ÈçÏÂËùʾ£¬´ÓоƬÉȳöµÄ¸ßËÙÐźÅÔÚÍâÃæ´ò¿×»»²ã£¬ÓÉÓÚPCB°å×Ó¸ßËÙÐźÅÐí¶à£¬¾àÀëºÜÃÜ£¬PCB¹ý¿×Óë¹ý¿×Ö®¼äµÄ¾àÀë¾ÍÖ»ÄÜ×öµ½ÕâÑùÁË¡£

330-02.png 

À×±ªµ½ÏÖÔÚΪֹҲѧÁ˺ü¸ÄêµÄ¸ßËÙ·ÂÕæÁË£¬Ò²Ã÷ȷȥͨ¹ýÌáÈ¡3DÄ£×Ó¾ÙÐзÂÕæ¡£ÈýÏÂÎå³ý¶þµÄ¾Í°ÑÕâ¸öÏîÄ¿µÄµÈЧ¹ý¿×´®ÈÅÄ£×Ó½¨³öÀ´ÁË¡£

 330-03.png

¹ØÓÚ28GµÄ¸ßËÙÐźÅÀ´Ëµ£¬´®ÈÅ·ÂÕæÏÂÀ´µÄЧ¹ûÇ·ºÃ²»»µ£¬ÔÚ36dBÉÏÏ£¬Õý³£Õâ¸ö´®ÈŵÄÁ¿¼¶Ò²»ù±¾ÉÏû̫´óµÄÎÊÌ⡣֮ǰµÄÐí¶àÏîÄ¿µÄ¹ý¿×Éè¼ÆÒ²²îδ¼¸ÊÇÕâÑù´¦Öóͷ£µÄ£¬×îÖÕ²úÆ·¹¦Ð§Ò²»¹ºÃ¡£

 330-04.png

ÏîÄ¿¸ÐÊÜÒ²²îδ¼¸¾ÍÕâÑù½»²îÁË£¬²»¹ýÀ×±ªÏë˳´ø½è×ÅÕâ¸öÏîÄ¿À´Ñо¿Ò»Ï¹ý¿×´®ÈÅÉÐÓÐûÓÐÆäËûÓÅ»¯µÄÒªÁì¡£Ñо¿Á˰ëÌ죬³ýÁ˰ѹý¿×¾àÀëÀ­´ó£¬Ò²Ã»Ïëµ½ÆäËû¸üºÃµÄÒªÁìÁË¡£ÓÚÊǾ͹ýÀ´ÌÖ½ÌChris£¬¿´¿´ÓÐûÓÐÆäËûÓÐÓõļƻ®¡£Chris¿´ÁËÏÂÀ×±ª½¨µÄÄ£×Ó£¬¾ÍÊǼòÆÓµÄÁ½¶Ô¹ý¿×ˮƽµÄ°²ÅÅ£¬¼òֱƾ֤ÏîÄ¿×Ô¼ºµÄÃܶÈ£¬Ò²Ã»ÓÐÌ«¶àµÄ¿Õ¼äÀ­¿ª¾àÀë¡£ÓÚÊÇ×Ô¼ºÞÛÁËÞÛÐÄÖеÄÀíÂÛ֪ʶ£¬Á¢ÂíÖ¸µ¼ÏÂÀ×±ª£¬ÈÃËûÊÔÊÔÑØ×ÅÒ»¶Ô¹ý¿×µÄÖÐÐÄ×öÒÔϼ¸¸öÐýתµÄÄ£×ÓÊÔÊÔ¡£ÀýÈçÏÂÃæÄǶԹý¿×ÑØ×ÅÖÐÐľÙÐÐÐýת30¶È£¬45¶ÈºÍ90¶ÈµÄÐýת£¬ÈçÏÂËùʾ£º

330-05.png 

À×±ª¿´×ÅÉÏÃæChrisÌá³öµÄ¼Æ»®£¬Ñ°Ë¼×Å£¬Ô­Ê¼²»Ðýתʱ¸ÐÊܾàÀ뻹¸ü´óÒ»µã£¬ÐýתÍêÖ®ºó¾àÀ뻹СÁË£¬´®ÈÅ»¹ÄܱäºÃ£¿

