¼Ò°³ÇÏ´Â UWB Regulator´Â 78** Regualtor¸¦ ´ëüÇÏ´Â ÇÏÀÌ¿£µå Regulator´Ù. ƯÈ÷ CD/DVD player³ª ±âŸ ¿Àµð¿À ±â±â¿¡¼ »ç¿ëµÇ´Â Regulator¸¦ ´ëüÇϸé À½Áú°³¼±È¿°ú¸¦ Å©°Ô º¼ ¼ö ÀÖ´Ù.
7805 Regulator´Â ÈçÈ÷ DAC³ª ±âŸ ³ëÀÌÁî¿¡ ¹Î°¨ÇÑ ¿Àµð¿À±â±â¿¡¼µµ ÈçÈ÷µé »ç¿ëÀÌ µÇ°í ÀÖ´Ù. ÇÏÁö¸¸ 7805´Â Noise levelÀÌ ³·Áöµµ ¾ÊÀ»»Ó´õ·¯ ƯÈ÷ 7805±Ùó¿¡ ¿ÜºÎ ³ëÀÌÁî°¡ ¸¹Àº °÷¿¡¼´Â ´õ´õ¿í ¾Ç Á¶°ÇÀ̵ȴÙ. ¶ÇÇÑ 7805¿¡ ºÎÇÏ°¡ º¯È°¡ »ý±â°Å³ª ¶Ç´Â 100HzÀÇ Ripple 7805ÀÇ ÀÔ·ÂÃø¿¡ ¹ß»ýµÇ¸é 7805ÀÇ S/Nºñ´Â ¸Å¿ì ¿¾ÇÇØÁø´Ù. ÀÌ·± °æ¿ì RippleÀ» Å©°Ô Àú°¨½Ãų ¼ö ÀÖ´Â Regulator·Î °³¼±È¿°ú¸¦ ¸Å¿ì Å©°Ô º¼ ¼ö ÀÖÀ¸¸ç °Ô´Ù°¡ Wide Band Loop¸¦ °¡Áø Regulator¶ó¸é ºÎÇÏÀÇ º¯È¿¡µµ ¾ÈÁ¤µÈ Àü¿øÀ» °ø±ÞÇØÁÙ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
UWB regulator¸¦ 7805(´Ù¸¥ 78**µµ Æ÷ÇÔ)¸¦ ±³Ã¼ÇÔÀ¸·Î½á Àú·ÅÇÏ°Ô ±×¸®°í °£´ÜÇÏ°Ô Audio¸¦ UpgradeÇØÁÙ ¼ö ÀÖÀ» °ÍÀÌ´Ù. UWB´Â 100¹èÀÌ»ó ¶Ù¾î³ ³ëÀÌÁî Á¦°Å·Î ³ëÀÌÁ 10¹èÀÌ»ó ³·Ãß°í LineÀ̳ª Load Regulation error¸¦ ¾ø¾ÖÁØ´Ù. ±âÆÇÀ§¿¡ º°·Îµµ ¸¸µé¾îÁ³À¸³ª Å©±â´Â 78**ÀÇ Regulator¿Í ºñ½ÁÇÑ Å©±âÀÌ´Ù.
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78**¸¦ Á¦°ÅÇÑ ÈÄ ±× ÀÚ¸®¿¡ UWB Regualtor¸¦ ²ÅÀ¸¸éµÈ´Ù.
±âÁ¸ÀÇ 78**ÀÌ ¹æ¿ÆÇ¿¡ ºÙ¾îÀÖÀ¸¸é UWB Regulatorµµ ±×´ë·Î ¹æ¿ÆÇÀ» ´Þ¾ÆÁÖ¸éµÈ´Ù. ¹æ¿ÆÇÀÌ ¾ø´Â °æ¿ì´Â UWB Regulatorµµ ¹æ¿ÆÇ ¾øÀÌ ±×´ë·Î ´Þ¾ÆÁÖ¸éµÈ´Ù.
Important!
¹æ¿ÆÇ¿¡ ´Þ ¶§´Â ²À °°ÀÌ °ø±ÞµÇ´Â Àý¿¬Æе带 »çÀÌ¿¡ ³Ö¾î¼ ¹æ¿ÆÇÀ» °íÁ¤ÇÏ¿©¾ß ÇÑ´Ù.
Regulator ÀÔ/Ãâ·Â¿¡´Â capacitorÀ» ´Þ ÇÊ¿ä°¡ ¾ø´Ù. UWB Regulator¿¡µµ ÀÔ/Ãâ·ÂÂÊ¿¡ ¾î¶² capacitorµµ ÇÊ¿äÄ¡ ¾Ê´Â´Ù. ÇÏÁö¸¸ ¾î¶² º¸Åë Å©±âÀÇ capacitorµµ ¹®Á¦µÇÁö´Â ¾Ê´Â´Ù.
Perfomance.
¿Ö 7805(78**ÀüºÎ)¸¦ ±³Ã¼ÇؾßÇϴ°¡? UWB regulatorÀÇ ¿ì¼öÇÑ ¼º´É ¶§¹®ÀÌ°í ÀÌ ¿ì¼öÇÑ ¼º´ÉÀÌ À½ÁúÀ» Çâ»ó½ÃÅ°±â ¶§¹®ÀÌ´Ù.
