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The tube amplifiers made by many friends are not ideal. There are two main reasons for this:
1. Since the knowledge of tube circuits and their applications was only available in textbooks in th...[Details]
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I was stumped by a problem I had created, so I tried to use mathematical methods to pretend to solve it.
The first thing that came to my mind was to put the balls in 8 boxes with spaces ...[Details]
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On March 29, Rongbai Group’s new integration signing ceremony and Xiantao base groundbreaking ceremony were successfully held in Xiantao, Hubei.
The signing of this package of agreements i...[Details]
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Overview
There are many open source system building frameworks on the Linux system platform, which facilitate developers to build and customize embedded systems. Currently, the m...[Details]
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Four driver units: D-bus and S-bus of context-M3 core, general DMA1 and general DMA2. Four driven units: internal FLASH (internal mountain village memory), internal SRAM, FSMC, AHB to APB bridge AHP2...[Details]
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In recent years, the design difficulty of mobile communication antennas installed in mobile communication terminals has gradually increased. With the increase of new communication methods such as LTE...[Details]
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In the ds1302.h file:
#ifndef _STM32F103_DS1302_H_
#define _STM32F103_DS1302_H_
//************************DS1302 control command************************
#define RdSec 0x81
#define RdMin...[Details]
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Tianlong Optoelectronics issued an announcement on the receipt of a civil judgment and a risk warning announcement on the continued suspension of the company's equipment manufacturing production line...[Details]
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In recent years, with the continuous development of sensor technology, especially the widespread application of microcontroller technology, more and more small sensor measurement and control systems ...[Details]
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1. Introduction
Phase-locked loop is the main implementation method of frequency multiplication circuit, which directly determines the success or failure of frequency multiplication. Tra...[Details]
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Download the schematic used in this program: click here. The microcontroller chip used is stc89c52; just find the schematic diagram of the dot matrix part. This is the circuit diagram of the entire ...[Details]
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Recently, Shihua Technology said in an institutional survey that as the epidemic situation gradually improves, the adverse effects gradually weaken, the company's customers in Shanghai, Kunshan and o...[Details]
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According to foreign media reports, according to research from the Pacific Northwest National Laboratory (PNNL), the charging capacity and cycle stability of lithium metal batteries will be greatly i...[Details]
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TDA8920 is a class D (switching) power amplifier IC produced by Philips. The device integrates analog circuits, digital circuits and two MOSFET half-bridge power stages on the same chip. It uses a 17-...[Details]
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The core technology of new energy vehicles is still the "three-electric" system, including batteries, motors, and electronic control systems. In addition, due to the rapid development of inte...[Details]
FPGA/CPLD
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