PCB DESIGN

Manufacturing Process of Multilayer Ceramic Capacitors (MLCC)

2026-04-27

This article is based on a 2-minute-41-second video from Murata, introducing the complete manufacturing process of Multilayer Ceramic Capacitors (MLCC).

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15 Practical Uses of 0Ω (Zero-Ohm) Resistors

2026-04-16

Resistors are the most common components for engineers—including through-hole resistors, integrated resistors, high-power resistors, and more. Despite their many forms, their core function is to limit current. In practical engineering, engineers have developed many clever applications for 0Ω resistors (note: standard 0Ω resistors have a small milliohm-level resistance).

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Nine Core Circuit Modules for Hardware Engineers in Circuit Design

2026-04-09

After long-term practice and summary, hardware circuit design has formed a number of fixed design modules. Mastering these modules is extremely beneficial for hardware system design, as it can significantly improve design efficiency and reduce the probability of errors. The key modules of hardware circuit design mainly include the power supply module, storage module, display module, and external interface module.

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Internal Basic Structure of Qualcomm 8295 Cockpit Domain Controller DHU

2026-04-07

ZuoSi Automotive Research disassembled a cockpit domain controller based on the 8295 chip for an electric sedan launched in December 2023, and released a report titled Analysis and Disassembly of SA8295P Series Cockpit Domain Controllers. The official name of this cockpit domain controller is "Digital Cockpit Head Unit (DHU)". It comes in two versions, high and low, both adopting the Qualcomm SA8295P chip and supplied by Aptiv.

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In-depth Analysis of the PCB and Chip Secrets Inside Aircraft Black Boxes

2026-04-07

In recent days, the crash of China Eastern Airlines flight MU5735 has touched the hearts of people across the country. Currently, in addition to full-scale search and rescue efforts, identifying the cause of the accident is a top priority—and the key to uncovering the truth lies with the black box. We hope the black box will be found soon to restore the full picture of the accident.

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How to Distinguish the Polarity of SMD Tantalum Capacitors & Their Core Parameters

2026-04-06

SMD tantalum capacitors are electrolytic capacitors that use metallic tantalum (Ta) as the anode material. Classified by anode structure, they can be divided into foil-type and tantalum sintered pellet-type. Tantalum sintered pellet-type capacitors are further categorized into solid electrolyte and non-solid electrolyte types based on the working electrolyte, with solid tantalum electrolytic capacitors being the most widely used.

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Key Points of PCB Layout Design for DC-DC Chips

2026-04-06

In the application design of DC-DC chips, a rational PCB layout is crucial for the chip to exhibit its optimal performance. An unreasonable PCB layout can degrade chip performance—such as reduced linearity (including input and output linearity), lower load capacity, unstable operation, increased EMI radiation, and higher output noise. In more severe cases, it may even directly cause chip damage.

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Master the Analysis of 4 Classic Operational Amplifier Circuits Quickly

2026-04-03

Circuits composed of operational amplifiers are referred to as op-amp circuits for short.

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Hardware Design

Manufacturing Process of Multilayer Ceramic Capacitors (MLCC)

15 Practical Uses of 0Ω (Zero-Ohm) Resistors

Nine Core Circuit Modules for Hardware Engineers in Circuit Design

Internal Basic Structure of Qualcomm 8295 Cockpit Domain Controller DHU

In-depth Analysis of the PCB and Chip Secrets Inside Aircraft Black Boxes

How to Distinguish the Polarity of SMD Tantalum Capacitors & Their Core Parameters

Key Points of PCB Layout Design for DC-DC Chips

Master the Analysis of 4 Classic Operational Amplifier Circuits Quickly