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Common emitter amplifier circuit
3.2.1 Composition principles of amplifier circuits
When forming an amplifier circuit, the principles that must be followed are:
1. Set up a DC power suppl...[Details]
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Recently, PetroChina invested 500 million yuan to establish a new company, PetroChina (Beijing) Digital Intelligence Research Institute Co., Ltd., with a wholly owned stake. Its business scope cove...[Details]
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A key performance parameter of power amplifiers used in mobile communication networks is nonlinear distortion. However, excessive nonlinear distortion will increase the bit error rate (BER), resu...[Details]
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1 Introduction STC (Hongjing Technology) Company launched STC 89C/S 51XX/52XX series of single-chip microcomputers, which have the advantages of low price, undecryptable, low power consumption, ...[Details]
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1 Introduction
Nowadays, people are very concerned about their health and hope to have a good body. Body temperature is one of the important physiological parameters of the human body, and...[Details]
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At present, most of the testing equipment for automobile safety parts is imported from countries with developed automobile manufacturing industries, especially the functional testing equipment for...[Details]
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On June 30, developer @kacskrz discovered a new feature of MIUI - performance mode (English name: "Performance mode"). @kacskrz said that the MIUI beta version has added a "performance mode" option...[Details]
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STM8 ADC timing diagram As shown in Figure 149, after the ADC is powered on, the ADC needs a stabilization time tSTAB (equal to the time tCONV for one conversion) before starting accurate conversion....[Details]
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In 2023, BYD's sales exceeded 3 million vehicles, making countless Chinese people proud. However, while sales are increasing by leaps and bounds, many people are still discussing BYD's lag in intelli...[Details]
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There are many types of signal generators, which have different appearances and provide different functions. Figure 1-1. Keysight PXIe vector signal generator and analyzer. Form factor: Do you ne...[Details]
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Once the microcontroller responds to an interrupt request, the hardware completes the following functions: (1) According to the interrupt priority of the interrupt source being responded to, the co...[Details]
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As of 4:00 a.m. on December 18, the ±800 kV UHV Zhongzhou Converter Station, the receiving-end converter station of the Tianzhong DC Project, the first "double 800 UHV DC project" in China and the ...[Details]
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Apple has a nearly perfect product for customers who want powerful but small phones. But according to the latest data from carriers, at least in the United States, the 5.4-inch iPhone 12 mini model a...[Details]
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1. Introduction
Fingerprints are widely used in industries with high security requirements, such as customs, finance and criminal investigation, due to their uniqueness and lifelong immutabili...[Details]
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On October 30, Samsung is currently expanding the proportion of Qualcomm Snapdragon chips used in its Galaxy flagship phones, while its own Exynos chips mainly cover mid-to-low-end and home applian...[Details]
DIY/Open Source Hardware
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