Impedance Spectroscopy
资源简介:Impedance Spectroscopy
上传时间: 2013-12-25
上传用户:zsjinju
资源简介:the geometry of a diffraction grating, a common illustration in textbooks of optics, Spectroscopy, and analytical chemistry. Sliders on the figures allow real-time interactive control of the incidence angle, grating ruling density (lines...
上传时间: 2016-06-04
上传用户:极客
资源简介:Differential Impedance introduction
上传时间: 2014-01-09
上传用户:kbnswdifs
资源简介:The aqsesGUI software is a software package for processing Magnetic Resonance Spectroscopy signals. The software contains methods to load, preprocess and process MRS data.
上传时间: 2016-09-20
上传用户:lanwei
资源简介:LAMOST(Large Sky Area Multi-Obiect Fiber Spectroscopy Telescope,大天区面积多目标光纤光谱天文望远镜)需要对焦而上的4 000个光纤定位单元进行精确定位,一个光纤定位单元需要两个步进电机来驱动,即需要对8 000个电机进行驱动控制。如何对这8 000个电机...
上传时间: 2013-04-24
上传用户:afeiafei309
资源简介:一般在选用共模电感的时候重点注意以下几个参数: 1) Impedance 表示器件在100MHz 时最大的阻抗值。一般在应用共模电感时候, 都是以此值作为选用的重点参考。 2) Rated Current 表示器件应用时候的最大额定电流。在选用的时候,这个参 数作为此重点,电...
上传时间: 2013-07-30
上传用户:er1219
资源简介: High input Impedance and a wide input range are twohighly desirable features in a precision analog-to-digitalconverter, and the LTC®2449 delta-sigma ADC has both.With just a few external components, the LTC2449 formsan exceptional mea...
上传时间: 2013-11-02
上传用户:ywcftc277
资源简介: A fully differential amplifi er is often used to converta single-ended signal to a differential signal, a designwhich requires three signifi cant considerations: theImpedance of the single-ended source must match thesingle-ended Impeda...
上传时间: 2013-11-09
上传用户:wweqas
资源简介:Radio Frequency Integrated Circuit Design I enjoyed reading this book for a number of reasons. One reason is that itaddresses high-speed analog design in the context of microwave issues. This isan advanced-level book, which should follow co...
上传时间: 2014-12-23
上传用户:han_zh
资源简介:Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of Impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface...
上传时间: 2014-12-24
上传用户:DE2542
资源简介:阻抗匹配 阻抗匹配(Impedance matching)是微波电子学里的一部分,主要用于传输线上,来达至所有高频的微波信号皆能传至负载点的目的,不会有信号反射回来源点,从而提升能源效益。 大体上,阻抗匹配有两种,一种是透过改变阻抗力(lumped-circuit matc...
上传时间: 2013-11-13
上传用户:ddddddos
资源简介:Abstract: Impedance mismatches in a radio-frequency (RF) electrical transmission line cause power loss andreflected energy. Voltage standing wave ratio (VSWR) is a way to measure transmission line imperfections. Thistutorial defines VSWR an...
上传时间: 2013-10-19
上传用户:yuanwenjiao
资源简介:1 为什么要重视电源噪声问题? 2 电源系统噪声余量分析 3 电源噪声是如何产生的? 4 电容退耦的两种解释 4.1 从储能的角度来说明电容退耦原理。 4.2 从阻抗的角度来理解退耦原理。 5 实际电容的特性 6 电容的安装谐振频率 7 局部去耦设计方法 8 电源系统的角...
上传时间: 2013-11-06
上传用户:mahone
资源简介:在医用电阻抗层析成像(Electrical Impedance Tomography)系统中电压控制电流源的性能十分重要,大部分报道的电压控电流源电路在低频时有较高的输出阻抗但是在高频时性能大幅减弱。通过分析生物阻抗测量系统对电压控制电流源的需求,同时回顾一些已有的电压...
