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ÀÚÀÛ¹æ-½ÅÁ¤¼·´Ô (sijosae's DIY)


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Name  
  
½ÅÁ¤¼· 
(2005-05-11 13:21:59, Hit : 7980, Vote : 0)
File #1  
   Max_Output_Level.gif (95.4 KB)   Download : 114
Subject  
   [Á¤º¸] OP-Amp Max. Output Level

.
[Á¤º¸] OP-Amp Max. Output Level - ½ÅÁ¤¼·

Oscilloscope¸¦ »ç°í, Sine-wave generator ¸¸µé°í¼­´Â ÂüÀ¸·Î ¸¹Àº Å×½ºÆ®¸¦ Çß½À´Ï´Ù.
°¢Á¾ OP¾ÚÇÁ³ª °ü½ÉÀÖ´ø ÇìµåÆù ¾ÚÇÁµéÀÇ ÆÄÇüÀ» ¼ö¹éȸ °üÂûÇß½À´Ï´Ù.
Àú·Î¼­´Â Á¤¸» Àç¹ÌÀÖ°í À¯ÀÍÇß´Ù°í »ý°¢Çϸç ÇìµåÆù ¾ÚÇÁ¿¡ ´ëÇÑ »ý°¢µµ Á»´õ Àß Á¤¸®µÇ¾ú½À´Ï´Ù.

ƯÈ÷ ÀÌÁ¨ ¾ÚÇÁ¸¦ »õ·Î ¸¸µé¸é ÆÄÇü °üÂûÀ» ÇÏÁö ¾Ê°í´Â °ßµô ¼ö°¡ ¾ø°Ô µÇ¾ú½À´Ï´Ù.
¸¹Àº »ç¶÷µéÀÌ µ¿ÀÏÇÑ ÆÄÇüÀÇ ¾ÚÇÁ¶óµµ ¼Ò¸®°¡ ´Ù¸£°Ô µé¸°´Ù°í ¸»¾¸ÇϽôµ¥ ½ÇÁ¦·Î ±×º¸´Ù ´õ ½½Ç ÀÏÀº,
¾ûÅ͸®·Î ÆÄÇüÀÌ ³ª¿À´Â °æ¿ì¿¡µµ ÀüÇô ¾Ë¾ÆÃ¤Áö ¸øÇÏ´õ¶ó´Â °ÍÀÔ´Ï´Ù.
±×·¯°í º¸¸é ¼ÒÀ§ "À½Áú"¿¡ ±×¸® ¿å½ÉºÎ¸± ÇÊ¿ä´Â ¾ø´Ù°í ´Ù½ÃÇѹø »ý°¢ÇÕ´Ï´Ù.

ÇÏ¿©°£ ½ÇÇè °á°ú¸¦ ÀüºÎ¸¦ ¼Ò°³µå¸®±â´Â ¾î·Á¿î Á¡ÀÌ ³Ê¹« ¸¹¾Æ¼­ ±× Áß ÇÑ´Þ Àü¿¡ Å×½ºÆ® Çß¾ú´ø OP¾ÚÇÁÀÇ Ãâ·Â ·¹º§ °á°ú¸¸ ¼Ò°³ÇÕ´Ï´Ù.
½ÇÇè Á¶°ÇÀº ´ÙÀ½°ú °°½À´Ï´Ù.

- Gain=3.0, No output resistor
- Load: 33 and 300 ohm dummy resistors
- Power: LM317 regulated Power Supply (9, 14.5, 24VDC) -> Virtual ground PS
- Input signal: DIY 1 kHz Sine-wave Generator (level adjustable)
- Clipping check: 50 MHz oscilloscope, DIY peak detector, & Sijosae's eyes

±âº»ÀûÀ¸·Î´Â CMOY ¾ÚÇÁ¿¡ ÇìµåÆù ´ë½Å 33 ohm, 300 ohm ÀúÇ× (Áï, dummy resistor)À» ´Þ¾Æ¼­ ÃøÁ¤ÇÑ °ÍÀ¸·Î,
Oscilloscope·Î Sine ÆÄÇüÀÌ ClippingµÇ±â Á÷Àü±îÁö Ãâ·ÂÀ» ¿Ã·Á¼­ ±× °ªÀ» ±â·ÏÇÑ °ÍÀÔ´Ï´Ù.

