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看门狗 c语言程序代码
如题 看门狗 c语言程序代码 有要的请下载~
- 2020-12-01下载
- 积分：1
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EASE4.0 声场模拟软件
EASE4.0 声场模拟软件
- 2020-11-28下载
- 积分：1
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matlab中关于三维重建的源代码，《计算机视觉中的多视图几何》匹配源代码
《计算机视觉中的多视图几何》匹配源代码,matlab中关于三维重建的源代码
- 2020-12-05下载
- 积分：1
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mnist_uint8.mat用于MATLAB实现CNN网络的手写识别
mnist_uint8.mat用于MATLAB实现CNN网络的手写识别，可以直接读取
- 2020-12-09下载
- 积分：1
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英飞凌IGBT驱动培训资料
在电力电子装置中的一个重要组成部分,输入连接到控制电路的PWM信号输出端，输出连接到装置各IGBT的门极和发射极，将装置中的控制电路产生的数字PWM信号进行隔离传输和电平转换和功率放大,实现控制电路对IGBT进行开通和关断动作的控制，从而实现装置的功率变换功能。InfineontechnologiesIGBT Gate Drive: Power Suppliesa Gate driving voltage for IGBT+15Vturn-on is normally +15VDriver>□1a Gate driving voltage for IGBTOVturn-off can be oV or negativeWith Single Power Supply5V to-15V)a Negative gate driving voltage+15Vhelps IGBt switch off fasterremain in off state but itDriverneeds dual power suppliesOVWhether to use oV or negativegate driving voltage depends15VWith Dual Power Supplieson the requirement on costZH Liang - Al APperformance05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: InterfaceOpto-couplers is commonly used as interfacingdevices for applications where both signaltransmission and potential isolation are requiredOpto-couplers offers reliable isolation between IGBT(high-potential)& micro-controller(low-potential)Opto-couplers has long signal delay(us)and isexpensiveIsolation +VDpCCMicroDrivercontrollerZH Liang - Al AP05Dec2003Page 6for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveStandard configuration: 2 drivers, 2 power supplies, 2 opto-couplersAdvantages: standard, reliableDisadvantages: using opto-couplers, higher system costIsolation +VDDlCC1DriverCC1MicrocontrollerDD2+VCC2DriverCC2ZH Liang - Al AP05Dec2003Page 7for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Half-bridge DriveIn half-bridge IGBT drive, opto-couplers offer two functions(1)safety isolation &(2) shifting the potential of the gatesignal from uc potential to high-side potentialIf safety isolation between IGBT& micro-controller is notneeded, then"Level Shift" can replace opto-coupling andrealize function(2)OptoHigh-sideHigh-sidecouplerDriverIGBTMicro-Opto-LoW-sideLow-sidecontrollercouplerDriverIGBTZH Liang - Al AP05Dec2003Page 8for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive Level shiftI FeaturesHVc(600V/1200V)沿PULSERFILTERShort Signal DelayPULSE■Cost- effectiveGEN■ No Safety Isolationevel Shift Half-bridge DriverI BenefitHigh-side““°IGBTO Saving Opto-couplersLevel(lower system costShiftMicro● Wider range ofcontrollerLevelLow-side■■■■■直■口m留■Switching FrequencyShiftIGBT(higher flexibility)ZH Liang - Al AP05Dec2003Page 9for internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: CLTNEWO CLT-Coreless Transformer (for signal transmissionu Coils(Primary Secondary Side)realized on SiliconO Short Signal Delay (allowing high or low switching frequencyu Lower Cost(compared to 1200V level-shift driver日 Safety IsolationCLT Half-bridge DriverHigh-sideCLT Single DriverIGBTCLTMicro-controllerCLTIGBTMicro-controllerLoW-sideIGBTZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strapBoot-strap circuit includes only a diode and a capacitora In half-bridge drive, the boot-strap circuit can replace the high-sidepower supply and make single-supply operation possibleWhen the low-side IGBT (or FWD)is on, the diode is forwardbiased and the capacitor is charged by the low-side power supplyvia the low-side IGBT and stores the energyWhen the low-side IGBt(and FWD)is OFF, the diode is reversebiased and blocks the dc-bus voltage to protect the low-sidecircuit. Meanwhile, the capacitor supplies energy to the high-sidedriverThe boot-strap capacitance should be high enough to keep thesupply voltage stable Capacitance needed can be calculatedbased on the working conditions and device parametersZH Liang - Al AP05Dec2003agefor internal use onlyInfineon Technologies Asia PacificInfineontechnologiesIGBT Gate Drive: Boot-strap circuitConventional2心菲*|■3 high-side power supplies■1|oW- side power supplyUsing boot-strap circuit心体心心●3 diodes& capacitorso 1 low-side power supplyFeaturesa Diode: ultra-fast recoverya Capacitor: general-purposed ITAa Dependent on low-side IGBTBenefitsSaving 3 PS(transformer cost)22ZH Liang - Al AP05Dec2003Reducing wiring connectionPage 12for internal use onlyInfineon Technologies Asia Pacific
- 2020-12-11下载
- 积分：1
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遗传算法优化的BP神经网络 - MATLAB源码详细注释.rar
接我的上一条笔记：《BP神经网络学习--MATLAB源码详细注释》，今天已经把遗传算法加进去优化，并且运行成功，效果很不错，代码也是从网上找来的，但是我查了很多资料，写了很多注释，我是小白~
- 2020-12-02下载
- 积分：1
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simulink有源电力滤波器模型.mdl
【实例简介】有源电力滤波器simulink仿真模型，适合学习练习使用，初学者必备
- 2021-11-21 00:52:31下载
- 积分：1
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C# 与上位机松下plc通信的列子。
C# 与上位机松下plc通信的列子。 用于手机屏幕异物检测。
- 2020-11-28下载
- 积分：1
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si4463完整DEMO板原理图、PCB图、DEMO程序.zip
【实例简介】SILABS新推出EZradioPRO系列RFIC:SI4463完整DEMO板的开发包下载.
里面压缩了4个文件。PCB图、原理图、DEMO代码。
PCB图、原理图、DEMO程序 ,适合长远距离的无线数据传输应用.其发射功率+20dbm,接收灵敏度-116dbm,通讯距离2000米.
SI4463-B1-FMR特点
频率范围= 119–1050 MHz
接收灵敏度 = –126 dBm
调频模式
(G)FSK and 4(G)FSK
OOK and ASK
最大输出功率
+20 dBm (Si4464/63)
+16 dBm (Si4461)
+13 dBm (Si4460)
PA支持 +27 dBm
低功耗
10/13 mA RX
19 mA TX at +10 dBm (Si4460)
待机模式
30 nA shutdown, 50 nA standby
波特率= 0.123 kbps to 1Mbps
快速唤醒转换时间
支持电压= 1.8 to 3.6 V
Excellent selectivity performance
60 dB adjacent channel
> 73 dB blocking at 1 MHz
天线多样性和T / R开关控制
高度可配置的包处理程序
TX and RX 64 byte FIFOs
自动频选(AFC)
自动增益控制 (AGC)
低成本
Low Battery Detector
温度传感器
20-pin QFN 封装
IEEE 802.15.4g compliant
- 2021-12-02 00:38:22下载
- 积分：1
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STM32L152数据手册_中文.pdf
stm32中文手册，开发初学者必备，内容是中文，不用逐句翻译，非常非常的好用
- 2021-05-06下载
- 积分：1
