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模拟电子  精密DAC和看门狗提高模拟输出安全

Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...

https://www.eeworm.com/dl/571/21258.html

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模拟电子  简单的多输出范围16位DAC设计

&nbsp; Precision 16-bit analog outputs with softwareconfigurableoutput ranges are often needed in industrialprocess control equipment, analytical and scientificinstruments and automatic test equipment. In the past,designing a universal output module was a daunting taskand the cost and PCB real e ...

https://www.eeworm.com/dl/571/21293.html

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模拟电子  Stabilize Your Transimpedance Amplifier

&nbsp; Abstract: Transimpedance amplifiers (TIAs) are widely used to translate the current output of sensors like photodiode-to-voltagesignals, since several circuits and instruments can only accept voltage input. An operational amplifier with a feedback resistor fromoutput to the inverting inpu ...

https://www.eeworm.com/dl/571/21297.html

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模拟电子  在单端应用中采用差分I/O放大器

&nbsp; Recent advances in low voltage silicon germaniumand BiCMOS processes have allowed the design andproduction of very high speed amplifi ers. Because theprocesses are low voltage, most of the amplifi er designshave incorporated differential inputs and outputs to regainand maximize total outp ...

https://www.eeworm.com/dl/571/21329.html

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模拟电子  独特的IC BUFFER增强运算放大器设计

This note describes some of the unique IC design techniques incorporated into a fast, monolithic power buffer, the LT1010. Also, some application ideas are described such as capacitive load driving, boosting fast op amp output current and power supply circuits.

https://www.eeworm.com/dl/571/21348.html

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模拟电子  LTC1062的低通滤波器应用

Highlights the LTC1062 as a lowpass filter in a phase lock loop. Describes how the loop&#39;s bandwidth can be increased and the VCO output jitter reduced when the LTC1062 is the loop filter. Compares it with a passive RC loop filter. Also discussed is the use of LTC1062 as simple bandpass and ban ...

https://www.eeworm.com/dl/571/21357.html

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模拟电子  水声信号功率放大器的设计与实现

设计了水声信号发生系统中的功率放大电路，可将前级电路产生的方波信号转换为正弦信号，同时进行滤波、功率放大，使其满足换能器对输入信号的要求。该电路以单片机AT89C52，集成6阶巴特沃思低通滤波芯片MF6以及大功率运算放大器LM12为核心，通过标准RS232接口与PC进行通信，实现信号增益的程控调节，对干扰信号具有良好的抑 ...

https://www.eeworm.com/dl/571/21375.html

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模拟电子  针对远程系统的小型温度传感器 (tiny temperatu

The LM20, LM45, LM50, LM60, LM61, and LM62 are analog output temperature sensors. They have various output voltage slopes (6.25mV/°C to 17mV/°C) and power supply voltage ranges (2.4V to 10V).The LM20 is the smallest, lowest power consumption analog output temperature sensor National Semiconductor ...

https://www.eeworm.com/dl/571/21376.html

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模拟电子  DAC技术用语 (D/A Converters Defini

Differential Nonlinearity: Ideally, any two adjacent digitalcodes correspond to output analog voltages that are exactlyone LSB apart. Differential non-linearity is a measure of theworst case deviation from the ideal 1 LSB step. For example,a DAC with a 1.5 LSB output change for a 1 LSB digital codec ...

https://www.eeworm.com/dl/571/21377.html

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模拟电子  ADC转换器技术用语 (A/D Converter Defi

ANALOG INPUT BANDWIDTH is a measure of the frequencyat which the reconstructed output fundamental drops3 dB below its low frequency value for a full scale input. Thetest is performed with fIN equal to 100 kHz plus integer multiplesof fCLK. The input frequency at which the output is &#8722;3dB relati ...

https://www.eeworm.com/dl/571/21378.html