Licky's Column

wire bond process introduction

by Licky Li October 31, 2024

Posted in Bonding

QFP vs. QFN: Difference Between QFP and QFN

by Licky Li October 31, 2024

QFP vs. QFN: QFN Package QFN is an acronym for Quad Flat No-lead package. Its function is to link the IC's silicon die to the circuit board. A co...

Posted in QFN, QFP

Wire Bonding

by Licky Li October 31, 2024

What is Wire Bonding? Wire bonding is a solid phase welding process that joins a wire and pad surface (two metallic materials). The electrical i...

Posted in Bonding

FFC vs FPC: The Main Differences Between the Two

by Licky Li October 31, 2024

1. What is FFC(Flexible flat cable)? Image showing a flexible flat cable. Flexible flat cable (FFC) refers to a bendable and flat electric cab...

Posted in ffc, FPC, FPC Flexible PCB

Top 10 USB Isolator Models

by Licky Li October 31, 2024

What Can the USB Isolator Do? Isometric black USB types port plug-in cables. There's a load of numerous USB isolators in the market you can u...

Posted in USB

Microcontroller vs Microprocessor – 10 Major Differences

by Licky Li October 31, 2024

What Is A Microprocessor? Fig 1: Electronic Circuit Board With Processor A microprocessor is a computer processor housed in one integrated cir...

Posted in #microcontroller, #microprocessor

How to Calculate the Hole Size

by Licky Li October 31, 2024

A hole diameter or PHD refers to a production tool’s diameter that you use to drill holes.So, the calculation of a hole size diameter differed for ...

Posted in hole, PCB design

Simple RF PCB Layout Tips

by Licky Li October 31, 2024

Some illustrated RF PCB layout tips 1. No RF layout can be perfect It is not your fault if your antenna does not perform ...

Posted in RF pcb

RF PCB Design Basics

by Licky Li October 31, 2024

What is the purpose of the golden ring around the PCB, often seen on RF designs, like this? I suppose it is used as some kind of shield. But, what...

Posted in RF pcb

The Importance of RF Chip Inductors

by Licky Li October 31, 2024

RF chip inductors are specifically designed to be integrated on semiconductor substrates using thin-film or microfabrication techniques. These ind...

Posted in RF pcb

Half-Bridge DC-DC Converter PCB Design

by Licky Li October 31, 2024

The Half-Bridge Topology The half-bridge topology as applied to a DC-DC converter uses two transistors to initiate switching action, which will del...

Posted in design, PCB design

How to Add the Raspberry Pi Microcontroller to Your PCB

by Licky Li October 31, 2024

Raspberry Pi Pico Microcontroller Specs Aside from the board itself, there are the specs on the Raspberry Pi Pico microcontroller. The RP2040 is Ra...

Posted in Raspberry Pi