Mila Apr 10,2026 293

PDN Design Guidelines for HDI PCB: Key Optimization Techniques for Stable Power Delivery

PDN (Power Distribution Network) is a critical part of PCB design, directly determining power delivery efficiency, noise suppression capability, and overall system stability. Skipping PDN simulation a...

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Mila Apr 09,2026 524

PMU PCB Design Guidelines: Layout and Routing Best Practices for Power Management

The PMU (Power Management Unit) is the core of power supply systems in electronic devices such as smartphones and computers. It is responsible for voltage and current regulation, power switching, batt...

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Mila Apr 07,2026 387

Mixed Signal PCB Design: Common Interference Issues and Practical Solutions

In electronic design, interference in mixed-signal systems is a common challenge for engineers. Digital circuits have strong noise immunity, while analog circuits are highly sensitive—even minor inter...

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Mila Apr 03,2026 449

Why Should Power Planes Be Smaller Than Ground Planes in PCB Design?

In multilayer PCB design, there is a widely accepted guideline: power planes should be slightly smaller than ground planes, with a uniform edge inset instead of matching the board outline.Many enginee...

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Mila Mar 31,2026 723

PCIe PCB Layout Guidelines: Key Design Rules for High-Speed Routing

What is PCI Express (PCIe)PCI Express (PCIe) is a high-speed serial computer expansion bus standard. It adopts a point-to-point, dual-channel architecture that provides dedicated bandwidth for each co...

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Mila Mar 26,2026 625

LDO Power PCB Layout Design Guidelines: From Basics to Best Practices

In power supply design, linear regulators (LDOs) are widely used in portable devices, industrial control systems, and consumer electronics due to their simple circuitry, low ripple, and fast transient...

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Mila Mar 24,2026 802

Jumper Wires in PCB Design: Functions, Applications, and Best Practices

In PCB design, multilayer boards, with their sophisticated stack-up structures and complex via technologies, make it possible to achieve highly flexible and nearly “limitless” routing. However, in cos...

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Mila Mar 20,2026 676

USB 2.0 vs USB 3.0 vs USB4 PCB Layout Differences

Since the USB Implementers Forum released the USB 1.0 standard in 1996, USB technology has evolved through multiple generations, including USB 1.1, USB 2.0, USB 3.0, USB 3.1, and USB 3.2. In 2019, the...

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Mila Mar 17,2026 648

Top 10 RF PCB Layout Mistakes and How to Avoid Them

RF PCB layout is a critical step that determines the actual performance of a circuit, directly affecting impedance matching, signal integrity, EMC performance, and long-term stability. In the previous...

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Mila Mar 06,2026 387

Embedded Components in High Current PCB Layout: Advantages and Implementation Methods

Key Advantages of Embedded Components in High Current PCB LayoutEnhanced Current Carrying CapabilityBy embedding copper blocks, copper bars, or high-power shunt resistors inside the PCB, the effective...

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Mila Mar 05,2026 920

Thermal Resistance and Heat Flow in LED PCB Design: Understanding LED PCB Layout for Better Heat Dissipation

In the previous LED PCB Layout article, we discussed several practical considerations for LED PCB layout and routing. Proper placement and routing are essential for achieving reliable LED performance....

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Mila Feb 27,2026 1823

PCB Layout Best Practices for Improved Performance and Manufacturability

During the PCB design process, component placement plays a critical role. A well-planned and scientific layout not only makes the board look clean and organized, but also effectively controls trace le...

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Mila Feb 25,2026 1290

DDR2 PCB Layout Guidelines: Routing, Termination, and Design Principles

In modern high-speed digital circuit design, DDR2 memory remains a widely used high-speed storage device. Due to its high operating frequency, the quality of the DDR2 PCB layout directly determines wh...

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William Harter Feb 13,2026 562

Using Inspection Tools When Designing PC Boards

When designing PC boards in KiCad (or similar software), always use the Electrical Rules Checker for schematics and the Design Rules Checker for board layouts. Run the Electrical Rules Checker before ...

Mila Jan 30,2026 2059

DDR3 PCB Layout and Routing Guide: Topology, Placement, and Signal Integrity Tips

DDR3 layout and routing are highly demanding, requiring careful attention to signal integrity, timing, and design constraints. The following summarizes the key design process, component placement stra...

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Mila Jan 29,2026 1429

AC-DC PCB Layout Guidelines: Safety, Isolation, and EMI Control

In intelligent switched-mode power supply design, the current-loop layout of an AC-DC converter is critical to the overall system performance. A well-designed layout can improve power efficiency, redu...

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Mila Jan 28,2026 1653

DC-DC Converter PCB Layout Guidelines: Power Loops, Hot Loops, and EMI Control

The quality of a DC-DC converter design is determined not only by the chosen topology and component parameters, but very often by the PCB layout, which can ultimately decide the success or failure of ...

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