Licky's Column

Understanding Dot Convention in Transformers

by Licky Li

Understanding Dot Convention in Transformers

What is Dot Convention? The Dot convention is a type of polarity marking for transformer windings showing which end of the winding is which, in rel...

Classes of Power Amplifiers

by Licky Li

Classes of Power Amplifiers

Classifications of Amplifiers using Letters Amplifier classes are the identity of amplifier’s performance and characteristics. Different type of po...

Understanding how the CPU works and how to write thread-efficient programs

by Licky Li

Understanding how the CPU works and how to write thread-efficient programs

1️⃣ Thread Context Switching :When a program is executed in a single-core CPU, the CPU can work with and execute only one thread at any given time....

PIC vs AVR: Which Microcontroller to choose for your Application

by Licky Li

PIC vs AVR: Which Microcontroller to choose for your Application

When it comes to choosing microcontroller, it is really a confusing task as there are various microcontrollers available in the market with same sp...

Tips for IC Package Thermal Simulation

by Licky Li

Tips for IC Package Thermal Simulation

Key Takeaways Simulations are vital for accurately predicting the junction temperature and thermal resistance of IC packages, enabling thermal per...

PCB Layout Rules of Thumb for Consideration

by Licky Li

PCB Layout Rules of Thumb for Consideration

Key Takeaways The first PCB layout rule of thumb—start with a complete plan Map out your component placement for the best routing Converting ...

Designing A Multilayer PCB Layout

by Licky Li

Designing A Multilayer PCB Layout

1. Always select an even number of layers when designing a multilayer boards because you will use both sides. 2. Some designs will require the spec...

Embedded Systems Memory Types

by Licky Li

Embedded Systems Memory Types

Embedded systems are everywhere, seamlessly integrating into our daily lives.But what's behind their reliability and efficiency? It's the strategic...

Rules Of Thumb Commonly Used In PCB Wiring

by Licky Li

Rules Of Thumb Commonly Used In PCB Wiring

1. Vertical Wiring The rule of vertical routing means that the leads in adjacent signal layers need to be perpendicular to each other to reduce the...

Types of Crosstalk and Coupling in High Speed/High Frequency PCBs

by Licky Li

Types of Crosstalk and Coupling in High Speed/High Frequency PCBs

Types of Crosstalk All crosstalk occurs between a victim line (the net or transmission line where a crosstalk signal is induced) and one or more ag...

PCB Connectors: A Comprehensive Guide to the Different Types and Their Applications

by Licky Li

PCB Connectors: A Comprehensive Guide to the Different Types and Their Applications

Introduction to PCB Connectors PCB connectors are used to connect the various components on a PCB to external devices or other PCBs. They come in a...

PCB Reliability Design in High-speed DSP Systems

by Licky Li

PCB Reliability Design in High-speed DSP Systems

As chip integration levels increase, the pin count of chips is rising, leading to a shift in device packaging from DIP to OSOP, SOP to PQFP, and PQ...