L20AV6-A0

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配件明细

39发动机-豪嘉利⊕ 39液压油箱 3R07-0100-01-0 400A熔断器 6075油源阀-力士乐⊕ 6075左先导手柄-力士乐⊕ 60B行走马达-力士乐⊕ 60D右先导手柄-第星⊕ 60D左先导手柄-第星⊕ 60K回转马达-双凯⊕ 60K主阀-双凯⊕ 60回转马达-第星⊕ 60行走马达⊕ 61山推履带螺母 65回转马达-东明⊕ 65回转马达-天津中旭⊕ 6T动臂油缸维修包 6T斗杆维修包 7.5T铲斗硬管(大腔) 7.5T铲斗硬管(小腔) 7.5T动臂硬管(大腔) 7.5T动臂硬管(小腔) 7.5T斗杆维修包 7.5T斗杆硬管 75发动机-五十铃⊕ 75主泵-力士乐⊕ 8.5T动臂维修包 8.5T斗杆维修包 8.5T斗杆硬管(大腔) 8.5T斗杆硬管(小腔) 8.5T推土维修包 85发动机-豪嘉利⊕ 85回转马达-第星⊕ 85主泵-CASAPPA⊕ 90V8前机罩 90V8仪表 A型蜗杆传动式软管环箍 BACK UP RING BACK UP RING BACKUPPING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING BACKUPRING
图号 3R04-7310-00-0 3R04-73A10-00-0-H RL11-73A010000A03A RF11-51A000009A0 RF11-51A000010A0 RJ04-73A010000A03L RJ11-73A010000A03D RJ04-73A010000A03D RH01-73B0100-00 E6341501 E6341521 E6311581 E6311441 E6341461 E6341481 E6490087 E6311561 E6341561 E6490083 E6311621 E6300981 E6490085 E6341581 E6490086 E6311501 E6341621 E6490082 RE21-73B0100-00 RE41-73A010000A03D RN21-73C010000A03L RK01-020100-00 KC-ESS-20A-032A AV-170 K-2S6G1-106 14SM680119 PVD8PC5020A PV48KC1313 PV48KC1312 T5V63DP 15Z25*42*10 XLB-RJ1C0-B01303-N1 WFR150CD A10VS045-6 XLB-RJ1B0-B01303-N1 WFR150DB 85×70×30 85×70×35（B） XLB-RJ1A0-B01303-N1 WFR150DG SDS140D GBT6170-M12 GBT6170-M16 GBT6170-M10

3_%E7%AC%AC%E4%B8%89%E7%AB%A0%20%E5%B7%A5%E7%A8%8B%E6%8E%A7%E5%88%B6%E7%BD%91%E5%B8%83%E8%AE%BE%E7%9

2007-5-9
5
3.1 工程控制网的分类和作用
按网形分：三角网导线网混合网方格网
2007-5-9
6
3.1 工程控制网的分类和作用
按施测方法划分：测角网测边网边角网 GPS网
2007-5-9
7
3.1 工程控制网的分类和作用
按坐标系和基准划分：附合网（约束网）独立网经典自由网自由网
3.3 工程控制网的质量准则
5.均匀性和各向同性准则
λ λ
m ax m in
1
λmax λmin min
2007-5-9
24
3.3 工程控制网的质量准则
二、点位精度和相对点位精度三、未知数函数的精度四、主分量五、准则矩阵
2007-5-9
25
3.3 工程控制网的质量准则
3.3.1.2 可靠性准则
2007-5-9
15
3.2 工程控制网的基准和建立方法
3.2.1 工程控制网的基准
（1）约束网：具有多余的已知数据。（2）最小约束网（经典自由网）：只有必要的已知数据。（3）无约束网（自由网）：无必要的已知数据。
2007-5-9
16
3.2 工程控制网的基准和建立方法
表3-1 各种工程控制网的基准秩亏和基准参数
第三章工程控制网布设的理论与方法
2007-5-9
1
第三章工程控制网布设的理论与方法
主要内容
工程控制网的作用和分类工程控制网的基准和建立方法工程控制网的质量准则工程控制网的优化设计典型工程控制网控制点的埋石与标志控制测量内外业一体化
重点
工程控制网的质量准则
2007-5-9 2

%E7%AC%AC%E4%B8%89%E7%AB%A0%20%20%E6%9C%BA%E6%A2%B0%E9%9B%B6%E4%BB%B6%E7%9A%84%E5%BC%BA%E5%BA%A6[1]

45°
minN
N I
45°
C
求AG与MM3´的交点:
m
1e
1 ae e me me ae K K
' me ae min m a

lime max
强度条件: S ca
lime s s S ca S max m a min 2 a
c）工作应力位于OAJ区域内
min ——为负值，工程中罕见，故不作考虑。
注意：
1）若零件所受应力变化规律不能肯定，一般采用 γ =C的情况计算
2）上述计算均为按无限寿命进行零件设计，若按有限寿命要求设计零件时，即应力循环次数104<N<No时，这时上述公式中的极限应力应为有限寿命的疲劳极限 N ， m 0
（3-24）
b)工作应力点位于IGC区域极限应力为屈服极限按静强度计算 ∵极限应力点为 N 3 ( me , ae )
L
a A M M' 3
J G N' 3
O minM
45°
minN
N I
45°
C
m

me ae s lime
静强度条件
工作点：
'ae
D
G
M或N
∴过原点与工作应力点M或N作连线交ADGＣ于M1´和N1´ 点，, M1´和N1´点即为所求的极限应力点
计算安全系数和强度条件：
a A M' 1 M N 'me N' 1 C m
a)当工作应力点位于OAG内极限应力为疲劳极限，
'ae