´Ü¼øÇÑ °ü´ÉÆò°¡ÀÌ°í ´Ü¹ø¿¡ ÀÌ·ç¾îÁø Test°¡ ¾Æ´Ï¹Ç·Î Á¤È®¼ºÀº º¸ÀåÇϱâ ÈûµéÁö¸¸ ¾ÆÁÖ À¯¿ëÇÑ ÀÚ·á¶ó°í »ý°¢ÇÕ´Ï´Ù.
¸î°¡Áö ´«¿¡ È® µé¾î¿À°í ³î¶ó¿î ³à¼®µéµµ º¸ÀÔ´Ï´Ù. (TDA1308, NJM4556 µî)

ÀÌ °á°ú¸¦ º¸°í OP¾ÚÇÁ¿¡ ´ëÇÑ Á¦ °³ÀÎÀûÀÎ Æò°¡ ¹× °á·ÐÀº ¿©·¯ ¿ÀÇØ¿Í ¹Ý¹ßÀÇ ¼ÒÁö°¡ À־ »ý·«ÇÕ´Ï´Ù.
´Ù¸¸ ¸î½ÊºÐÀ» ÃÄ´ÙºÁµµ Àç¹ÌÀÖ°í, OP¾ÚÇÁÀÇ ¿ëµµ¿¡ µû¸¥ ÀûÀýÇÑ ¼±Åÿ¡ µµ¿òÀÌ µÉ µí ÇϹǷΠÀÌ·¸°Ô ¼Ò°³ÇÕ´Ï´Ù.

±×·³ ¿À·¡°£¸¸¿¡,
ÇϽº¸¸¼¼...

ps-1)
À§ ±×·¡ÇÁ¿¡ »¡°£»öÀ¸·Î x Ç¥½ÃÇÑ °ÍÀº Ãâ·ÂÆÄÇüÀÌ Á¦´ë·Î ³ª¿ÀÁö ¾Ê¾Æ "unstable"À̶ó ÇÑ °ÍÀÔ´Ï´Ù.
°¡Áö°í ÀÖ´Â ´Ù¸¥ OP¾ÚÇÁ³ª ¶Ç´Â ÀüÇô ´Ù¸¥ ¾ÚÇÁµé¿¡ ³¢¿ö¼­ ¼öÇàÇÑ Å×½ºÆ®¿¡¼­µµ °ÅÀÇ µ¿ÀÏÇÑ °á°ú°¡ ³ª¿ÔÀ¸³ª, ½É°¢ÇÏ°Ô ÀÌ ¹®Á¦ÀÇ ¿øÀÎÀº »ý°¢Çغ¸Áö ¾Ê¾Ò½À´Ï´Ù.

ps-2)
TDA1308ÀÇ Datasheet»ó ÃÖ´ë °ø±ÞÀü¾ÐÀº 8V ÀÔ´Ï´Ù.
½ÇÁ¦·Î´Â 9V¿¡¼­µµ Àß µ¿ÀÛÇÏ´õ±º¿ä. (´õ ³ôÀ¸¸é ²Ð~)
±×·¡¼­ ¾Æ½±°Ôµµ TDA1308ÀÇ °á°úµéÀº 9V À̻󿡼­´Â ¾ø½À´Ï´Ù.
Name Memo Date

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¿ª½Ã Àü·ùÃâ·ÂÀº ¿¹»ó´ë·Î 4556ÀÌ Á¦ÀÏ ³ªÀº ÆíÀ̳׿ä^^  2005/05/11    

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±×·¡ÇÁ·Î º¸´Ï±ñ Âü Àç¹Õ½À´Ï´Ù. ±ò²ûÇÑ ÀÚ·á °¨»çÇÕ´Ï´Ù.  2005/05/12    

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¾ÕÀ¸·Î »çÀÌÆ®¿¡¼­ ÀÚÁÖ ºËÁÒ ^^
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 2005/05/12    


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