高效率,不干扰fm收音扩音器电路应用

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1、123456LED2LED680R31LED1470uF/10V(6X12)LED12C38C39R302D1P1104470LED11158195USBBAT1R32Q2L3L4AMBR0502VBAT12125VAJK2D2U4104422uH100M/600RGND3RING1R35C45AINL14VCCBAT3Q48050R41DPSHELLDP2R1052SSI2301PWR_CTRLDMDMTIP4.7K3221VUSB2R36C46AINRGND104C20C47C48VCCTGR

2、39110410433P106SHELLSLV4.7K105DCJackJ1513PROGCHRGSR38C49C50LINE_INR40U51066AS6105PWR_DET104D3R37242103DC-DC330VBATVBATOUTIN54321具有数码音响解码MP3，FM收音功能，又具扩音效果。VLOUME1传统的数码扩音器，采用TEA2025这种AB类功放，需要双电池7.4V供电。因芯片自身问题耗电严重，续航时间较短。当然不带FM收音机功能完全可以用纯CLASS-D功放MIX2005

3、这种芯片。效率也非常高。但目前大部分产品都带FM收音功能，为此技术人员都在寻找既能有CLASS-D功放的高效率，又能兼顾不干扰FM的新技术芯片。EXT_SCLEXT_SDA为此上海矽诺微设计出具有自主专利知识产品F类功放（MIX2008,MIX3008,MIX3018）。R16102R17102现采用F类数字功放MIX3018。彻底解决了数字功放不能做FM收音机难题。MUTEF/DPWR_DETCARD_CMDCARD_DATCARD_CLK兼顾了CLASS-D的高效率与不干扰FM收音。VDD33

4、B484746454443424140393837R12B22K技术支持：0755-83611411QQ:1520596629http://www.wellking-tech.comC9VTOPMODE1C7106C3ADC_KEYR1312VDD33C1X_DATA9X_DATA8X_DATA5X_DATA2X_DATA1X_DATA0X_RESET36LED_C0R2AINL563122VDD33CCARD_CMDCARD_DATCARD_CLKX_DATA133543104VDD33VDD3

5、3X_DATA14LED610243VDD183VDD18X_TEST_MODEX_DATA1534LED5105LED屏1LED_C4433LED4ANTC4C105X_DATA10U1X_DATA1632R3AINRLED_C3LED3NEXT16X_DATA11X_DATA1731C1110123456789101112123456789R1412105LED_C2X_DATA12X_DATA18LED2GNDLOUT2R212DP7CBM5070-4830LED1100P2910510KD

6、PX_DATA19FMINROUTDM829LED038439DMX_DATA20284GNDGND7R6LED_C0LED_C1LED_C2LED_C3LED_C443XI32KVDD33EXT_SCLXO32K10XI32KHPVDD27LHPOUTC2EXT_SDA5SCLVDD6FM_CLKC5C6TF1C82.2nF11XO32KLHPOUT26C1147PSDACLK104102R4VDD33CPREW1PLL_CPHPVSS106L1R1VDD33CR151225100NH10CAR

7、D_CMDCARD_CLKCARD_DATCARD_INS12PLL_C1RHPOUT2M100LED0100LED1100LED2R5100LED3100LED4R7100LED5R8100LED6R9R10R1112RHPOUT3324343C3022nFVDD18_LDOVSSVDD50VDD33_LDOX_DATA3X_DATA4X_DATA21X_DATA22X_DATA7X_DATA6VMIDAVDD33REP11212131415161718192021222324L24343600

8、R@100MHzVDD18C32VDD33225ADC_KEYLEDLED_C1PWR_CTRLAINRAINLVDD33C365VC37C34C35106104106106R29C33U8CRXI32K2MXO32KFM_CLKC148VICY147KC12U8AC32.768晶振100P104VDD33CRLHPOUTR18OPAMP-3PU2C6147KC64225102VI3C95C90C13C921OUTC29C311510610uFR19R66OPAMP-3PRHPOU