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As the ADC supply voltage continues to decrease, the input signal swing continues to decrease, and the precise control of the common-mode voltage of the input signal becomes increasingly important....[Details]
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A circuit whose output signal is proportional to the integral of the input signal is called an integrating circuit.
Principle: From Figure 2, Uo=Uc=(1/C)∫icdt, because Ui=UR+Uo, when t=to, U...[Details]
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One of the primary instruments used in designing and testing wireless charging products that comply with the A4WP standard is an oscilloscope . While many compliance test measurements are relatively ...[Details]
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The spring of distributed photovoltaics has come! However, distributed photovoltaics are still in an awkward period where the practitioners are mixed and industry standards have not yet been issued. I...[Details]
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The main difference between hardware scan mode and software control mode is that software control mode requires trigger conditions for the AD channel to convert the voltage value on the pin, and the ...[Details]
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1 Introduction
UPS is mainly composed of batteries, charging and discharging circuits, inverter circuits and control systems, among which the inverter circuit and its control system are the c...[Details]
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1. Pointer jitter: 1. Slight pointer jitter: generally caused by medium fluctuations. This can be overcome by increasing damping. 2. Moderate pointer jitter: generally caused by the flow state of the...[Details]
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To use a 32.768 kHz watch crystal as the device clock source, the low frequency crystal oscillator must be selected by setting the CKSEL fuse to “1001”. The crystal connections are shown in Figure 19...[Details]
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How to use a multimeter to measure the phase of two input power supplies of three-phase AC? Answer: Set the multimeter to a position higher than AC 380V. Use the two probes of the multimeter to conn...[Details]
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Overview
Both mechanical and digital potentiometers have uncertain end-to-end tolerances. Maxim's digital potentiometers typically have an end-to-end resistance error of 20% to 30%. Wh...[Details]
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A security test of keyless entry technology: All six models involved in the test were at risk of theft as long as the system worked properly. Recently, the British car magazine "What Car?" conducted...[Details]
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* The read and write programs of x25045 are written in c51*/ #define CS P2.7 /*MCU p2.7 is the chip select, you can change it to your actual pin*/ #define SO P2.6 /*Data output*/ #define SK...[Details]
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1 Introduction
With the rapid development of social economy, urban traffic is becoming increasingly busy, and traffic safety issues are receiving more and more attention. During the drivin...[Details]
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引言 在系统编程ISP（In System Programming）是指在用户设计的目标系统或印刷电路板上为重新配置逻辑，或实现新的功能而对器件进行编程或反复编程。 随着EDA工具的普及和ISP器件的日益成熟，ISP技术也得到了越来越广泛的应用。ISP技术的应用使得硬件设计软件化，其显著优势体现在：简化生产流程；利用同一硬件结构实现多种系统功能，使之成多功能硬件；在不特殊...[Details]
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The development of fast charging technology continues to break through the power limit. As the power increases, the temperature rise effect of the chip becomes more significant, and the heat loss i...[Details]
DSP and ARM Processors
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