Licky's Column

Transmission Line Ringing and Impedance Control in PCB Design

by Licky Li

Transmission Line Ringing and Impedance Control in PCB Design

Balancing Transmission Line Ringing and Impedance Control in PCB Design All traces will behave like transmission lines if long enough, and they ca...

RF PCB Layout: mmWave Routing and Interconnect Losses

by Licky Li

RF PCB Layout: mmWave Routing and Interconnect Losses

Interconnect Geometry Your trace geometry and layer stack will have a major effect on signal integrity as you route high frequency analog signals ...

Substrate Integrated Waveguide Design for RF PCBs

by Licky Li

Substrate Integrated Waveguide Design for RF PCBs

Substrate Integrated Waveguide Design Any substrate integrated waveguide design has a similar structure. If you think about the way a waveguide lik...

What is through hole technology and why is it important ?

by Licky Li

What is through hole technology and why is it important ?

Types of through holes leads There are two kinds of through hole leads. One is axial and second is radial lead. Axial leads go through a par...

Using Microcontrollers in the Internet of Things (IoT) Applications

by Licky Li

Using Microcontrollers in the Internet of Things (IoT) Applications

The Internet of Things (IoT) is a concept that connects physical devices to the Internet, enabling communication and data exchange between devices ...

The Key Role of Electronic Components in IoT Devices

by Licky Li

The Key Role of Electronic Components in IoT Devices

How Does an IoT Device Work? Before we discuss the role of electronic components in detail, it's important to clarify our concepts around the worki...

15 Common PCB Circuit Effects

by Licky Li

15 Common PCB Circuit Effects

1. Drawbridging effect In high-density wiring, when there is not enough space between two lines, a situation may occur where one l...

How to Design Antenna on PCB?

by Licky Li

How to Design Antenna on PCB?

Types of PCB Antennas   There are several common types of PCB antennas used in wireless devices: Microstrip Patch Antennas Microstrip patch ...

RF Power Amplifier Module PCB Design

by Licky Li

RF Power Amplifier Module PCB Design

RF power amplifiers can be found in any wireless product, often built into chipsets or modems. However, in some specialty systems, you might need h...

Comparison of Routing and Layout Guidelines for UART, SPI, and I2C

by Licky Li

Comparison of Routing and Layout Guidelines for UART, SPI, and I2C

In embedded system design, serial communication protocols—UART (Universal Asynchronous Receiver/Transmitter), SPI (Serial Peripheral Interfa...

RF Frontend

by Licky Li

RF Frontend

555,556 and 558 IC Pinout

by Licky Li

555,556 and 558 IC Pinout