上传时间: 2013-11-05
上传用户:heart_2007
资源简介: 设计了一种基于PIC16C71单片机的数字水温配制阀。该配制阀采用NTC热敏电阻作温度传感器,与固定电阻组成简单分压电路作为水温测量电路,利用PIC16C71单片机内置的8位A/D转换器把热敏电阻上的模拟电压转换为数字量,PIC16C71单片机控制直流电机驱动混水阀...
上传时间: 2013-11-08
上传用户:Yue Zhong
资源简介: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...
上传时间: 2013-11-06
上传用户:yy_cn
资源简介:The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus s...
上传时间: 2013-12-25
上传用户:wsf950131
资源简介:The PCA9519 is a 4-channel level translating I2C-bus/SMBus repeater that enables theprocessor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O.While retaining all the operating modes and features of the I2C-bus ...
上传时间: 2013-11-19
上传用户:jisiwole
资源简介:The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or com...
上传时间: 2014-11-22
上传用户:xcy122677
资源简介:The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C-bus applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C-bus/SMBus interface. It ...
上传时间: 2014-01-18
上传用户:bs2005
资源简介:The outputs of the PCA9518 are immediately available as soon as there is a voltage present on thesupply >~1V and behave as described above. The power-on reset of the PCA9518A keeps the outputsturned off during power-up and maintains the hig...
上传时间: 2013-10-26
上传用户:13817753084
资源简介:Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of Impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface...
上传时间: 2013-10-18
上传用户:masochism
资源简介:阻抗匹配 阻抗匹配(Impedance matching)是微波电子学里的一部分,主要用于传输线上,来达至所有高频的微波信号皆能传至负载点的目的,不会有信号反射回来源点,从而提升能源效益。 大体上,阻抗匹配有两种,一种是透过改变阻抗力(lumped-circuit matc...
上传时间: 2013-10-20
上传用户:ZOULIN58
资源简介:Origin 拟合曲线教程 Contents 1. ORIGIN BASIC FUNCTIONS 2. CHROMATOGRAPHY FUNCTIONS 3. EXPONENTIAL FUNCTIONS 4. GROWTH/SIGMOIDAL 5. HYPERBOLA FUNCTIONS 6. LOGARITHM FUNCTIONS 7. PEAK FUNCTIONS93 8. PHARMACOLOGY FUNCTIONS 9. POWE...
上传时间: 2016-12-15
上传用户:qazxsw
资源简介:These are P-Channel enhancement mode silicon gate power fi eld effect transistors. They are advanced power MOSFETs designed, tested, and guaranteed to withstand a specifi ed level of energy in the breakdown avalanche mode of o...
上传时间: 2017-02-17
上传用户:aeiouetla
资源简介:Feeding antennas with proper signals can be difficult. The signal is often described as a voltage, and voltages are not well defined in electromagnetic wave formulations. There are several tricks to model voltage generators in such situatio...
上传时间: 2013-12-25
上传用户:yulg
资源简介:Feeding antennas with proper signals can be difficult. The signal is often described as a voltage, and voltages are not well defined in electromagnetic wave formulations. There are several tricks to model voltage generators in such situatio...
上传时间: 2013-12-21
上传用户:GavinNeko
资源简介:AM26C31CLow Power, I CC = 100 ƒ ⊂ A Typ Operate From a Single 5-V Supply High Speed, t PLH = t PHL = 7 ns Typ Low Pulse Distortion, t sk(p) = 0.5 ns Typ High Output Impedance in Power-Off Conditions Improved R...
上传时间: 2014-01-20
上传用户:gtzj
资源简介:Stanford的SRB实验室Quantitative Seismic Interpretation的免费MATLAB程序,可以计算AVO response, rock property, Gassmann s equation, fluid property, Elastic Impedance等,非常实用和方便
上传时间: 2017-09-08
上传用户:wweqas
资源简介:RF Amplifier Design:1. Active devices and S-parameters 2. Amplifier Impedance matching technique 3. Power gain of amplifiers 4. Stability of RF amplifiers 5. Power gain circles of amplifiers 6. Bias networks of active devices 7. Small sign...
上传时间: 2015-02-14
上传用户:Coight