路由器电路图

Block DiagramBCM2050HHM1520HHM1520AS-179SwitchMMPA742G BPFAS-179SwitchBCM4306EEPROMMini-PCIinterfaceCircuit DiagramA AB BC CD D EE 44332211Signal GND Chassis GND 500mA 500mA +5VDC/2A POWER CONNECTORHole diameter 50 miles Pad diameter 100 miles <Doc>R1.00<Title>B212Tuesday, April 29, 2003TitleSizeDocument Number Rev Date:Sheet of DC-DC+4702_GPIO34702_GPIO[7:0]4,5,6+5V C+1.8V_5325+1.8V_4702+5V+3.3V_DIGSW_+3VWAN_+3V +5V +5V_LPT +3.3V_DIG MINIB_+3V +1.8V_MINI PCI LB1110UH3A/DIP 12D8B240LA Q3XP162A12A6PRU15XC6365B 12345EXT/VDD GND CE Vout(FB)C183470UF/16V-E/C 12C181?(1500PF/2KV)12GND1GND2INJ12DC_POWER_JACK_3P 123C180470UF/16V-E/C12C182100NF 12F3MINISMDM16012R23910K R1670LB12B0603/0.5A/120R C17210UF/10VQ4MAC4DLM 3214D9TL431ACD LB3B0603/0.5A/120R C49100NF 12LB70/temp LB9B0603/0.5A/120RLB10B0603/0.5A/120R LB1B0603/0.5A/120R L19MLB-321611-0120P-N121L140/tempL20MLB-321611-0120P-N121C187100NF 12R228?(0)R168470C186100NF 12U30AIC1084-331234ADJ VOUT VIN VOUT R1012R24.7K 12LB2?(B0603/0.5A/120R)C174?(470PF)Q5?(PMBS3904)R2372KQ6PMBS3904R23812K C17347UF/10V R176?(4.7K)R177?(4.7K)R2064.7KL1522UH/1A R23539.2K(1%)C18510UF/10V R23648.7K(1%)C17547UF/10V C18410UF/10V2-CPU&MEMORY Engineer:Engineer:A AB BC CD D EE 44332211Route this area void of PWR/GNDplanes and high speed nets. Also keeptraces short and route as matchedlength differential pairs.<Doc>R0.6<Title>C 612Tuesday, April 29, 2003Title Size D o c u m e n t N u m b e r Rev Date:S h e e t o f TX-TX+R X +EPHY_TDP MII1_TXCLK MII1_RXER EPHY_RDPMII1_MDIO MII1_TXD3MII1_TXD2MII1_TXD1MII1_TXER EPHY_RDP E P H Y _R D NMII1_MDC MII1_TXD0E P H Y _R D N EPHY_TDP MII1_RXDV MII1_TXEN MII1_COL MII1_CRS MII1_RXD0MII1_RXD1MII1_RXD2MII1_RXD3MII1_RXCLK MII1_RXDV MII1_RXER MII1_MDC MII1_TXD0MII1_TXD1MII1_TXD2MII1_TXD3MII1_TXCLKMII1_TXEN MII1_TXERMII1_COLMII1_CRS MII1_RXCLK MII1_RXD0MII1_RXD2MII1_RXD3WAN_LINK/ACT EPHY_TDN EPHY_TDNMII1_RXD1MII1_MDIO RX-POR_RESET#3,4,8TX+TX-R X +RX-WAN_+3V +2.5V_DIG WAN_+3V+2.5V_DIG +2.5V_DIG+2.5V_DIGC +3.3V_DIG +2.5V_DIG+3.3V_DIG R 8610K 12+C 5110UF/16V12R 3451012C 60100N F 12R 46?(10K)12R 1704.7K R 1924.7KR 403312R 1934.7K R 1944.7K C 681N F 12R 4712R 581K 12R 334.7K 12R 3249.9(1%)12+L E D 21LED(WAN)12C 119100N F12+C 7110UF/16V<>12C 65100N F 12R 232?(4.7K)R 39 4.7K 12R 3149.9(1%)12R 2610K (1%)12C 63100N F12R 654.7K R 454.7K12R 4949.9(1%)12R N 1A 4.7K-4R8P 12R 297512123X225M H Z H11XX U 7LF850513268713121614151191045TD+T D -T D C T R D +R D -R D C T N C 4N C 3TX+TX-TXCT R X +RX-R X C T N C 1N C 2C 66100N F 12R 231?(4.7K)R N 1C 4.7K-4R8P 56R 307512C 64100N F 12R 444.7K12R 41?(4.7K)12U 3E B C M 4702C 8A8B8D 8C 4C 6C 7A5A6A7B5B6B7D 5D 4D 7D 6C 5MII1_TXD2MII1_TXD0MII1_TXD1MII1_TXD3MII1_MDCMII1_RXD3MII1_TXEN MII1_CRS MII1_RXD1MII1_RXCLK MII1_COLMII1_RXD2MII1_TXCLK MII1_RXD0MII1_MDIO MII1_TXER MII1_RXDV MII1_RXER R 188R/1206R N 1D 4.7K-4R8P 78R 189R/1206C 61100N F 12C 67100N F 12C 69100N F 12R 169150C 5218PF 12R 383312U 6A C 101L123456789101112131415161718192021222324363534333231302928272625484746454443424140393837V C C 2G N D 2RXDV/CRSDV RMII_mode/RX_CLK ISOLATE/RXER G N D 3V C C 3TXER TXC TXEN TXD0TXD1TXD2TXD3COL REPEATER/CRS G N D 1V C C 1PHYAD0/INTR BURNIN#_L/LED0SPD100/LED1DUPLEX/LED2ANEN/LED3PDOWN#V C C 25O U T TXP TXN G N D 4V C C P L L R B I A D G N D 5G N D 6SD/FXEN RXP R X N V C C 4PHYAD4/RXD0PHYAD3/RXD1PHYAD2/RXD2PHYAD1/RXD3M D C MDIO RST#V C C 33I N XI XO G N D 7G N D 8C 62100N F 12C 5418PF 12C 591NF-C180812R 27330K 12R N 1B 4.7K-4R8P 34R 5049.9(1%)12R 3710K 12Engineer:A AB BC CD DEE44332211NOTE: Route XTAL traces away from DAC output pins and add GND guard trace to separate DAC outputs from XTAL pins(H.W reset)(S.W reset to defaul t )<Doc>R0.6<Title>C 812Tuesday, April 29, 2003TitleSize D o c u m e n t N u m b e r Rev Date:S h e e to fU S B 1_CUSB1_P U S B 1_N U S B 1_CU S B 2_NUSB2_P 4702_GPIO54702_GPIO04702_TRSTPOWER_LEDA V D D4702_GPIO04702_TCK 4702_GPIO34702_GPIO64702_TRST4702_T D I 4702_GPIO24702_GPIO64702_GPIO14702_T D O 4702_GPIO54702_GPIO74702_TMS4702_GPIO4P L L V D DU S B 1_NUSB1_PPOR_RESET#3,4,64702_GPIO[7:0]4,5,6+5V+3.3V_DIG +3.3V_DIGC+3.3V_DIG+3.3V_DIG+3.3V_DIG+3.3V_DIG +1.8V_4702+3.3V_DIG+3.3V_DIG+1.8V_4702+3.3V_DIG+3.3V_DIG+3.3V_DIG+3.3V_DIG+3.3V_DIGU 3IB C M 4702D 1B2C 1C 2A1B1D 3D 2CODEC/_SDO/AUDIO_SDO/IR_SDOCODEC_RGDT_L/AUDIO_MCLK CODEC_OFHK_L/AUDIO_SCLK CODEC_SCLK/AUDIO_CTRL_CLK CODEC_MCLK/AUDIO_LRCKCODEC_SDI/IR_SDICODEC_FSYNC/AUDIO_CTRL_DATA CODEC_RST_LR 79?(1K)12+C E 2330UF/16V12R 17110012R 10610012RESET1PB-RESET1234R N 210K-4R8P13572468L 11120 OHM/100MHZ21R 178?(10K)+L E D 3LED-USB12C 193100N F 12C 194100N F 12C 195100N F12R 9915K12C 196100N F 12R 205330R 13524012R 541512R 5515K12SW1PB-Reset default1234C 129100N F12C 177100N F12C 189100N F12+L E D 15LED(POWER)12C 190100N F12R 9715K12C 191100N F12C 192100N F12C 981N F12C 11410N F12R 531512R 5215K12C 1044.7UF/10V 12C 203?