Archive
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One article eats up all rectifier and filter circuits
ArchiveBasic scheme General Regulated DC Power Supply uses 220V mains as power supply, after conversion, rectification and filtering, it is sent to stabilized voltage circuit to stabilize voltage, and finally becomes a stable DC power su...
2023-03-24【Archive】
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"Recommended reading" inductance pure dry goods
ArchiveChoke - also known as choke, reactor, dynamic reactor. Together with capacitors and resistors, they are called three main passive components. After capacitors and resistors, they quickly evolved into microcircuit components. Rati...
2023-03-24【Archive】
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Inventory of 27 functions of capacitors in circuits
ArchiveA so-called capacitor is an electronic component that holds and releases an electrical charge. The main working principle of a capacitor is charging and discharging, and of course, rectification, oscillation and other functions. I...
2023-03-23【Archive】
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In PCB industry, we all need to know these 5 important common sense rules.
ArchivePCB (printed circuit board), Chinese name for a printed circuit board, also known as printed circuit board, which is support housing of electronic components and electrical connection carrier of electronic components. In electron...
2023-03-23【Archive】
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A Few Design Tips PCB Engineers Need to Know
ArchiveIntroduction When starting a new project, since most of time is spent on circuit design and component selection, layout and PCB routing, this is often due to lack of experience and insufficient attention. Failure to devote suffic...
2023-03-22【Archive】
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Great God: The scheme is calculated
Click on image above to go to article about 9th Anniversary Event Before you read this article, I would like to make a few clarifications: (1) I recently read Razavi's book and wrote down these things. This is just a summary of my...
2023-03-22【Archive】
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Protective earth wire does not protect?
ArchiveProtective earth wires are often used in engineering circles for isolation, to suppress mutual interference between signals. It is true that a PE wire can sometimes improve isolation between signals, but a PE wire is not always ef...
2023-03-22【Archive】
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Did you pay attention to details of using relay?
ArchiveApplication of a relay, I think everyone knows that it can work as long as it is turned on and off in circuit. However, I don't know if you paid attention to the details of its application. Let me share my point of view. 01 Curr...
2023-03-21【Archive】
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Various losses inside switching power supply
ArchiveBasic losses inside switching power supply. In order to improve efficiency of a switching power supply, it is necessary to distinguish and roughly estimate various losses. The internal losses of a switching power supply can be rou...
2023-03-21【Archive】
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How to design a triode amplifier circuit
Archive01 Analysis Design Requirements The voltage gain can be used to calculate voltage gain, maximum output voltage can be used to set the power supply voltage. The emitter current can be calculated from output power, frequency ...
2023-03-20【Archive】
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