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  • EDGE+for+Mobile+Internet

    The General Packet Radio Service (GPRS) allows an end user to send and receive data in packet transfer mode within a public land mobile network (PLMN) without using a permanent connection between the mobile station (MS) and the external network during data transfer. This way, GPRS opti- mizes the us ...

    /dl/521889.html

    标签: Mobile EDGE

    上传时间: 2020-05-27

    上传用户:shancjb

  • FPGA读写SD卡读取BMP图片通过LCD显示例程实验 Verilog逻辑源码Quartus工程文件

    FPGA读写SD卡读取BMP图片通过LCD显示例程实验 Verilog逻辑源码Quartus工程文件+文档说明,FPGA型号Cyclone4E系列中的EP4CE6F17C8,Quartus版本17.1。1 实验简介在前面的实验中我们练习了 SD 卡读写,VGA 视频显示等例程,本实验将 SD 卡里的 BMP 图片读出,写入到外部存储器,再通过 VGA、LCD 等显示。本实验如果通过液晶屏 ...

    /dl/744758.html

    标签: fpga

    上传时间: 2021-10-27

    上传用户:ibeikeleilei

  • XR2981

    2.7V to 5.5V input voltage Range Efficiency up to 96%  24V Boost converter with 12A switch current Limit 600KHz fixed Switching Frequency Integrated soft-start Thermal Shutdown Under voltage Lockout Support external LDO auxiliary power supply 8-Pin SOP-PP PackageAPPLICATIONSPorta ...

    /dl/745238.html

    标签: XR2981

    上传时间: 2021-11-05

    上传用户:13692533910

  • 基于FPGA设计的sdram读写测试实验Verilog逻辑源码Quartus工程文件+文档说明 DR

    基于FPGA设计的sdram读写测试实验Verilog逻辑源码Quartus工程文件+文档说明,DRAM选用海力士公司的 HY57V2562 型号,容量为的 256Mbit,采用了 54 引脚的TSOP 封装, 数据宽度都为 16 位, 工作电压为 3.3V,并丏采用同步接口方式所有的信号都是时钟信号。FPGA型号Cyclone4E系列中的EP4CE6F17C8,Quartus版本17.1。timescale 1ps ...

    /dl/747450.html

    标签: fpga sdram verilog quartus

    上传时间: 2021-12-18

    上传用户:lostxc

  • 高通(Qualcomm)蓝牙芯片QCC5151_硬件设计详细指导书(官方内部培训手册)

    高通(Qualcomm)蓝牙芯片QCC5151_硬件设计详细指导书(官方内部培训手册)共52页其内容是针对硬件设计、部分重要元器件选择(ESD,Filter)及走线注意事项的详细说明。2 Power management 2.1 SMPS 2.1.1 Components specification 2.1.2 Input power supply selection 2.1.3 Minimize SMPS EMI emission ...

    /dl/828663.html

    标签: qualcomm 蓝牙芯片 qcc5151

    上传时间: 2022-01-24

    上传用户:XuVshu

  • PW5410B_2.0.pdf规格书下载

    The PW5410B is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 1.8V to 5V input with up to 100mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410B i ...

    /dl/829488.html

    标签: pw5410

    上传时间: 2022-02-11

    上传用户:wangshoupeng199

  • PW5410A_2.0.pdf规格书下载

    The PW5410A is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 2.7V to 5V input with up to 250mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410A i ...

    /dl/829489.html

    标签: pw5410

    上传时间: 2022-02-11

    上传用户:nicholas28

  • PW5300_2.0.pdf规格书下载

    The PW5300 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.2Ω powerMOSFET make this regulator highly power efficient. The internal compensation network alsominimizes as much as 6 external component counts. The non-inverting input of error amplifierconnects to a 0.6V preci ...

    /dl/829490.html

    标签: pw5300

    上传时间: 2022-02-11

    上传用户:jiabin

  • PW4556_2.0.pdf规格书下载

    The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targetedat small capacity battery for portable applications. It is a complete constant-current/ constantvoltage linear charger. No external sense resistor is needed, and no blocking diode is required dueto the inter ...

    /dl/829493.html

    标签: pw4556

    上传时间: 2022-02-11

    上传用户:1208020161

  • PW4055_2.0.pdf规格书下载

    The PW4055 is a complete constant-current /constant-voltage linear charger for single cell lithiumion batteries.Its ThinSOT package and low external component count make the PW4055 ideallysuited for portable applications.Furthermore, the PW4055 is specifically designed to work within USBpower specif ...

    /dl/829498.html

    标签: pw4055

    上传时间: 2022-02-11

    上传用户:jason_vip1