(22PF)12C 120100N F12C 204?(22PF)12U 3HB C M 4702Y6AB5AA5Y5W5AB4AA4Y4AB3AA3AB1AB2A2M 4W 9W 17K 19D 15D 9V 8V 9K 4R 5P 5R 18V 15V 14P 18W 6E 8E 9J 18J 5H 18H 5E 14E 15F 4N 4W 4W 14Y 14N 18E 6E 16E 17E 18F 5F 18U 18U 5T 18K 18G 18V 18V 17V 16V 6AA14AB14Y15A9A3A4B3C 3B4E4L 4W 8L 19D 16D 10E 5W 16P 4E 12E 11E 10E 7K 5V 13V 12L 18L 5A A 15V 11V 10V 7V 5T 5G 5W 15W 7N 19N 5M 18M 5E 13D 18D 11D 12D 19G 4H 4T 19U 19W 19W 18P 19GPIO0/EJTAG_PCST0/EB_PCMCIA_WP GPIO1/EB_PCMCIA_A20/EJTAG_PCST1GPIO2/EB_PCMCIA_A21/EB_SYNC_A21GPIO3/EB_PCMCIA_A22/EB_SYNC_A22GPIO4/EB_PCMCIA_A23/EB_SYNC_A23GPIO5/EB_PCMCIA_A24/EJTAG_PCST5GPIO6/EB_PCMCIA_A25GPIO7/EJTAG_PC_CLK VDDIO12VDDIO13RESERVED15RESERVED14EXT_POR_LV D D C O R E 1V D D C O R E 2V D D C O R E 3V D D C O R E 4V D D C O R E 5V D D C O R E 6V D D B U S 5V D D B U S 4V D D B U S 3V D D B U S 2V D D B U S 1V D D I O 2V D D I O 10V D D I O 11V D D I O 1V D D I O 3V D D I O 4V D D I O 5V D D I O 6V D D I O 7V D D I O 8V D D I O 9V D D I O 14V D D I O 15V E S D 1V E S D 2V E S D 3P L L V D DA V D DN C 12N C 13N C 14N C 15N C 16N C 17N C 18N C 19N C 20N C 21N C 22N C 23N C 24N C 25N C 26N C 27XTAL_IN XTAL_OUT RESERVED5RESERVED6JTAG_TRST_L JTAG_TMSJTAG_TDO JTAG_TDI JTAG_TCK TEST-ENABLE G N D 25G N D 12G N D 28G N D 24G N D 23G N D 16G N D 14G N D 10G N D 4G N D 3G N D 2G N D 1G N D 31G N D 30G N D 29G N D 27G N D 26G N D 22G N D 21G N D 20G N D 19G N D 18G N D 17G N D 15G N D 13G N D 11G N D 9G N D 8G N D 7G N D 6G N D 5R E S E R V E D 16R E S E R V E D 13R E S E R V E D 12R E S E R V E D 11R E S E R V E D 10R E S E R V E D 9R E S E R V E D 8R E S E R V E D 7R E S E R V E D 4R E S E R V E D 3R E S E R V E D 2R 240+L E D 18L E D (P R N )12C 142100N F12D 1S R 051234U 14MAX811SEUS_T1234GND RESET#M R #V C C C 11522PF 12R 195C 961N F12C 11610PF12C 135100N F12R 1650C 136100N F 12R 5610012123X348M H ZR 13612C 14110UF/10V12C 143100N F12R 1963.3KC 138100N F12C 139100N F12L 16BEAD21L 13120 OHM/100MHZ21L 17BEAD21C 73100N F12R 13810K12U3GB C M 4702N 20P22P21P20N 21N 22USB_CTRL2USB_CTRL1U S B 1_N USB1_P USB2_P U S B 2_N F20.75A/13.1V12L 122.2UH/50mA21R 1664.7KC 140100N F12R 20410KC 144100N F12C 162100N F12C 163100N F12C 188100N F12C 164100N F12C 168100N F12C 170100N F12C 197100N F12C 171100N F12C 198100N F12C 199100N F12R 1051M12C 200100N F 12R 209R 5710K 12C 201100N F12U 2474H C 123D T123456789101112131415161A 1B C L R 1/Q1Q2Cext2Rext2GND2A2B C L R 2/Q2Q1Cext1Rext1V C C C 202100N F12C 1084.7UF/10V 12J31X4P123456A AB BC CD DEE44332211* R223 pop ,R218 no pop:Support SPP & EPP mode.* R223 no pop and R218 pop :Support full mode(ECP).<Doc>R0.6<Title>B912Tuesday, April 29, 2003TitleSize Document Number Rev Date:SheetofE IF _O E #L P T _D 6L P T _D 3LPT_BUSY D 2L P T _D 4A2LPT_D0/LPT_STROBEL P T _D 7LPT_PE D 6D 0L P T _D 2LPT_ACK /LPT_AUTOFD D 1LPT_SLCT D 3/L P T _S L C T I N L P T _D 5LPT_ERROR#L P T _D 1A0/L P T _I N I TD 4I /O C H R D Y D 7A1E I F _W E #/LPT_SLCTIN/LPT_AUTOFD/LPT_STROBE/LPT_INIT4702_GPIO2I/O CHRDYD 5CS1#A10A4CS1#EIF_MISC_CS#RESETLPT_D3INIT#(DIR#)PD6(MTR0#)PD3(RDATA)LPT_D7LPT_D0SLCTIN(WGATE#)BSY(MTR1#)PD0(INDEX#)LPT_D4LPT_D6LPT_D5/LPT_SLCTIN PD2(WP#)SCLT(STEP#)PD7(MID1)ALF#(DRVDEN0)PD4(DSKCHG#)PD5(MID0)LPT_D2/LPT_AUTOFD PE(WDATA#)/LPT_INIT PD1(TRK0#)LPT_D1LPT_ERROR#ERR#(HDSEL#)/LPT_STROBE STB#(DS0#)ACK#(DS1#)LPT_ACK LPT_BUSY LPT_PE LPT_SLCT4702_GPIO2D[15:0]A[21:0]EIF_WE#EIF_OE#EIF_MISC_CS#POR_RESET#3,4,84702_GPIO[7:0]4,5,6+5V_LPT+5V_LPT+5V_LPT+5V_LPT+3.3V_DIG+3.3V_DIG+3.3V_DIG+5V_LPT+5V_LPTR2251M 12C149150PF R216100R175220Attansic AT7601FU26AT7601F123456789101112131415161718192021222324252627282930313233343536373839404142434445464748I O R #A E N I O C H R D D B 0D B 1D B 2D B 3D B 4D B 5D B 6D B 7G N DDACK#DRQ TC XAL1/CLKINXTAL2RESET VCC SLCT PE BUSYACK#PD0N CP D 1P D 2P D 3P D 4P D 5P D 6P D 7S L I N #I N I T #N C G N D ERR#AFD#STB#PS/PDIR PINT A0A1A2CS2#/A10CS1#VCC IOW#RN44.7K-4R8P13578642R221220RN54.7K-4R8P13578642R2220C167100NF12R223?(0)RN64.7K-4R8P13578642R1860R2000U257404(1)12345NCAGNDYVCC C16622PF12R214100R2174.7KR187220C179100NF12R213100R212100C123100NF12C121100NF 12R211100R226220R215100R1970R199220C158150PFR137220R198220R202220R203220R210220R219220C150150PF C159150PFC146150PF C154150PFC155150PFC151150PF U297432(1)12345A BGND Y VCC U277404(1)12345NC A GND Y VCC C147150PF R2240C160150PFR220220C156150PFC16522PF12C124100NF12C152150PF 12GND3X413.5MHZR1740C145150PF C161150PFR2180RN34.7K-4R8P13578642C169100NF12C148150PF R1720C153150PFC157150PFP1DCON25F13251224112310229218207196185174163152141R173220123456ABCD654321D CBATitle NumberRevisionSizeB Date:28-Apr-2003Sheet of File:C:\BCM94301MP_LAYOUT\..