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Mark Yang
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Joined: 28 Mar 2005
Posts: 225
Location: HsinChu
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 Posted: Sun May 27, 2007 1:11 am Post subject: |
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| Hannibal Lu wrote: | | ¥Rº¡µÛ²ÊÃmªº·®æ¡A·Pı¤@©w«Ü@¥Î¡A¨þ¨þ~~~~ |
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun May 27, 2007 1:15 pm Post subject: |
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| Mark Yang wrote: | ¬ü§b¤F~
aad¥S¯u¬O¤£±¤¦å¥»~
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°¨§J¥S»¡¯º¤F~
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³oӦ奻¤U¤Ó²Ê¤F... |
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun May 27, 2007 1:21 pm Post subject: |
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| 3124 wrote: | | ¤Ó¼F®`¤F!³oºØ¾÷´ß¬O¥i¥H¨¾¤ô.¨¾ºÏ.¨º¤Ñ©ñ¦b¤ôùØťť¬Ý.·d¤£¦n·|§ó©_¯S.´Á«Ý±z«á¯Åªºµoªí....................... |
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aad
¥¿¦¡·|û
Joined: 21 Jan 2006
Posts: 194
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| Posted: Sat Jun 16, 2007 11:31 pm Post subject: |
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LM4780 Parallel Amplifier ·f´×»s§@
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Last edited by aad on Mon Nov 05, 2007 12:08 am; edited 1 time in total |
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sat Jun 16, 2007 11:32 pm Post subject: |
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Go PA, or go BPA: dissipation efficiency is the problem:
³oÓ¤p«K·í²°,ÁaµM¨Ï¥Î10mm¾TªO»s§@, ¦ý¬é¬O¼W¥[¼ö®e¶q¦Ó¤w, ´²¼ö±¿n©M³q·Àô¹ÒÁÙ¬Oª½±µ¼vÅTµÛ´²¼ö¯à¤O...
«K·í²°ªº²§¤Æ: ¾÷´ßÂà¤F90«×, ¤G°¼¤À§O¥[¤W5mm¬õ»ÉªO©MK138´²¼ö¤ù.
§Ú¥i¥H¥s§A®üÁx«K·í¶Ü?
Last edited by aad on Sun Jun 17, 2007 12:22 am; edited 1 time in total |
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ªL§Ó¹F
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Joined: 11 Sep 2005
Posts: 783
Location: ¹ü¤Æ--¸²µåªº¬G¶m
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| Posted: Sat Jun 16, 2007 11:49 pm Post subject: |
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| aad wrote: | Go PA, or go BPA: dissipation efficiency is the problem:
³oÓ¤p«K·í²°,ÁaµM¨Ï¥Î10mm¾TªO»s§@, ¦ý¬é¬O¼W¥[¼ö®e¶q¦Ó¤w, ´²¼ö±¿n©M³q·Àô¹ÒÁÙ¬Oª½±µ¼vÅTµÛ´²¼ö¯à¤O...
«K·í²°ªº²§¤Æ: ¾÷´ßÂà¤F90«×, ¤G°¼¤À§O¥[¤W5mm¬õ»ÉªO©MK138´²¼ö¤ù.
§Ú¥i¥H¥s§A®üÁx«K·í¶Ü?
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 ¼F®`!¼F®`!.................. |
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linjunan
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Joined: 28 Mar 2005
Posts: 3582
Location: Âøª«¶¡
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| Posted: Sun Jun 17, 2007 1:54 am Post subject: |
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4780³o»ò¸¼¤½¯Åªº³£¦³¿ìªk.....¦nÅå¤H~
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¥¼¨Ópµe¡G³°ª©49810¡B«¾ã¦a¥Ê¤ý¤lµPMyDAC 1.0¡B³°ª©PASS A30¡BPRBSµPBZLS...
