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1. Introduction Amplifiers and filters are important components of modern electronic systems, and the quality of their performance indicators directly determines the performance of the entire system....[Details]
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On October 19, Apple’s second new product launch conference of the fall was officially held, launching HomePod mini and AirPods 3 in new colors and the new "notch screen" MacBook Pro. After ma...[Details]
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In Figure 1, V8 is the oscillation pulse generated by the oscillation circuit, and its duty cycle is 50%. The pulse determines the operating frequency of the switching device. V1 is the voltage drop o...[Details]
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On December 18, Crystal Optech issued an announcement stating that the company plans to cooperate with Hangzhou Lianli Investment Management Partnership (Limited Partnership) (hereinafter referred t...[Details]
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In a common dual-tube pulse circuit, one tube is always on and the other is off. However, the complementary tube pulse circuit is different. It has the following characteristics:
(1) Both tube...[Details]
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Ten years ago, lithium batteries made mobile phones possible. In the past ten years, battery technology has advanced by leaps and bounds, and battery prices have dropped by 85%. Ten yea...[Details]
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Power management generally refers to issues related to powering a circuit board. Issues include: Selecting various DC-DC converters to power the board Power supply sequencing/tracking Voltag...[Details]
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Following the program execution flow, main is the program entry, where various initializations are performed. 1. Clock configuration First is RCC_Configuration(), which performs basic clock i...[Details]
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Alipay and WeChat's QR code payment is the mainstream method of mobile payment. In daily payment activities, more and more consumers prefer to use this payment method. The 113th PLA Hospital is a com...[Details]
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The energy density of a single battery cell reaches 500Wh/kg. The condensed matter battery released by CATL during the Shanghai Auto Show has truly subverted industry perceptions, and this is only...[Details]
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1. System Introduction
The spindle is an important part of the lathe, and plays an important role in improving processing efficiency, expanding the range of processing materials, and improving proce...[Details]
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1. Name: Servo level meter Measuring principle: The servo motor drives the float to move downward, the force sensor senses the change in the float's buoyancy, and the motor rotation angle at this tim...[Details]
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iPadOS 15 also adds a lot of new functions and features, but Apple cannot introduce them one by one. -Universal controls allow users to switch between iPad and Mac smoothly with just a mouse and ...[Details]
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The new compiler is optimized for the dsPIC® Digital Signal Controller ( DSC ) , with customizable licensing options for real-time applications As the industrial and autonomous...[Details]
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As automotive companies prepare for intelligence (smart driving and continuous OTA), the speed of automotive networks continues to increase, ushering in a new chapter in technological evolution. In...[Details]
Power technology
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