\BCM_MiniPCI.sch Drawn By:PCI_CBE3_L C3PCI_CBE2_L G4PCI_CBE1_L K1PCI_CBE0_L N1PCI_FRAME_L G3PCI_IRDY_L G1PCI_TRDY_L H1PCI_DEVSEL_L H3PCI_STOP_L J1PCI_PERR_L J2PCI_SERR_LJ3PCI_PAR J4PCI_INT_L M5PCI_RST_L D5PCI_CLK C5PCI_PME_L B6PCI_IDSEL D1PCI_REQ_L D4PCI_GNT_LB5CSTSCHG A5PCI_CLKRUN_LG2BCM4301BGA196_1MM PCI INTERFACE PCI_AD29B3PCI_AD28A1PCI_AD27A2PCI_AD26B1PCI_AD25C1PCI_AD24C2PCI_AD23D2PCI_AD22E4PCI_AD21E3PCI_AD20E1PCI_AD19E2PCI_AD18F4PCI_AD17F1PCI_AD16F2PCI_AD15K2PCI_AD14K3PCI_AD13K4PCI_AD12L1PCI_AD11L2PCI_AD10L3PCI_AD9M1PCI_AD8P1PCI_AD7N2PCI_AD6P3PCI_AD5N3PCI_AD4M4PCI_AD3P4PCI_AD2N4PCI_AD1P5PCI_AD0N5PCI_AD30C4PCI_AD31A4U11ABCM4301ac_reset_l 110mod_audio_mon111audio_gnd 113sys_audio_out 115sys_audio_in116inta_l20reserved36reserved 43reserved 110reserved 1123p3vaux24rst_l 26gnt_l 30gnd 102pme_l 34ad3038plus33v 88ad2842ad2644gnd 114ad2446(plug)conminipci3plus5v 97intb_l17reserved 22reserved 93reserved 98reserved 21gnd 27clk 25gnd 69req_l 29ad3133ad2935gnd 49ad2739ad2541plus33v 19cbe3_l 45ad2347gnd 50ad2151ad1953plus33v 28ad1757cbe2_l 59gnd 62irdy_l 61plus33v 31devsel_l 72gnd 55perr_l 71plus33v 40plus5v 18gnd 23idsel 48plus33v 89ad2252ad2054gnd 32ad1858ad1660frame_l 64trdy_l 66gnd 37stop_l 68clkrun_l 65par 56ad1576ad1378ad1180gnd 83ad984cbe0_l 86ad690ad492gnd 101ad294ad096ac_codecid0_l 108ac_codecid1_l109ring 28pmj_148pmj_268pmj_488pmj_510led2_yelp 12led2_yeln 14reserved16sys_audio_in_gnd118audio_gnd 120mpciact_l 1223p3vaux 124serr_l 67plus33v 63cbe1_l 73ad1475gnd 74ad1279ad1081gnd 77ad885ad787plus33v 70ad591ad395gnd 82ad199acsync 103m66en104ac_sdata_ina 105ac_sdata_out 106ac_bit_clk 107tip 18pmj_338pmj_658pmj_778pmj_89led1_grnp11led1_grnn 13chsgnd 15sys_audio_out_gnd 117audio_gnd 119reserved 121plus5va123conn_minipci3J4CONN_MINIPCI3Page 1: MiniPCI Interface Page 2: RF Front End Page 3: Radio/Baseband Page 4: Power/Clocks/Misc.MINIPCI INTERFACEbcm94301mp rev 7.34pci_intlvaux pci_rstl pci_gntl GND pci_pmel pci_ad30pci3_3pci_ad28pci_ad26GND pci_ad24pci_idsel pci3_3pci_ad22pci_ad20GND pci_ad18pci_ad16pci_framel pci_trdyl GND pci_stopl pci_clkrunl pci_par pci_ad15pci_ad13pci_ad11pci_ad9GND pci_cbe0l pci_ad6pci_ad4GND pci_ad2pci_ad0mpci_led1mpciact_l vaux12R26ZEROmpci_led2mpci_led0rf_disable_l12R271KGND GNDGND pci_clk GNDpci_reql pci_ad31pci_ad29GND pci_ad27pci_ad25pci_cbe3l pci_ad23GNDpci_ad21pci_ad19pci_ad17pci_cbe2l GNDpci_irdyl pci_devsell GND pci_perrl pci3_3pci_serrl pci3_3pci_cbe1l pci_ad14GNDpci_ad12pci_ad10GND pci_ad8pci_ad7pci_ad5pci_ad3GNDpci_ad1pci_ad31pci_ad30pci_ad29pci_ad28pci_ad27pci_ad26pci_ad25pci_ad24pci_ad23pci_ad22pci_ad21pci_ad20pci_ad19pci_ad18pci_ad17pci_ad16pci_ad15pci_ad14pci_ad13pci_ad12pci_ad11pci_ad10pci_ad9pci_ad8pci_ad7pci_ad6pci_ad5pci_ad4pci_ad3pci_ad2pci_ad1pci_ad0pci_cbe3l pci_cbe2l pci_cbe1l pci_cbe0l pci_framel pci_irdyl pci_trdyl pci_devsell pci_stopl pci_perrl pci_serrl pci_par pci_intl pci_rstl pci_clk pci_pmel pci_idsel pci_reql pci_gntlpci_clkrunl rf_disable_l(PG 3)pci3_3pci3_3mpciact_l(PG 4)pci3_3pci3_31 1.612R230PCMCIA_SEL123456ABCD654321DCBATitle NumberRevisionSize B Date:28-Apr-2003Sheet of File:C:\BCM94301MP_LAYOUT\..\BCM_Power supply.sch Drawn By:12R3820K 1%12R3920K 1%12R4020K 1%mpci_led0mpci_led1mpci_led212R25012C8710UF12C8910UFGPIO0P14GPIO1N14GPIO2L14GPIO3L13GPIO4L12GPIO5L11GPIO6K14GPIO7K13BOOTROM_SCI C6BOOTROM_SDA D7SPROM_CS B7SPROM_CLK A6SPROM_DOUT A7SPROM_DINC7EXT_POR_L L6V D D C O R E E 7V D D C O R E J 5V D D C O R E J 9V D D C O R EK 8V D D B U S A 3V D D B U S D 3V D D B U S D 6V D D B U S G 5V D D B U S H 6V D D B U S L 4V D D B U S L 5V D D B U SP 2V D D I O E 8V D D I O E 9V D D I O F 6V D D I O G 6V D D I O G 8V D D I O H 9V D D I O J 7V D D I O K 9V D D I O K 10V D D I O M 6V D D I O M 12V D D I ON 10V E S D B 4V E S D H 2V E S DK 6A V D D C 13A V D D D 12A V D DE 11P L L V D DA 11G N D F 10G N D B 2G N D E 5G N D E 6G N D E 10G N D F 3G N D F 5G N D F 8G N D F 14G N D G 7G N D G 9G N D H 4G N D H 5G N D H 7G N D H 8G N D J 6G N D J 8G N D K 5G N D K 7G N D M 2G N D M 3G N D M 14G N DP 12A G N D A 14A G N DB 10A G N DD 14P L L G N DC 10TEST_VCOI F9PCMCIA_SEL F7JTAG_TRST_L M13JTAG_TDO N12JTAG_TDI N13JTAG_TCK P11JTAG_YMS P13GPIO8K12GPIO9K11GPIO10J11GPIO11J10GPIO12H10pll_powerdownG10BCM4301BGA196_1MMU11U11EBCM4301mpci_led0mpci_led1mpci_led2mpciact_l rf_dis_filt_l tr_sw_tx_pu tr_sw_rx_puCS 1SK 2Di 3Do4Vcc38NC 7ORG 6GND5FM93C46U1393C46W0W6TTSSOP812C850.1UFmpci_led0 = WLAN activitympci_led1 = WLAN Radio state mpci_led2 = generic ledBCM4307 POWER, RESET, GPIO, CLKSREGULATORS AND POWER SUPPLY FILTERINGbcm94301mp rev 7.34ON_OFF3BYPASS421Vout5VinGNDU8LP298512C560.01UF12C712.2UF12C5710UF12C220.01UF12C390.01UF12C280.01UF12C540.01UF12C180.1UF12C211000PF12C400.1UF12C460.01UF12C471000PF12C480.1UF12C410.01UF12C190.01UF12C80.1UF12C60.01UF12C30.01UFBCM2051 