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技术资料 PLC多种液体自动混合
采用的PLC是西门子S7-200系列，仿真编程软件为STEP7-Micro。在初始状态，容器是空的，各阀门皆关闭，Y1、Y2、Y3灯皆暗和M搅拌机均为OFF，液面传感器L1、L2、L3为关，加热器H为关。若要启动操作，按下启动按钮(I0.0)，开始下列操作： （1）Y1、Y2为ON，液体A和B同时注入容器，当液面达到L2时，L2为ON，使Y1、Y2为OFF，Y ...
技术资料 DDR4标准 JESD79_4
1. Scope ......................................................................................................................................................................... 12. DDR4 SDRAM Package Pinout and Addressing ............................................................................ ...
技术资料 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 ...
技术资料 PW2601_2.0.pdf规格书下载
The PW2601 is a charger front-end integrated circuit designed to provide protection to Li-ionbatteries from failures of charging circuitry. The device monitors the input voltage, battery voltageand the charging current to make sure all three parameters are operated in normal range. Thedevice will sw ...
技术资料 PW2312_2.0.pdf规格书下载
The PW2312 is a high frequency, synchronous, rectified, step-down, switch-mode converter withinternal power MOSFETs. It offers a very compact solution to achieve a 1.5A peak output currentover a wide input supply range, with excellent load and line regulation.The PW2312 requires a minimal number of ...
技术资料 PW2163D.pdf规格书下载
The PW2163D is a high frequency, synchronous, rectified, step-down, switch-mode converter withinternal powerMOSFETs. It offers a very compact solution to provide a 3A continuous current over awide input supply range,with excellent load and line regulation.The PW2163D requires a minimal number of rea ...
技术资料 ST7789V IC规格书
Single chip TFT-LCD Controller/Driver with On-chip Frame Memory (FM) Display Resolution: 240*RGB (H) *320(V) Frame Memory Size: 240 x 320 x 18-bit = 1,382,400 bits LCD Driver Output Circuits- Source Outputs: 240 RGB Channels- Gate Outputs: 320 Channels- Common Electrode Output Display Colors (Color ...
技术资料 使用PCB设计天线 对于2.4G天线设计详细描述
v> 目前最常见的蓝牙天线有偶极天线（dipole antenna）,倒 F 型天线（planar inverted F  anternna）、曲流线型天线（meander line antenna）、微小型陶瓷天线（ceramic antenna）、液晶 聚合体天线（lcp）和棒状天线（2.4G 频率专用）等。由于这些具有近似全向性的辐射场型 以及结构简单、制作成本低的优点，所以非常 ...
技术资料 ADC模数转换器件Altium Designer AD原理图库元件库
ADC模数转换器件Altium Designer AD原理图库元件库SV text has been written to file : 4.4 - ADC模数转换器件.csvLibrary Component Count : 29Name                Description---------------------------------------------------------------------------------------------- ...