7805¿¡ ÀϹÝÀûÀÎ setupÀ¸·Î ÀÔ·ÂÃø¿¡ 100uF low Z¸¦ °É°í 22uF+100nF MKT¸¦ Ãâ·Â(TO220packageÀ§¿¡ Á÷Á¢ Mount½ÃÅ´)Ãø¿¡ °É°í UWB¿¡´Â capacitor¸¦ °ÉÁö ¾Ê¾Ò´Ù.
Test: Noise rejection, 12VDC + 1 Vrms 100 Hz ripple.
½ÇÇè±â±âÀÇ Àü¿øÀ» regulator¿¡ °£ÀÌ °ø±ÞÇÔ. 100HzÀÇ Ripple signalÀ» RC network¸¦ ÅëÇØ À¯ÀÔ½ÃÅ´. Amplitude of 1Vrms.
ÀÏ¹Ý 7805 »ç¿ë½Ã:
UWB Regulator »ç¿ë½Ã:
Test: SMPS Noise rejection.
ÀϹÝÀûÀÎ SMPS DVD playerÀÇ È¯°æ¿¡¼ ½ÇÇè. »ó¾÷¿ë soap bar SMPS 12V 1A °¡ Regulator¿¡ »ç¿ëµÊ.
ÀÏ¹Ý 7805 »ç¿ë½Ã:
UWB Regulator »ç¿ë½Ã:
º¸¿©Áö´Â °Í°ú °°ÀÌ UWBÀÇ ÀÜÁ¸ Ãâ·Â ³ëÀÌÁî´Â ¸î¹è³ª ´õ ³·´Ù. ÁÖ¸ñÇÒ Á¡Àº °íÁÖÆļö ºÎ±ÙÀÇ 7805ÀÇ ÁÖÆļö´Â UWBº¸´Ù ³·´Ù. ±× ÀÌÀ¯´Â ½ÇÇè¿¡ »ç¿ëµÈ ¾î¶² Äܵ§¼°¡ 7805¿¡¼ ³ª¿À´Â ³ëÀÌÁ Èí¼öÇØ ¹ö·È±â ¶§¹®ÀÌ´Ù. ÇÏÁö¸¸ ¾Æ¹«¸® Å« capacitor¸¦ »ç¿ëÇÏ´õ¶óµµ º¸¿©Áö´Â ¹Ù¿Í °°ÀÌ Àú¿ªÁÖÆļö´Â Èí¼öÇÏÁö ¸øÇÑ´Ù.
Test: 10kHz Sine Wave load.
½ÇÇè±â±â Àü¿øÀ» µÎÂÊ Regulator¿¡ °ø±ÞµÊ. Ãâ·ÂÀº 100kHz 50mA º¯µ¿ºÎÇϸ¦ °É¾îÁÜ.
ÀÏ¹Ý 7805 »ç¿ë½Ã:
UWB Regulator »ç¿ë½Ã:
UWB°¡ Ãâ·Â ºÎÇÏÀÇ º¯µ¿¿¡ ´ëÇØ ¿ì¼öÇÑ DampingÀ» º¸¿©ÁÖ°í ÀÖ´Ù. ÀÌ°ÍÀº DAC³ª CD player¿¡ ½ÇÁ¦ÀûÀ¸·Î »ý°Ü³ª´Â ºÎÇÏÇö»óÀÌ´Ù. ÀÌ·¯ÇÑ ÀÜÁ¸ ³ëÀÌÁî´Â DACÀÇ ¼º´ÉÀ» ÀúÇϽÃÅ°¸ç ¿Àµð¿ÀÀÇ ÁúÀ» ¶³¾î¶ß¸®°Ô µÈ´Ù.
Test: 1kHz Square Wave Load. (Wideband Load Noise)
½ÇÇè±â±â Àü¿øÀ» µÎÂÊ¿¡ °É¾îÁÜ. Ãâ·ÂÀº 1kHz 50mA Squarewave º¯µ¿ºÎÇϸ¦ °É¾îÁÜ. ÀϹÝÀûÀÎ Digital°ú Analogȸ·Î¿¡ »ç¿ëµÊ
ÀÏ¹Ý 7805 »ç¿ë½Ã:
UWB Regulator »ç¿ë½Ã:
´Ù½ÃÇѹø UWB°¡ Ãâ·ÂºÎÇϺ¯µ¿¿¡ ´õ ³ªÀº DampingÀ» º¸¿©ÁØ´Ù.
Power transistor°¡ µÞ¸é¿¡ ºÙ¾îÀÖ¾î È¿À²ÀûÀ¸·Î ³Ã°¢À» ½ÃÄÑÁØ´Ù.
Technical Specs:
Output Voltages: 3.3, 5, 8, 9, 12, 15V dc.
Input Voltage (max): 25V dc.
Dropout Voltage: 2.00V (Equivalent to 78XX series).
Maximum Current DX78xx: 630mA.
Maximum Current DX79xx: 400mA.
Ripple Rejection: >100dB.
Line Rejection: unmeasurable.
Load Regulation: < 5mV 0-max load.