BYPASS CAPS1543433, 35474951533162125, 263012C940.01UF12C841000PF12C900.1UF12C781000PF12C910.1UF12C830.01UF12C860.1UFBCM4307 VDDBUS BYPASS CAPSA3D3D6G5, H6L4, L5P212C660.1UF12C740.01UF12C520.1UF12C731000PF12C620.1UF12C760.01UF12C530.1UFBCM4307 VDDIO BYPASS CAPSF6, G6G8, H9J7K9, K10M6M1212C611000PFE8, E9N1012C5810UF 12C680.1UF12L9012C7510UF12C670.01UF 12C700.1UF 12C930.1UF 12C690.01UF 12C550.01UF 12C6310UF 12C490.1UF 12C501000PF 12C511000PF 12C590.1UF12C602.2UF12L7MPZ2012S221A12L8MPZ2012S221ABCM4307 VDDCORE BYPASS CAPSBCM4307 AVDD & PLLVDD BYPASS CAPSE7J5J9, K8C13D12E1112C820.1UF 12C921000PF12C810.01UFB4H2K6BCM4307 VESD BYPASS CAPStr_sw_tx_pu(PG 2)tr_sw_rx_pu(PG 2)rf_dis_filt_l(PG 2)(PG 2)vcc3_3vcc3_3vcc3_3vcc3_3vcc3_3vcc3_3pci3_3pci3_3pci3_3pci3_3pci3_3vcc2051vcc1_8vdd4307avdd4307pllvdd4307pllvdd4307avcc1_8mpciact_l (PG 1)4EN 1IN 2OUT 3ADJ4GND5GND 6GND 7GND 8U10MIC37102-1.8BM(+2V9)12R810K ,1%12R1722.6K ,1%1.6PCMCIA_SEL123456ABCD654321DCBATitle NumberRevisionSize B Date:28-Apr-2003Sheet of File:C:\BCM94301MP_LAYOUT\..\BCM_Radio&BB.sch Drawn By:reserved C9reserved C8reserved B8reserved A9reserved D9reserved D8reserved A8reservedB9BCM4301BGA196_1MMU11BBCM430112R204.7Kcodec_sdoV D D P A 15V D D T X 16V D D R X 4V D D I F 3V D D V C O 21V D D L O 25V D D C P 26V D D X T A L 30V D D S U B 233V D D P L L 34V D D 4W 35V D D D I O 47V D D 48X 49V D D S U B 51V D D M O D 53T P _P L L B I A S 50V C O N T 248c p _o u t 29v d d 28V C T R L 24I B G V C O22FLTR_RX_CTRL 5AGC_RX_CTRL06AGC_RX_CTRL17AGC_RX_CTRL28AGC_RX_CTRL39AGC_RX_CTRL412TX_ANA_IN_IP 17TX_ANA_IN_IN 18TX_ANA_IN_QP 19TX_ANA_IN_QN20SRI_DI 38SIR_C 39SRI_E 40SRI_DO 42SYS_CLK 45BPWR 46PA_RAMP54RSSIA55RX_ANA_OUT_QP 57RX_ANA_OUT_QN 56RX_ANA_OUT_IP 58RX_ANA_OUT_IN59TX_PU 60RX_PU 61XTAL_PU 62SYNTH_PU63g n d _p a d65n c 337g n d 11n c 12n c 236g n d 441n c 443n c 544g n d 552g n d 664b g r e f 23v d d27RF_INP 10RF_INN11XTAL_OUT 31XTAL_IN32PA_OUTP 14PA_OUTN13U6U6BCM2051FLTR_RX_CTRL E13AGC_RX_CTL0G11AGC_RX_CTL1H14AGC_RX_CTL2H12AGC_RX_CTL3H11AGC_RX_CTL H13TX_ANA_IP B12TX_ANA_IN A12TX_ANA_QP C11TX_ANA_QN B11SRI_DOF12SRI_CF13SRI_E F11SRI_DI E14SYS_CLKA10BPWR E12PA_RAMP D13RX_ANA_QP B14RSSIAD11RX_ANA_QN C14RX_ANA_IP A13RX_ANA_IN B13TX_PU G12RX_PU G13ANT_SELP J13SYNTH_PU G14ANT_SELN J14XTAL_PUJ12TSSID10RSSIA_SPARE C12RADIOINTERFACEU11BCM4301BGA196_1MMU11DBCM4301sri_disri_do sri_do sri_di 12R121K sclko sclki rssiar12C10322PF12C3522PF12C9622PF12C9722PF12C9822PF12C9922PFagc_0agc_1agc_2agc_3agc_4tx_ip tx_in tx_op tx_onsri_c sri_eb_pwrrx_op rx_on rx_ip rx_in tx_pu rx_purssiaANT_SELP synth_puANT_SELN pdout synth_pur12C10222PF 12C10422PF 12C10522PF12C3812PF12R164.7K12R111.6KGN D 12R1545.3K 1%12R1316K 1%loop112R32.87K 1%12R3768.1K 1%12R22.87K 1%12C4256PF12C45820PF12C782PF12C5150PF12C42700PF 12C130.1UF12R14499 1%12R2110K 1%12R2210K 1%12R19012C640.01UF12C6510UF12C44120PF12C10622PFrf_disable_l synth_pusynth_purrssiarssiarrf_dis_filt_l 12R42.4K 1%2431Y1XTAL_12MHZ 12R110M12C133PF12C233PF12C2910PF 12C3110PF10PPMSE 1NC 6DIFF14GND5GND2DIFF23U2HHM1520SE 1NC 6DIFF14GND5GND 2DIFF23U7HHM1520bpf_inLPCC-6412L103.0nH +-0.3NH12L52.4nH +-0.3NH12L42.4nH +-0.3NHTRSW_RX RADIO/BASEBAND INTERFACEbcm94301mp rev 7.34TRSW_RX (PG 2)vcc3_3vcc2051vcc2051vcc2051vcc3_3LOOP4LOOP3XTAL_OUTXTAL_INRX_P RX_N TX_P TX_Nrf_disable_l(PG 1)bpf_in (PG 2)tx_pu(PG 2)pdout(PG 2)ANT_SELPANT_SELN(PG 2)(PG 2)rf_dis_filt_l(PG 4)3synth_pu12L23n3H, no load12R18?1.6123456ABCD654321D CBATitle NumberRevisionSize B Date:28-Apr-2003Sheet of File:C:\BCM94301MP_LAYOUT\..\BCM_RF.sch Drawn By:GND132RFMECHMECHJ1UFL_ANTENNA25+1-3LMV3214U14LMV32112R2820K 1%12R3310K12R36 5.62k 1%12C1100.1UF12C9522PF 12C14100PF 12C150.1UF12C10010UFvccpd12R3522K6 1%12R3456K12C1095P6Fpdout12L11MPZ2012S221A12L32N2H +-0.1nH12L15N6H +- 0.3nH12L121N8H +-0.3NH12L130 OHM12C250.5PF 12C1610PF12C1710NF12C1010.5PF12C1081P5F12C270.1UF12C4310UF 12C3333PF12L6MPZ2012S221A12C1110PF12C202PF12C1210PFtx_puvcc3_312R3015KvccpavccpaTLINE - Z = 68.4 OHMS(10MIL)L = 110 milsRF FRONT END12C321P5Fbpf_in GND bcm94301mp rev 7.34bpf_in (PG 3)tx_pu (PG 3)vcc3_3vcc3_3vcc2051pdout (PG 3)2DET1VCTL 2VEN 3IN 4VCC5VCC6NC 7OUT/VCC28G N D9U3SE2522LTLINETLINE12R72K2 ,1%12C23220pf1.6SHIELDSB1SHIELD12C933PF12C1033PF Antenna 1 (RF AUX)12R53312R63312C2433PF 12C2633PF12C3033PFANT_SELP ANT_SELN 12R93312R103312C3433PF12C3633PFtr_sw_tx_putr_sw_rx_pu RFC 5VC26VC14RF11RF23GND 2U1AS179PRFC 5VC26VC14RF11RF23GND 2U4AS179PTRSW_RXPA_OUTTRSW_RXtr_sw_tx_pu (PG 4)tr_sw_rx_pu(PG 4)ANT_SELN ANT_SELP (PG 4)12CA1?12CA37PF 12LA1?12CA2?12CA47PF 12LA2?Antenna 0 (RF MAIN)12C3733PF12C727PFTest PointANT1INV-F(original Ant_selP)。