 

°­ÓÚChrisµÄÌåÃæ£¬À×±ªÖ»ÄÜÏÈÆ¾Ö¤Õâ¸öÐýתµÄ¼Æ»®»®·Ö½¨³ö²î±ð½Ç¶ÈµÄ¹ý¿×Ä£×Ó£¬È»ºóÖðÒ»¾ÙÐзÂÕæ¡£Âèѽ£¬²»·Â²»ÖªµÀ£¬Ò»·ÂÏÅ5Ìø¡£

330-07.png 

²»Ðýתʱ´®ÈÅΪ36dB£¬Ðýת30¶Èʱ´®ÈÅΪ39 dB£¡Ðýת45¶Èʱ´®ÈÅΪ45 dB£¡£¡

Ðýת90ʱµÄ´®ÈžÓÈ»¡­¡­¿ìµ½100 dBÁË£¬»ù±¾ÉÏÊǼ´ÊÇÀ­¿ª¼¸¹«ÀïÄÇôԶµÄ´®ÈÅÁ¿¼¶ÁË¡£

 

À×±ªºÜÕ𾪣¬Ôõô¿´ÆðÀ´ÐýתºóµÄ¹ý¿×¾àÀ뻹¸ü½üÁË£¬ÓÈÆäÊÇ90¶ÈµÄʱ¼ä£¬»ù±¾ÉÏÓÐÒ»¸ö¹ý¿×¶¼Ìùµ½ÁíÍâÒ»¶Ô¹ý¿×±ßÉÏÁË£¬PCB´®ÈÅ·´¶øÊdz¬µÈ³¬µÈС£¿Chris²»Óï¡£Ö»ÊÇһζµÄµãò¥Êס£²¢ÈÃÀ×±ªºÃºÃµÄÍŽáÕ⼸Äêѧ¹ýµÄÀíÂÛ֪ʶÏëÏë¿´£¬ÈκÎÒ»¸ö¿´ËƺÍÏëÏó²»ÇкϵķÂÕæÐ§¹û£¬×Åʵ¶¼Ö»ÊÇÀíÂÛ֪ʶ²»µ½Î»°ÕÁ˹þ£¡

À×±ª»òÐí˼Ë÷Á˰ë¸öСʱºó£¬Ãû¶Ù¿ª£¬Å¶£¡£¡£¡Ô­ÀíÊÇÕâÑùµÄ°¡£¡

 

ÎÊÌ⣺Ϊʲô¹ý¿×Ðýתһ¶¨½Ç¶Èºó£¬·ÂÕæµÄ´®ÈÅЧ¹ûÖð²½±äºÃ£¬ÓÈÆä90¶ÈʱÊdz¬µÈÎ޵кõÄЧ¹ûÄØ£¿


ÒøÓégegÓÅÔ½»á¿Æ¼¼½¨ÉèÓÚ2003Äê3Ô£¬ÉîÛÚ´´Òµ°åÉÏÊй«Ë¾£¬¹ÉƱ´úÂë: 301366£¬×¨×¢ÓÚ¸ßËÙPCBÉè¼Æ¡¢SI/PI·ÂÕæÆÊÎöµÈÊÖÒÕ·þÎñ£¬²¢ÎªÑз¢Ñù»ú¼°ÅúÁ¿Éú²úÌṩ¸ßÆ·ÖÊ¡¢¶Ì½»ÆÚµÄPCBÖÆ°åÓëPCBAÉú²ú·þÎñ¡£ÖÂÁ¦ÓÚ´òÔìÒ»Á÷µÄÓ²¼þÁ¢ÒìÆ½Ì¨£¬¼ÓËÙµç×Ó²úÆ·µÄÓ²¼þÁ¢ÒìÀú³Ì£¬ÌáÉý²úÆ·ÖÊÁ¿¡£

ÍøÕ¾µØÍ¼