Lisa's Column

Impedance Matching for USB Interfaces in PCBs

by Sales pcb hero April 11, 2024

Impedance matching is crucial for USB interfaces on PCBs to ensure optimal signal integrity and reliable data transmission. Here are key points reg...

Posted in PCB design, PCB Impedance Matching

Why Is Controlled Impedance So Important in PCB Design ?

by Sales pcb hero February 26, 2024

Controlled impedance is crucial in PCB design, especially for high-speed digital and RF/microwave applications, due to the following reasons: Signa...

Posted in Impedance Control PCB, PCB design, PCB Impedance Matching

What are Peel Off, Countersunk & Impedance Control?

by Sales pcb hero February 22, 2024

Peel off, Countersunk, and Impedance Control are important concepts in the field of printed circuit boards (PCBs) and electronics: Peel Off: In ...

Posted in Impedance Control PCB, PCB Impedance Matching

5 Must Know Rules to achieve impedance control in PCB

by Sales pcb hero December 19, 2023

Latest generation electronic circuits have increasingly stringent requirements, such as miniaturization, use of high frequency signals, high compo...

Posted in Impedance Control PCB, PCB design, PCB Impedance Matching

5 Must Know Rules to achieve impedance control in PCB

by Sales pcb hero November 13, 2023

Latest generation electronic circuits have increasingly stringent requirements, such as miniaturization, use of high frequency signals, high compo...

Posted in Impedance, Impedance Control PCB, PCB Impedance Matching

RC Series Circuit (Impedance, Phasor Diagram)

by Sales pcb hero November 10, 2023

Impedance of the RC series circuit An RC series circuit (also known as an RC filter or RC network) is an electrical circuit consisting of a resi...

Posted in Impedance, Impedance Control PCB, PCB Impedance Matching

Four things to pay attention to when calculating impedance in PCB design

by Sales pcb hero August 25, 2023

In the high-speed PCB design process, stackup design and impedance calculation are the first ladder to the top. The impedance calculation me...

Posted in Impedance, Impedance Control PCB, PCB design, PCB Impedance Matching

The Importance of Impedance Control in PCB design (and how to avoid Signal Integrity problems)

by Sales pcb hero February 13, 2023

1. What is Impedance Control and Signal Matching Impedance control is matching PCB trace dimensions and locations with the properties of the subs...

Posted in Impedance Control PCB, PCB design, PCB Impedance Matching

5 Must Know Rules to achieve impedance control in PCB

by Sales pcb hero February 13, 2023

Latest generation electronic circuits have increasingly stringent requirements, such as miniaturization, use of high frequency signals, high compon...

Posted in Impedance Control PCB, PCB design, PCB fabrication, PCB Impedance Matching

Effect of PCB production process on impedance

by Sales pcb hero December 12, 2022

The production process has a great influence on the impedance. In theory, continuously adjusting the thickness of the medium can obtain continuo...

Posted in Impedance Control PCB, PCB Impedance Matching, PCB manufacturing

PCB high-speed signal impedance test skills sharing

by Sales pcb hero June 30, 2022

For low-frequency boards, PCB is to interconnect the components in the design drawings , but with the increasing frequency, PCB has begun to play t...

Posted in PCB, PCB design, PCB Impedance Matching

Advantages and disadvantages of several common PCB surface treatment processes and their applicable scenarios

by Sales pcb hero June 09, 2022

1. Bare copper plateThe advantages and disadvantages are obvious:Advantages: low cost, smooth surface, good weldability (without being oxidized).Di...

Posted in Material, PCB Impedance Matching, PCB Layer stack-up