广东省肇庆市高要区第一中学2025届高三第一次调研测试数学试卷含解析

广东省肇庆市高要区第一中学2025届高三第一次调研测试数学试卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。

2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。

3．考生必须保证答题卡的整洁。

考试结束后，请将本试卷和答题卡一并交回。

一、选择题：本题共12小题，每小题5分，共60分。

在每小题给出的四个选项中，只有一项是符合题目要求的。

1．阿基米德（公元前287年—公元前212年），伟大的古希腊哲学家、数学家和物理学家，他死后的墓碑上刻着一个“圆柱容球”的立体几何图形，为纪念他发现“圆柱内切球的体积是圆柱体积的23，且球的表面积也是圆柱表面积的23”这一完美的结论.已知某圆柱的轴截面为正方形，其表面积为24π，则该圆柱的内切球体积为( ) A ．43π B ．16πC ．163π D ．323π 2．在等差数列{}n a 中，若244,8a a ==，则7a =（） A ．8B ．12C ．14D ．103．已知双曲线()2222:10,0x y C a b a b-=>>的右焦点为,F O 为坐标原点，以OF 为直径的圆与双曲线C 的一条渐近线交于点O 及点32A ⎛⎝⎭，则双曲线C 的方程为（） A ．2213y x -=B ．22126x y -=C ．2213x y -=D ．22162x y -=4．已知函数()sin(2)f x x ϕ=+，其中(0,)2πϕ∈，若,()6x R f x f π⎛⎫∀∈≤ ⎪⎝⎭恒成立，则函数()f x 的单调递增区间为（） A ．,()36k k k z ππππ⎡⎤-+∈⎢⎥⎣⎦B ．2,()33k k k z ππππ⎡⎤-+∈⎢⎥⎣⎦C ．2,()33k k k z ππππ⎡⎤++∈⎢⎥⎣⎦D ．2,()3k k k Z πππ⎡⎤+⎢⎥⎣∈⎦5．若()()()32z i a i a R =-+∈为纯虚数，则z ＝（） A ．163i B ．6i C ．203i D ．206．设O 为坐标原点，P 是以F 为焦点的抛物线24y x =上任意一点，M 是线段PF 上的点，且PM MF =，则直线OM 的斜率的最大值为（）A ．1B ．12C ．22D ．527．在正项等比数列{a n }中，a 5-a 1=15，a 4-a 2 =6，则a 3=（） A ．2B ．4C ．12D ．88．如图，在平面四边形ABCD 中，,,120,1,AB BC AD CD BAD AB AD ⊥⊥∠=== 若点E 为边CD 上的动点，则AE BE ⋅的最小值为（）A ．2116B ．32C ．2516D ．39．将4名大学生分配到3个乡镇去当村官，每个乡镇至少一名，则不同的分配方案种数是( ) A ．18种B ．36种C ．54种D ．72种10．赵爽是我国古代数学家、天文学家，大约公元222年，赵爽为《周髀算经》一书作序时，介绍了“勾股圆方图”，又称“赵爽弦图”（以弦为边长得到的正方形是由4个全等的直角三角形再加上中间的一个小正方形组成的，如图（1）），类比“赵爽弦图”，可类似地构造如图（2）所示的图形，它是由6个全等的三角形与中间的一个小正六边形组成的一个大正六边形，设A F F A 2'''=，若在大正六边形中随机取一点，则此点取自小正六边形的概率为（）A ．21313B ．413C 27D ．4711．已知平面α，β，直线l 满足l α⊂，则“l β⊥”是“αβ⊥”的（）A ．充分不必要条件B ．必要不充分条件C ．充要条件D ．即不充分也不必要条件12．在ABC ∆中，角,,A B C 的对边分别为,,a b c ，3C π=，若()6,m c a b =--，(),6n a b c =-+，且//m n ，则ABC ∆的面积为（） A ．3B ．932C ．332D ．33二、填空题：本题共4小题，每小题5分，共20分。