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun Jun 17, 2007 11:07 am Post subject: |
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| linjunan wrote: | | 4780³o»ò¸¼¤½¯Åªº³£¦³¿ìªk.....¦nÅå¤H~ |
³o°¦¸¼°G¦³27°¦¸}
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¦A±N+V¤°¦¸},-V¤°¦¸}. GND¤G°¦¸}¤ÀÃþ
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aircry
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Joined: 13 May 2006
Posts: 354
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| Posted: Sun Jun 17, 2007 11:13 am Post subject: |
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| aad wrote: | | linjunan wrote: | | 4780³o»ò¸¼¤½¯Åªº³£¦³¿ìªk.....¦nÅå¤H~ |
³o°¦¸¼°G¦³27°¦¸}
¦©±¼NC(no connection)¤C°¦¸},
¦A±N+V¤°¦¸},-V¤°¦¸}. GND¤G°¦¸}¤ÀÃþ
³Ñ¤Uªº³¡¤À³B²z°_¨Ó´N®e©ö¦h¤F |
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4780¤p§Ì¦³¥Î3Q5 JP200¸ò3OP«e¯Å¥h·fµÛÅ¥,Å¥§¹Ä±±o3OP¤ñ¸û¦nÅ¥ |
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun Jun 17, 2007 12:32 pm Post subject: |
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aircry¥S¶}ª±¯º¤F
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun Jun 17, 2007 1:29 pm Post subject: |
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¹q·½ªº³¡¤À¶}©l¶Ë¸£µ¬¤F...
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aircry
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Joined: 13 May 2006
Posts: 354
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| Posted: Sun Jun 17, 2007 9:27 pm Post subject: |
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[quote="aad"]¹q·½ªº³¡¤À¶}©l¶Ë¸£µ¬¤F...
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3124
Topic Manager
Joined: 26 Mar 2005
Posts: 1653
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| Posted: Sun Jun 17, 2007 9:38 pm Post subject: |
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«¢«¢!·Q®³10v/3aªº¥h¦ê¶Ü?¥¿/t¦U¨âÁû.¥un§AªÅ¶¡°÷.§A¤â¤¤¤£¬O¦³¼Ë«~.........
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Daniel3124 |
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Joined: 03 Dec 2005
Posts: 2722
Location: ¦V¤é¸ª¤p¯Z
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| Posted: Sun Jun 17, 2007 9:43 pm Post subject: |
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| aad wrote: | ³oÓ¤p«K·í²°,ÁaµM¨Ï¥Î10mm¾TªO»s§@, ¦ý¬é¬O¼W¥[¼ö®e¶q¦Ó¤w, ´²¼ö±¿n©M³q·Àô¹ÒÁÙ¬Oª½±µ¼vÅTµÛ´²¼ö¯à¤O...
«K·í²°ªº²§¤Æ: ¾÷´ßÂà¤F90«×, ¤G°¼¤À§O¥[¤W5mm¬õ»ÉªO©MK138´²¼ö¤ù.
§Ú¥i¥H¥s§A®üÁx«K·í¶Ü?
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aad
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Joined: 21 Jan 2006
Posts: 194
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| Posted: Sun Jun 17, 2007 10:49 pm Post subject: |
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| aircry wrote: |
A¥S,LM4780¥¦ªº¤u§@¹qÀ£¤£¬O20~84V¶Ü? 50VÀ³¸ÓÁÙ¦b¥¦ªº¤u§@¹qÀ£¤º§a?
¬Ý¨ì¤»ÁûRIFA¤j¤ô¶í¤ß·QA¥S¸Ó¤£·|¤»Áû¥þ¤W§a~¨º«Ü²Ê¥» |
aircry¥S,
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l+vl + l-vl À³¤¶©ó 20-84v¤§¶¡
©Ò¥H l+50l + l-50l =100 ´N·|¶W¹L¤F
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¤£¹L§A¤]¦³¥Î¤F2Áû»¡...
Last edited by aad on Sun Jun 17, 2007 11:10 pm; edited 2 times in total |
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