Lisa's Column

Why detailed evaluation of your AC-DC converter topology pays off ?

by Sales pcb hero February 21, 2024

A detailed evaluation of your AC-DC converter topology is crucial for ensuring that the power supply meets the specific needs of your application a...

Posted in Components Sourcing, Transformer

Understanding the Single-Phase Full Wave Converter

by Sales pcb hero February 20, 2024

A single-phase full-wave rectifier is a circuit that converts alternating current (AC) to direct current (DC). Unlike half-wave rectifiers, which u...

Posted in circuit, Components Sourcing

How to Distinguish between Active Crystal Oscillator and Passive Crystal Oscillator?

by Sales pcb hero February 20, 2024

Active and passive crystal oscillators are both integral components in electronic systems, providing precise timing signals. However, they have dis...

Posted in Components Sourcing

8-100V to 5V-1A DC to DC Buck Converter using MP9486

by Sales pcb hero February 20, 2024

If you're looking to create a buck converter circuit that can handle an input voltage range of 8-100V and convert it down to a stable 5V output wit...

Posted in circuitdesign, Components Sourcing

Low Noise 45V-4A Dual Rail Power Supply Using Enhanced Capacitance Multiplier

by Sales pcb hero February 20, 2024

Designing a low noise 45V-4A dual rail power supply using an enhanced capacitance multiplier would aim to deliver stable voltage while minimizing t...

Posted in Components Sourcing, power supply

How to Face the Impact on PCB of Components Shortage

by Sales pcb hero February 01, 2024

Component shortages can significantly impact PCB (Printed Circuit Board) design and production, leading to delays, increased costs, and potential r...

Posted in Components Sourcing, PCB fabrication

How to Face the Impact on PCB of Components Shortage

by Sales pcb hero November 13, 2023

The shortage of electronic components, in particular of some categories of semiconductors and chips, has for some time been creating many problems...

Posted in #PCBA, Components Sourcing

The difference between original IC integrated circuit, bulk new and refurbished goods! Teach you to identify counterfeit goods step by step!

by Sales pcb hero April 18, 2023

First of all, we need to know the definitions of original goods, bulk new goods and refurbished goods in the industry. Original goods: produced by ...

Posted in #microcontroller, Components Sourcing, IC

Are there any problems in performing manual soldering of multilayer ceramic capacitors? Are there any points to be aware of when performing manual soldering?

by Sales pcb hero April 13, 2023

Hand soldering differs from reflow soldering in that the soldering process involves localized rapid heating of the desired point. During this proce...

Posted in #PCBA, #soldering, Components Sourcing

What are the effects of environmental factors on connector performance

by Sales pcb hero June 30, 2022

The same object will have different technical performance in different environments. Therefore, evaluating the quality of an object to see how much...

Posted in Components Sourcing, Material

Small series resistance, big effect. Classification and summary of common series resistance

by Sales pcb hero April 23, 2022

Hello everyone, I am Lisa Wang. In many circuits, small-value resistors are connected in series. Don't underestimate them, they actually play a big...

Posted in Chip, Components Sourcing

Chip Manufacturing Process Steps

by Sales pcb hero April 08, 2022

Chip manufacturing process steps: A chip generally refers to the carrier of an integrated circuit .The chip manufacturing process steps are relativ...

Posted in #microcontroller, Chip, Components Sourcing, IC