平板电视工厂模式进入方法

平板电视工厂模式进入方法（一）、CPT机芯机器型号：P46C6A-A1、P46C3A-A1、P46C6A-A1（双色）VA模组等。

遥控器：HTR-050进总线方法：用遥控器多次按menu键，选择最后一个图标(?)，按上下左右方向键，进入工厂模式。

（二）、CPT机芯机器型号：P46C6A-A1（双色）VC模组等。

遥控器：HTR- 158进总线方法：用遥控器按menu键，再用左右方向键选择最后一个图标(?)，在此页面下依次按9、4、4、3数字键，进入工厂模式。

（三）、OPLUS 201机芯机器型号：P42S6A-C1（增强型）、P42S6A-C1（豪华型）、P42SV6-C1等。

遥控器：HTR-068进总线方法：按POWER键,使PDP处于待机状态，按MUTE+7+4+1，按POWER开机可进入工厂模式（四）、OPLUS 203机芯机器型号：P42S6A-C1（双色）、P42A1-AK等。

遥控器：HTR-121、进总线方法：按POWER,使PDP处于待机状态，按MUTE+7+4+1，按POWER开机可进入工厂模式（五）、OPLUS 203机芯机器型号：L48A9-AK、L46A9-AK遥控器：HTR-688进总线方法：按POWER,使PDP处于待机状态，按MUTE+7+4+1，按POWER开机可进入工厂模式（六）、INDTEK机芯机器型号：P42SV6-C1（增强型）、P50V6-A8等。

遥控器：HTR-135进总线方法：使用本机遥控器“菜单”+“节目列表”+“静音”进入工厂调试项。

（七）、PW112机芯机器型号：L176A-G1、L15L6A-G0等。

遥控器：HTR-052进总线方法：撕开遥控器前面板，靠近“POWER”键的按键为工厂模式进入键。

（八）、PW1306机芯机器型号：L20AV6-A0、L20AV6-A0（时尚型）等。

遥控器：HTR-111进总线方法：撕开遥控器前面板，靠近“POWER”键的按键为工厂模式进入键。

L20AV6-A0整机调试说明

2.DVD输入活动画面无明显拖尾现象。
3.D-SUB输入计算机信号检查800×600/60Hz，显示正常。
六、基本功能检查：
静音，PC，回看,静止等各本机按键功能正常。
七、以上功能检查完毕，合格，将图象各选项置于50，声音置于10左右，内置扬声器，语言：中文，遥控关机。
八、按质量部要求检查外观无划痕，掉漆，污渍。
拟制
L20AV6-A0调试说明
审核
日期
签名
等级
标记
第1张
共2张
标准化
批准
格式（4）描图幅面：
三、同外设协同工作检查及图像声音检查：
1.接收TV猫头信号，查看图象的行场重显率是否符合工厂标准，并且无漏边现象。将声音达到最大，内置扬声器听觉上无明显失真。
2.接收TV彩条信号，彩色正常，交界处无失真。
3.转到AV状态，接收活动画面，图象正常，声音的左右平衡正常，再转到Y Pb/Cb Pr/Cr输入，图象和声音正常。
整机调试结束
旧底图总号
底图总号
W90SS-209---Q
日期
签名Biblioteka 更改标记数量更改单号
签名
日期
第2张
格式（4a）描图幅面：
L20AV6-A0整机调试说明
条件：以下操作在220V/50Hz电压，标准60dB的工厂信号下进行，除非特别指出电压和信号值。
一、低压和功率测试：
在合上后盖后，本机接通电源，分别在220V和90V开关机和切换信号观看，功能和图像正常。
然后用功率计读出220V时，待机功率≤3W;FULL WHITE信号，整机的消耗功率≤60W。
4.D-SUB，YPbPr分别输入64灰阶信号，检查各灰阶，除最高和最低的各3个灰阶，其余基本可以分开。

浙江省五校2025届高三下学期联合考试数学试题含解析

浙江省五校2025届高三下学期联合考试数学试题请考生注意：1．请用2B 铅笔将选择题答案涂填在答题纸相应位置上，请用0．5毫米及以上黑色字迹的钢笔或签字笔将主观题的答案写在答题纸相应的答题区内。

写在试题卷、草稿纸上均无效。

2．答题前，认真阅读答题纸上的《注意事项》，按规定答题。

一、选择题：本题共12小题，每小题5分，共60分。

在每小题给出的四个选项中，只有一项是符合题目要求的。

1．向量1,tan 3a α⎛⎫= ⎪⎝⎭，()cos ,1b α=，且//a b ，则cos 2πα⎛⎫+=⎪⎝⎭（） A ．13B ．223-C ．23-D ．13-2．若复数z 满足2(13)(1)i z i +=+，则||z =（）A ．54B ．55C ．102D ．1053．一个封闭的棱长为2的正方体容器，当水平放置时，如图，水面的高度正好为棱长的一半．若将该正方体绕下底面（底面与水平面平行）的某条棱任意旋转，则容器里水面的最大高度为（）A ．1B ．2C ．3D ．224．已知1111143579π≈-+-+-，如图是求π的近似值的一个程序框图，则图中空白框中应填入A ．121i n =-- B ．12i i =-+ C ．(1)21ni n -=+D ．(1)2ni i -=+5．设m ，n 是空间两条不同的直线，α，β是空间两个不同的平面，给出下列四个命题： ①若//m α，//n β，//αβ，则//m n ； ②若αβ⊥，m β⊥，m α⊄，则//m α； ③若m n ⊥，m α⊥，//αβ，则//n β； ④若αβ⊥，l αβ=，//m α，m l ⊥，则m β⊥.其中正确的是（）A ．①②B ．②③C ．②④D ．③④6．设a R ∈，0b >，则“32a b >”是“3log a b >”的 A ．充分而不必要条件 B ．必要而不充分条件 C ．充要条件 D ．既不充分也不必要条件7．在等差数列{}n a 中，25a =-，5679a a a ++=，若3n nb a =（n *∈N ），则数列{}n b 的最大值是（） A ．3- B ．13- C ．1D ．38．如果实数x y 、满足条件10{1010x y y x y -+≥+≥++≤，那么2x y -的最大值为（）A ．2B ．1C ．2-D ．3-9．已知ABC ∆的内角,,A B C 的对边分别是,,,a b c 且444222222a b c a b c a b+++=+，若c 为最大边，则a b c +的取值范围是（） A．1⎛ ⎝⎭B．(C．1⎛ ⎝⎦ D．10．水平放置的ABC ，用斜二测画法作出的直观图是如图所示的A B C '''，其中2,O A O B ''''==O C ''=ABC 绕AB 所在直线旋转一周后形成的几何体的表面积为（）A ．83πB ．163πC ．(833)π+D ．(16312)π+11．定义在R 上函数()f x 满足()()f x f x -=，且对任意的不相等的实数[)12,0,x x ∈+∞有()()12120f x f x x x -<-成立，若关于x 的不等式()()()2ln 3232ln 3f mx x f f mx x --≥--++在[]1,3x ∈上恒成立，则实数m 的取值范围是（） A ．1ln6,126e ⎡⎤+⎢⎥⎣⎦B ．1ln3,126e ⎡⎤+⎢⎥⎣⎦C ．1ln3,23e ⎡⎤+⎢⎥⎣⎦D ．1ln6,23e ⎡⎤+⎢⎥⎣⎦12．数列{}n a 满足()*212n n n a a a n +++=∈N ，且1239a a a ++=，48a =，则5a =（）A ．212B ．9C ．172D ．7二、填空题：本题共4小题，每小题5分，共20分。

