Polarity
共 13 篇文章
Polarity 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 13 篇文章，持续更新中。
Dual Polarity Antennas
Mobile Mark's dual polarity antennas round out our<BR>offering for UHF RFID and ISM applications. Du
BERS集成电路（提高效率整流系统）反向恢复运行
The NIS6111 is a hybrid diode containing a power MOSFET, polarity comparator and internal bias circu
基于单片机温度采集与报警系统的研究
<p>利用DS18B20设计一种多路温度数据采集和直流电机散热系统,可实现语音播报功能。系统主要由单片机电路和一组DS18B20数字传感器构成,同时具有温度显示、数据存储和串行通信模块。通过keil软件编写和调试程序,并利用Proteus仿真测试硬件电路,测温范围-10~+45℃,最后通过LCD1602显示所测温度。将制作实物与温度计置于相同设定温度的场所,研究数据发现单片机温度采集系统更精确。当
IN4007整流二极管
<p>EATURE Low forward voltage High current capabilit Low leakage current High surge capability Low cost MECHANICAL DATA Case: Molded plastic use UL 94V-0 recognized Flame retardant epoxy Terminals: Ax
具有过流和过压关断功能的汽车类电池反向保护参考设计
The PMP9498 Reference Design is a complete automotive input protection solution which features zeroIq reverse polarity protection, load switch capability, over-voltage protection, and over-current pro
Enhanced version of the Serial Peripheral Interface available on Motorola s MC68HC11 family of CPUs.
Enhanced version of the Serial Peripheral Interface available on Motorola s MC68HC11 family of CPUs.Enhancements include a wider supported operating frequency range, 4deep read and write fifos, and pr
8-bit I2C-bus and SMBus IO port with reset
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The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for<br />
SMBus and I2C-bus applications. The PCA9557 consists of an 8-bit input port register,<br />
8-bit
相敏检波电路鉴相特性的仿真研究
<P>分析了调幅信号和载波信号之间的相位差与调制信号的极性的对应关系,得出了相敏检波电路输出电压的极性与调制信号的极性有对应关系的结论。为了验证相敏检波电路的这一特性,给出3 个电路方案,分别选用理想元件和实际元件,采用Multisim 对其进行仿真实验,直观形象地演示了相敏检波电路的鉴相特性,是传统的实际操作实验所不可比拟的。<BR>关键词:相敏检波;鉴相特性;Multisim;电路仿真</P>
DN436微型全桥压电马达驱动器
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Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso requir
PCA9555 16bit I2C-bus and SMBu
<P>The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel<BR>Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to<BR>enhance the NXP Semicon
基于89C52的二极管特性测试器的设计
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利用单片机具有的智能程序控制的特点，设计了基于STC89C52单片机的"二极管特性测试器"，可对二极管一般特性进行快速测试。通过稳定线性电流源给二极管加载恒定电流，然后由高精度模数转换器测试其压降，以此为基础可判断二极管好坏、检测二极管极性和测试二极管伏安特性等，避免了用万用表测试只能测得极性而不知其特性这一缺点。可用于电子设计制作过程中对二极管进行快速测试，以确
8-bit IC and SMBus IO Port wit
The CAT9534 is an 8-bit parallel input/output portexpander for I²C and SMBus compatible applications.These I/O expanders provide a simple solution inapplications where additional I/Os are needed:
降压升压型控制器简化手持式产品的DC/DC转换器设计
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A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-