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clamp

  • calculation of deflection in a clamp clamp beam

    calculation of deflection in a clamp clamp beam

    标签: clamp calculation deflection beam

    上传时间: 2017-07-24

    上传用户:ynsnjs

  • 二极管导通开关稳压器引发的故障时间

      Most circuit designers are familiar with diode dynamiccharacteristics such as charge storage, voltage dependentcapacitance and reverse recovery time. Less commonlyacknowledged and manufacturer specifi ed is diode forwardturn-on time. This parameter describes the timerequired for a diode to turn on and clamp at its forwardvoltage drop. Historically, this extremely short time, unitsof nanoseconds, has been so small that user and vendoralike have essentially ignored it. It is rarely discussed andalmost never specifi ed. Recently, switching regulator clockrate and transition time have become faster, making diodeturn-on time a critical issue. Increased clock rates aremandated to achieve smaller magnetics size; decreasedtransition times somewhat aid overall effi ciency but areprincipally needed to minimize IC heat rise. At clock speedsbeyond about 1MHz, transition time losses are the primarysource of die heating.

    标签: 二极管 导通 开关稳压器

    上传时间: 2013-10-10

    上传用户:谁偷了我的麦兜

  • DN460双输出降压稳压器优化效率

      The LTC3546 is a dual output current mode buck regulatorwith fl exible output current partitioning. Beyondthe advantages normally associated with dual outputregulators (reduced size, cost, EMI and part count, withimproved effi ciency), the LTC3546’s outputs can bepartitioned for either 3A and 1A outputs, or two 2A outputs.This increases its application range and simplifi esmultiple supply rail designs. A confi gurable Burst Mode®clamp for each output sets the current transition levelbetween Burst Mode operation and forced continuousconduction mode to optimize effi ciency over the entireoutput range. An adjustable switching frequency up to4MHz and internal power MOSFET switches allow forsmall and compact footprints.

    标签: 460 DN 输出 优化效率

    上传时间: 2013-11-04

    上传用户:yxgi5

  • 基于ADuC841的膜片钳放大器系统设计

    为降低成本和解决现有膜片钳放大器系统中PC机的干扰问题,研究了一种基于单片机的膜片钳放大器小系统。该系统采用ADI公司生产的ADuC841作为控制核心,并且配置相应的液晶显示模块LCM3202401。模拟电路部分采用高输入阻抗的AD8627实现微电流信号的采集,并由后级电路进行信号的放大和电阻电容的补偿。它具有硬件电路简单、体积小、使用方便的特点。既可以单独作为小系统实现采集和显示,也可以通过红外方式和PC机进行通讯,在PC机上进行信号的处理。 Abstract:  In order to reduce cost and resolve the interferential problem with PC in existing patch clamp amplifiers, a small patch clamp amplifier system design based on microcontroller is studied. It adopts a new high performance microconverter ADuC841 by the ADI as the control core in the system, configuring a liquid crystal module LCM3202401. In the analog circuit, AD8627 with high input impedance is used to detect the low current,signal magnification, as well as resistance and capacitance compensation are accomplished by subsequent circuits. It has the advantage of simple hardware circuit design, small volume and convenient operation. It can either be used as an independent system to measure and show signal detected or transmit to PC by infrared ray.

    标签: ADuC 841 膜片钳 放大器

    上传时间: 2013-11-06

    上传用户:yy_cn

  • The TW2835 has four high quality NTSC/PAL video decoders, dual color display controllers and dual v

    The TW2835 has four high quality NTSC/PAL video decoders, dual color display controllers and dual video encoders. The TW2835 contains four built-in analog anti-aliasing filters, four 10bit Analog-to-Digital converters, and proprietary digital gain/clamp controller, high quality Y/C separator to reduce cross-noise and high performance free scaler. Four built-in motion,

    标签: dual controllers decoders display

    上传时间: 2017-03-20

    上传用户:来茴

  • 这是I2c网关Id独立烧写程序

    这是I2c网关Id独立烧写程序, 烧写的ID必须要求是:“0~9”、“a~z”、“A~Z”的16为字符才能烧写成功。 其中当是输入的小写字母时,自动转换为大些烧入。 如: 1) # ./burnID 0123456789abcdef 烧入的是:0123456789ABCDEF 2] # ./burnID 0123456789@ cdef 烧入不成功,因为有其他字符 3) # ./burnID 0123456789abcdefDfs 烧入也不成,因为超过16个字符 built-in analog anti-aliasing filters, four 10bit Analog-to-Digital converters, and proprietary digital gain/clamp controller, high quality Y/C separator to reduce cross-noise and high performance free scaler. Four built-in motion,

    标签: I2c 网关 独立 烧写程序

    上传时间: 2017-03-20

    上传用户:playboys0

  • GimTools

    PSP的GIM文件导出工具 gimtools

    标签: GimTools

    上传时间: 2021-09-04

    上传用户:qbkira