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技术资料 直流电动机测速装置
本系统采用电动机电枢供电回路串接采样电阻的方式来实现对小型直流有刷电动机的转速测量。该系统主要由二阶低通滤波电路,小信号放大电路、单片机测量显示电路、开关稳压电源电路等组成。同时自制电机测速装置,用高频磁环作为载体,用线圈绕制磁环,利用电磁感应原理检测电机运行时的漏磁,将变化的磁场信号转化为磁环上的感应 ...
模拟电子 利用数字电位器调整并校准升压型DC-DC转换器
The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment of the output voltage.The example circuit uses a MAX5025 step-up DC-DC converter (capable of generating up ...
ARM LPC315x系列ARM微控制器用户手册
The NXP LPC315x combine an 180 MHz ARM926EJ-S CPU core, High-speed USB 2.0OTG, 192 KB SRAM, NAND flash controller, flexible external bus interface, an integratedaudio codec, Li-ion charger, Real-Time Clock (RTC), and a myriad of serial and parallelinterfaces in a single chip targeted at consumer, in ...
测试测量 低噪声电压基准的噪声测量
 
Frequently, voltage reference stability and noise defi nemeasurement limits in instrumentation systems. In particular,reference noise often sets stable resolution limits.Reference voltages have decreased with the continuingdrop in system power supply voltages, making referencenoise increa ...
其他 Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface The LTC2453 is an
Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface
The LTC2453 is an ultra-tiny, fully differential, 16-bit, analog-to-digital converter. The LTC2453 uses a single 2.7V to 5.5V supply and communicates through an I2C interface. The ADC is available in an 8-pin, 3mm x 2m ...
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 基于机器视觉的可移动太阳能水上垃圾收集器的设计
基于机器视觉的可移动太阳能水上垃圾收集器主要针对于城市内河道和公园人工湖泊等静水区域的水面漂浮垃圾的收集工作,体积小、不需人工手动操作、可以自动追寻并收集垃圾。此外还采用太阳能供电、电瓶储存电能,以实现环保节能的特性。The movable solar water garbage collector based on machine vision is mainly aimed at ...
技术资料 基于PIC单片机的随钻声波测井仪电源管理设计
为了保证随钻声波测井仪在井下长时间高效率工作,需要对电源管理板进行高效管理;根据随钻声波测井仪电子系统的供电特点设计了电源管理控制电路,低功耗微处理器PIC单片机根据随钻测量系统的指令对电源电路开关阵列进行控制,通过CAN-UART对主控板进行工作参数下发,利用实时钟电路提供的时间信息完成对井深和井下存储数据的映射 ...
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 台湾华邦W25Q128FVSIG闪存芯片datasheet（英文版）
品牌：Winbond型号：W25Q128FVSIG功能：flash存储器内存：128M-bitThe W25Q128FV (128M-bit) Serial Flash memory provides a storage solution for systems with limitedspace, pins and power. The 25Q series offers flexibility and performance well beyond ordinary SerialFlash devices. They are ideal for code sh ...