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Last December, I spent 1,400 yuan to buy a 6N13P tube amplifier kit. After it was assembled, it had a "tube flavor", but the power reserve was insufficient and the power seemed small. The reason was t...[Details]
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1. Material types of LED lenses
1. Silicone lens
a. Because silicone has high temperature resistance (it can also pass reflow soldering), it is often packaged directly on LED chips.
...[Details]
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India's antitrust regulator has ordered an investigation into whether Google is using its Android mobile operating system to crush rivals, two people familiar with the matter said. In February,...[Details]
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Contents The invention relates to a volumetric gas flow meter for measuring gas flow, in particular to a suspended single-rotor gas flow meter. Background of the Invention At present, there is a fl...[Details]
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1 Design goals and ideas The design goal of this paper is to complete the output of 4 kinds of waveform signals, namely sine wave, triangle wave, square wave and sawtooth wave, and make them have t...[Details]
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On September 18, the real Samsung Galaxy S20 FE was exposed. Compared with the Galaxy S20, the biggest difference in the appearance of the Galaxy S20 FE is that it uses a straight screen (the Galaxy ...[Details]
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As portable devices
such as smartphones, tablets, and camcorders
continue to gain popularity, people are
demanding
more power
and the ability to use these devices while charging. High...[Details]
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How to measure diodes with a digital multimeter The connection method when using UT6OE to measure diodes is as shown below: Figure: UT6OE is used to measure the connection mode of the diode. UT6OE ...[Details]
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On December 15, according to a report from CNET, images captured by Google Earth have covered 98% of the world's human settlements, far ahead of competitors such as Apple. The image originated from...[Details]
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1. ISP download instructions: 2. Configure the clock fuse: The clock cannot be configured randomly. It is best to use an internal or external crystal oscillator. Configuring it to other settings m...[Details]
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System version: Ubuntu18.04-64 Compiler version: gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1) uboot version: 2018.07-linux4sam_6.0 Board model: at91sama5d3x-xplained MCU model: sa...[Details]
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1 Introduction
When a single chip is used to form a control system, after satisfying various control functions, in order to make the system practical, its reliability must be improved. However...[Details]
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1 Introduction
Digitally controlled switching power supplies have been popular in the market since around 2005. The reason is that at that time many power supply manufacturers and semiconduc...[Details]
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NEC announced yesterday that it has received an order for a next-generation supercomputer system from the Japan Agency for Quantum Science and Technology (QST) and the National Institute for Fusion...[Details]
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In order to focus on the challenges and opportunities of the development of energy storage, hydrogen energy and carbon management technology disciplines and their industry-education integration...[Details]
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