步步高功放机AV 电路图

1
2
C211 562 3
C210 5624
5
10U/16V 6
TC222
7
8
9
TC208
10
11
12
10U/16V
13
14
TC211
TC200
N201
VDD AGND TREB_L TREB_R RIN ROUT LOUD_R RIN4 RIN3 RIN2 RIN1 LOUD_L LIN4 LIN3
28 27 26 25 24 LPFI 23 LPFO 22 21 20 19 18 17 16 15
P_SDA1 P_SCL1
RSM2323 P_SDA1
+9V
P_SCL1
R153 +9V1 33
-12V
R155 150/0.5W
C109 473
TC131 47u/16V
VD100 9.1V
VD101 6.8V
R109 3.3K R124 47K R125 47K R108 3.3K
X100 SCART
L' 1
R' 2 3
C' 4 SL' 5 SR' 6 SW' 7
8
9
10
11
R110 3.3K R111 3.3K R112 3.3K
R113 3.3K R114 3.3K R115 3.3K R129 4.7K
F
BBK
F
E
E
D
D
R310 75K C301 392
TC219
MIC
10U/16V
V203 2N5401
TC220 10U/16V

小学下册L卷英语第6单元自测题

小学下册英语第6单元自测题英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.The fish tank is _______ (clean).2.I enjoy playing ________ (乐器) in music class.3.What is the name of the famous American singer known for "Firework"?A. Katy PerryB. Taylor SwiftC. Ariana GrandeD. Demi LovatoA4.What do we call the natural phenomenon where water changes from liquid to gas?A. EvaporationB. CondensationC. FreezingD. Melting5.What is the fastest land animal?A. ElephantB. CheetahC. HorseD. Lion6. A non-metal is an element that lacks the characteristics of a _______.7.The signing of the Treaty of __________ ended World War I. (凡尔赛)8.The bat uses echolocation to find ______.9._____ (生态保护) is necessary for future generations.10.I enjoy making ______ (拼图) because it challenges my brain and helps me focus.11. A barracuda is a fast and fierce ______ (鱼).12.The _______ (狗) barks at strangers.13.The __________ is important for balancing ecosystems.14.What is the name of the famous scientist known for his work on the electromagnetic field?A. James Clerk MaxwellB. Michael FaradayC. Nikola TeslaD. Albert EinsteinA15.The capital of Slovakia is ________ (布拉迪斯拉发).16.The __________ (历史的时空交错) illustrate connections.17.What season comes after spring?A. WinterB. SummerC. FallD. SpringB18.The landmark called the Eiffel Tower is found in ________ (被称为埃菲尔铁塔的地标位于________).19.What is the capital of Bangladesh?A. DhakaB. ChittagongC. SylhetD. KhulnaA20. A ____ is known for its ability to change colors to blend in.21.How many hours are there in a day?A. 12B. 24C. 36D. 4822. A __________ (植物的繁殖方式) can vary greatly.23.In geography, __________ refers to the study of maps and locations. (制图)24.I eat ________ for breakfast every morning.25.I like to ______ (参与) in cultural celebrations.26.I like to watch ___. (movies)27.What is the name of the popular video game console produced by Nintendo?A. XboxB. PlayStationC. SwitchD. SegaC28.Acids turn blue litmus paper _______.29.The __________ (历史遗址) allow us to connect with the past.30.My pet ______ (狗) loves to go for walks with me.31.The __________ (历史的见证) offers insight into human behavior.32.The turtle moves very ______ (慢) on the ground.33.Mercury has extreme ______ variations.34.Creating a vibrant garden can enhance your home's overall ______. (创造一个生机勃勃的花园可以提升你家的整体美感。

小学下册L卷英语第1单元寒假试卷

小学下册英语第1单元寒假试卷英语试题一、综合题(本题有100小题，每小题1分，共100分.每小题不选、错误，均不给分)1.We play ______ (tennis) during gym class.2.The ______ (雌雄异株) plants have separate male and female forms.3.The __________ helps to protect the brain.4.My favorite type of ________ (运动) is tennis.5.The __________ (历史的生动描绘) brings the past to life.6. A __________ is an area where two tectonic plates meet.7.为下列句子选择正确的答语。

8.What is the primary language spoken in Brazil?A. SpanishB. EnglishC. PortugueseD. FrenchC9.I love learning about different sciences, especially __________.10.Have you ever seen a _______ (小老鼠) eat cheese?11.My grandma is a wonderful __________ (支持者).12.My pet fish swims in ______ (圈) in the aquarium.13.The ______ is known for its colorful feathers.14.The weather is ________ today.15.The children are ___ (playing) in the park.16. A ______ is a plant that can grow in very steep areas.17.The ancient Mesopotamians are known for their _____.18.Which animal is known for its ability to build nests?A. DogB. BirdC. FishD. CatB19.I have a _______ (计划) for the weekend.20.The flowers are _______ (在争奇斗艳).21. A _______ is a mixture that looks like a single substance but contains multiple components.22.What do we call a person who studies insects?A. EntomologistB. BiologistC. ZoologistD. Ecologist23.I have a toy ________ (玩具名称) that can balance.24.My uncle is a __________. (科学家)25.The ancient Chinese invented _______ paper.26.What do we call a story about someone's life?A. BiographyB. FictionC. NovelD. Article27.How many days are in a week?A. FiveB. SixC. SevenD. EightC28.What is the capital of Brazil?A. Rio de JaneiroB. São PauloC. BrasíliaD. SalvadorC29.What do you call a person who writes music?A. ComposerB. MusicianC. LyricistD. All of the aboveD30.What is the name of the famous clock in London?A. Big BenB. Clock TowerC. WestminsterD. London EyeA31. A ______ is a natural feature that can provide shelter and habitat.32.What do we call the process of restoring damaged ecosystems?A. Ecological restorationB. RehabilitationC. ConservationD. PreservationA33.We have ______ (science) class after lunch.34.The ________ (生态恢复计划) aims to revive habitats.35.The ________ was a prominent figure in the historical struggle for equity.36.The sun sets in the _______ (west).37.We should _______ (保持) our environment safe.38.The _____ (玩具城堡) is huge.39.The ______ teaches us about different countries.40.What do we call a person who guides tourists?A. Tour GuideB. Travel AgentC. ConciergeD. Host41.The first successful heart surgery was performed by _______. (克里斯托弗·里德)42.My sister has a collection of ____ (dolls) from around the world.43.I want to _____ (go/stay) at home.44.The _____ (forest/park) is quiet.45.How many colors are there in a rainbow?A. 5B. 6C. 7D. 8C46.What is the name of the largest ocean on Earth?A. Atlantic OceanB. Indian OceanC. Arctic OceanD. Pacific OceanD Pacific Ocean47.What is the main language spoken in the United States?A. SpanishB. FrenchC. ChineseD. EnglishD48.What is the capital of Spain?A. BarcelonaB. MadridC. ValenciaD. Seville49.My favorite color is _____ (red/black).50.My dad tells me to call him ______ when we are at home. (我爸爸告诉我在家时叫他。