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CD9088CB

ETC
Part Number CD9088CB
Manufacturer ETC
Description 1-Chip FM Electrical Tuner
Published Aug 31, 2007
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Datasheet PDF File CD9088CB PDF File

CD9088CB
CD9088CB

Overview
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ãµØÌëÓöÊŸ CD9088CB ·Âçµú»ôÒÕʵÆ÷µ³Ð÷µç ¬Æ¥µé¿»ÒÇÊ ªÎÊÂµÆ Åº еÆÐÖĵõÈ ·ÂçµÜĦ¹ÐÓùËĵö³äʵÆôÒ½µëÈäʵÆäÉÓ´ú»ôÒÕÊÀµùÉ¥µ¬ºÚÄ ·ÂçµôÒ²¾ ³Ð÷µ Ðú»ÚÓà ɿ³ÍµÏÆÖؿʵƯ¶Ô׬ºÚÄ ¤»£±ÔЫ¼´Ôçµ ÁÖ͵ɿ¹Ñçµ´Ôçµ÷פ¹ ´Ó ½ÊÎа×â· 88MHz » Î ´ ¸ ü ¼ SOP16 1.
8V µ½ 108 MHz ÷ËÑ ¯¶Ô×ÖϵÊÉ¿Úħζ·ÊµÆĵ 70kHz ³ÍµÏ·»àÏøËĵ ÂÏçÈãµØÌäÆ ´ÔÐÓÉ ÔÐñÔ¡Ñ RCÖ Ï µ Ê ÷ Æ ¨ ² Ë Â ¥µò¼·Â絧ÎâÍäÆ «ÌͺŠеÆÐÖÇ·ÆÖ ÒÉ¿·ÂçµôÒ²¾ ͵¾±É³ÃÓ¦ ÐÖà ÚÄ·Âçµ 2 ÷õËŽýÒëÓ¼Íò¿ÜĦ¹ 2.
1 ¼ Í ò ¿ Ü Ä ¦ ¹ 16 15 14 13 12 11 10 9 »ìƵ÷ Â˲¨Æ÷ Öзźͼ첨 µç×Ó÷г ±¾Õñ ¾²Òô 1 2 3 4 5 6 7 8 2.
2 ÷ à µ Ë Å ½ ý Ò Å½ýÒ 1 2 3 4 5 6 7 8 ·û ºÅ OUTMUTE OUTAF LOOP VCC OSC IFFB FILLP1 OUTIF ¹¦ ö³äÊôÒ²¾ ö³äʵÆôÒ ¨²ËµÆôÒ ´Ôçµ ´µñÕ ¡À´·µÆÐÖ ¨²ËÂ¨Í µ ö³äʵÆÐÖ ÄÜ Å½ýÒ 9 10 11 12 13 14 15 16 ·û ºÅ INIF FILLP2 INRF INRF FILLIM GND FILAP TUNE ¹¦ ëÈäʵÆÐÖù·ÞÏ ¨²ËÂ¨Í µù·ÞÏ ëÈäʵÆäÉ ëÈäʵÆäÉ ¨²ËÂÃÖ«Æ÷ ù·ÞÏ µØ ¨²ËÂ¨Í«È ÷µç /AFC ö ³ ä Ê ÄÜ ÎÞÎý»ª¾§Î¢µç×ӹɷÝÓÐÏÞ¹«Ë¾ ·Öص ·ÂªÏºÁÐÊýÎÞ ¡ÊÕË-½ 14 ºÅ °»çµ 1 Ò³ 0510 - 5807228-5542 ¹² 4 Ò³ æÕ«´ 0510 - 5800864 www.
DataSheet4U.
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1 ý Ê Î ² Þ Ï « ¼ ¨¶æ¹ÐÓíÁÇ·ý³ ²Î ¹Ñçµ´Ôçµ È¶Âγ¾·»÷פ¹ ȶÂÎæ´üÖ Êý Ãû ³Æ Tamb = 25 ·û ºÅ VCC Tamb Tstg ¶î Öµ 5 -10 ~ 70 -55 ~ 150 ¶¨ µ¥ λ V 3.
2 ý Ê Î ² ç µ ¨¶æ¹ÐÓíÁÇ·ý³ Vi = 400uV ¹ Ñ ç µ ·  ª ¿ ²Î Êý Ãû ³Æ VCC=3V Tamb=25 RS = 75 ·û ºÅ ÍÐäµ Vi = 1Mv,VOAF = 0dB,VOAF = -3dB ʱ ; ß Ï ú Ç û ¼ 3 ª¿ôÒ²¾ 3 6 عôÒ²¾ S+N / N = 26dB 5 52 56 ßÏúÇû¼ 1 f = 22.
5kHz 2.
4 f = 75kHz FM 1kHz 75kHz 47 52 AM 1kHz m = 0.
8 frip =1kHz 7 10 Vrip =100mV 60 85 RL= 22k ãµÞÏ«¼ µÖÍÐäµ V/ t fosc/ t IAFC/ V3 ²â ÊÔ Ìõ ¼þ ¹æ ¡Ðî× ·¶ Öµ ó´î× 6 12 10 1.
4 3.
3 »Î¥µ fIrf = 96MHz f =22.
5kHz fMOD =1kHz ȶôÃéÁù·ÞÏ È±ëÔÅРȶæÕ§Ê AM Æ Ö Ò ÆÖ Ò¨²ÆÎ ö³äʵÆôÒ ÷ËÑ Àµ Æ 16 ¹Ñçµö³äÊ¡Ðî׎ ʱÐÆÖ÷µ ʱдµñÕ AFC Ê Â ± Ð VILIM S+N/N THD AM uV dB % % dB dB R.
R VO BB910 C16 = 0.
1uF V16 KV KOSC KAFC 120 mV V mV/S MHz/S uS 95 1.
25 4.
75 Vcc - 1.
85 210 420 2.
83 5.
6 9.
5 19 µÚ 2 Ò³ ¹² 4 Ò³ www.
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