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Nwavguy_O2_V11_Docs_30_Nov_2011.pdf
STP14NK50ZFP TO220F see docs 1 Dual Channel Comparator DIP8 NJM2903D JRC U2 0.39 0.39 513-NJM2903D 1 LM2903N, (National, Fairchild, etc.) 1 Dual Low Noise Audio Op Amp DIP8 NJM2068D JRC U1 0.39 0.39 513-NJM2068D 1 NJM2068DD (quieter), NE5532AP (noisier), OPA2277PA (low power see docs) 2 Dual High Current
in „Kopfhörer-Verstärker“ · Analoge Elektronik und Schaltungstechnik ·
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2706_SCH.pdf
5 DQ2 DQ13 50 C23 0.1uF 2 2 LCD_D4 18 LCD_D4 VDD 79 VDD C22 0.1uF GND 6 VSSQ1 VDDQ4 49 VCC D2 D1 用 LM489时， R49，C64， C29不贴 LCD_D5 19 78 GND SDT_D3 7 DQ3 DQ12 48 SDT_D12 IN5819 IN5819 LCD_D6 20 LCD_D5 VSS 77 VCC C24 0.1uF SDT_D4 8 47 SDT_D11 用 EMA201时， R48，R14， C34不贴， C31=0R LCD_D7 21 LCD_D6 VDDIO 76 LIGHT_CON
in „Handydummy (Attrappe)mit richtigem Display - Sony Ericsson Vivaz“ · Mikrocontroller und Digitale Elektronik ·
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SMD_Catalog.pdf
ref ABP LM4040CIX3-2.5 Max L SC70 2.500V 0.5% shunt V ref ABQ LM4040DIX3-2.5 Max L SC70 2.500V 1% shunt V ref ABR LM4040AIX3-3.0 Max L SC70 3.000V 0.1% shunt V ref ABS LM4040BIX3-3.0 Max L SC70 3.000V 0.2% shunt V ref ABT LM4040CIX3-3.0 Max L SC70 3.000V 0.5% shunt V ref ABU LM4040DIX3-3.0 Max L SC70 3.000V 1% shunt V ref ABV LM4040AIX3-4.1 Max L SC70 4.096V 0.1% shunt V ref ABW LM4040BIX3-4.1 Max L SC70 4.096V 0.2% shunt
in „Hilfe bei Bauteilsuche für Mainboard“ · PC Hard- und Software ·
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SIM300_HD_V1.06.pdf
package are 0603) .If you want to adopt a amplifier circuit for audio, we commend National company’s LM4890. But you can select it according to your needs. SIM300_HD_V1.06 Page 32 of 56 SIM300 Hardware Interface Description Confidential SIMCOM 3.9.1 Speaker interface configuration Figure 14：Speaker interface
in „GSM sim300 mit SAM7-EX256 kommunizieren“ · Mikrocontroller und Digitale Elektronik ·
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sim300_HD_V3.07.pdf
package are 0603.) If you want to adopt a amplifier circuit for audio, we recommend National company’s LM4890. But you can select it according to your needs. SIM300_HD_V3.07 38 25.10.2007 SIM300 Hardware Design 3.9.1 Speaker interface configuration Figure 21: Speaker interface configuration Figure 22: Speaker
in „GSM sim300 mit SAM7-EX256 kommunizieren“ · Mikrocontroller und Digitale Elektronik ·
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SIM908-C.pdf
following figures. If user needs to use an amplifier circuit for audio, National Semiconductor Company’s LM4890 is recommended. 4.7.1 Speaker Interface Configuration These components should be close as possible as The lines in bold type should be accorded to different10pF 33pF ESD signal layout rules ANTI
in „GSM-Modul (SIM908) nur analoge Ausgänge für Anruf?“ · HF, Funk und Felder ·