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If the gain or noise bandwidth of a low-noise amplifier is known or estimated, the other specifications can be measured using only a few resistors and an AC voltmeter. This example uses the Johnson e...[Details]
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On August 27, Tsinghua Unigroup announced that it would invest in a factory dedicated to the manufacture of 12-inch DRAM memory chips. The factory will start construction at the end of this year and ...[Details]
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According to the STM32 reference manual: "The independent watchdog (IWDG) is driven by a dedicated low-speed clock (LSI) and remains effective even if the main clock fails. IWDG is most suitable for a...[Details]
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The internal structure of the AT89S51 microcontroller serial port is shown in the figure below. It has two physically independent receiving and transmitting buffers SBUF (special function registers),...[Details]
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The reason why the soft starter reports overload
The reasons why the soft starter reports overload may be as follows:
1. Motor overload: The soft starter is mainly used to control the sta...[Details]
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1. The formula of induced electromotive force of the motor is: E=4.44*f*N*Φ, where E is the coil electromotive force, f is the frequency, S is the cross-sectional area of the conductor (such as t...[Details]
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According to Jiwei.com, today (20), Nanya Technology announced that it will invest NT$300 billion to build a 12-inch advanced wafer factory, which is expected to start construction at the end of this...[Details]
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The T-type converter is composed of a coupled inductor and a capacitor, as shown in Figure 3-16. The coupled inductor is composed of two windings wound on an iron core.
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From May 15 to 17, the 4th International Automotive Powertrain Summit Forum (hereinafter referred to as the "4th Summit Forum") was successfully held in Ningbo, China. With the theme of "Dual Carbo...[Details]
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OnePlus previously launched the more affordable OnePlus Nord 5G smartphone in overseas markets. Recently, a whistleblower exposed the price of OnePlus Nord in China. It seems that OnePlus will soon l...[Details]
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ADLINK Launches Integrated 4-Axis PCI Express® Pulse Motion Controller for Demanding Machine Automation Applications
AMP series PCI Express® interface motion control cards have high ...[Details]
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When all system initialization work is completed, it is necessary to transfer the program flow to the main application, that is, call the main application. The simplest case is: IMPORT main ...[Details]
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Embedded temperature logger using FAT16 file system The 32/16-bit microcontroller LPC2148 with ARM7TDMIS as the core is combined with the SD card to realize the establishment of the FAT16 file s...[Details]
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In a factory, a human-machine interface usually needs to establish communication with multiple PLCs, and the locations of the devices are different. If wiring is required, it needs to be constructe...[Details]
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0 Introduction
At present, there are many electronic locks based on IC card design on the market, which are widely used in hotels, apartments, warehouses, schools and other places. These o...[Details]
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