随笔分类 - Circuit
摘要：XAPP906Supporting Multiple SD Devices with CoolRunner-II CPLDsThere has been an increasing demand to add multiple Secure Digital (SD) devices in a sin...
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摘要：Driver Amplifiers For Analog-To-Digital ConvertersWhat amplifiers are used to drive analog-to-digital converters (ADCs)?Possibilities include single-e...
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摘要：Google :Op-Amp Level ShifterLevel shifting a +/- 2.5V signal to 0 - 5VI have a front end module that generates an (ECG) signal that varies from +/-2.5...
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摘要：Building a Differential AmplifierAn op-amp with no feedback is already a differential amplifier, amplifying the voltage difference between the two inp...
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摘要：Transistor Tutorial SummaryTransistor Tutorial SummaryBipolar Junction Transistor Tutorial We can summarise this transistors tutorial section as follo...
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摘要：Cs5171: Tracking Boost RegulatorAdding a current mirror circuit to a typical boost circuit allows the user to select the amount of boost voltageand en...
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摘要：In most cases the voltage that is induced in the coil can not exceed 6V, and it does not have risk to damage any of the elements. But sometimes, under...
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摘要：画时序图工具TimingDesigner 9.2 安装指导先上文件下载链接：http://bbs.eetop.cn/viewthread.php?tid=250446&;highlight=timing%2Bde%24igner安装、破解方法：一、安装1)解压“TimingDesigner_v9.2...
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摘要：https://zh.wikipedia.org/wiki/%E5%88%86%E8%B2%9D分贝（decibel）是量度两个相同单位之数量比例的单位，主要用于度量声音强度，常用dB表示。“分”（deci-）指十分之一，个位是“贝”或“贝尔”（bel），但一般只采用分贝。分贝(dB)是十分之一贝尔...
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摘要：how determine the RC time constant in PWM digital to analog low-pass filter?I 'm looking for the best RC time constant and its reason in a PWM to conv...
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摘要：http://e2e.ti.com/blogs_/b/analogwire/archive/tags/DAC%2bEssentialsDAC Essentials: A new blog seriesAdigital-to-analog converter, or DAC, performs the...
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摘要：http://www.cypress.com/knowledge-base-article/interfacing-sram-jtag-signals-using-voltage-level-shifter-kba81536As a best practice, avoid use of level...
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摘要：线性电压稳压器的分类线性电压稳压器是按照导通组件技术进行分类，包括：NPN-Darlington、NPN、PNP、PMOS 及 NMOS 稳压器。表 1 显示不同的类型以及一般最小电压差与静态电流特性。PNP 双极体晶体管一般被运用于低压降的应用，主要是因为这类晶体管很容易就能够达到低压降，然而，它...
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摘要：After damaging the GPIO port on our raspberry pi while designing a new solar monitoring system we decided that it might be a good idea to build a buff...
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摘要：TXS（开漏优化设计），如I2CTXB（上拉优化设计），如SPITXS0108has integrated pull-up resistors to save board space and cost in open-drain applications.The TXS0108 Does NOT n...
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摘要：Voltage Translation for Analog to Digital Interface孕龙逻辑分析仪 ZeroPlus Logic AnalyzerHow to modify analog output range of Arduino DueIn today'smicrocontr...
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摘要：E3 50% tolerance (no longer used)E6 20% tolerance (now seldom used)E12 10% toleranceE24 5% toleranceE48 2% toleranceE96 1% toleranceE192 0.5, 0.2...
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摘要：RC 2nd Order Passive Low Pass FilterThe cut-off frequency of second order low pass filter is given asSecond order low pass filter -3dB frequency is gi...
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摘要：Figure 3-7 shows a block diagram of a DSP system,as the sampling theorem dictates it should be.Before encountering the analog-to-digital converter,the...
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摘要：The Secret Mixed-Signal Life of PWM PeripheralsPulse-width modulation (PWM) peripherals have enjoyed a long association with microcontrollers and powe...
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