Licky's Column

What is ADC - Analog to Digital Converters

by Licky Li

What is ADC - Analog to Digital Converters

The Analog world with digital Electronics Few years back the entire electronics devices that we use today like phones, computers, Televisions etc w...

Microcontroller vs PLC: A Detailed Comparison

by Licky Li

Microcontroller vs PLC: A Detailed Comparison

Programmable Logic Controller A Programmable logic controller (PLC) is simply a special purpose computing device designed for use in industrial con...

10 Most Common Mistakes while using Arduino

by Licky Li

10 Most Common Mistakes while using Arduino

1. Arduino Board not Recognized This refers to a situation where an Arduino board, connected to a computer is not recognized by the computer. When ...

A Guide To The RF PCB Design

by Licky Li

A Guide To The RF PCB Design

Anything with a radio frequency that is higher than 2 GHz is considered to be a microwave PCB. The radio frequency at which they function is the ke...

14 Common Mistakes in Engineers' PCB Board Design

by Licky Li

14 Common Mistakes in Engineers' PCB Board Design

1. Overlap of pads 1) The overlapping of the pads (except the surface mount pads) means that the holes are overlapped, and the drill bit will be br...

Electromagnetic Compatibility Design of PCB Board Microcontroller System

by Licky Li

Electromagnetic Compatibility Design of PCB Board Microcontroller System

The following is to introduce the processing of electromagnetic compatibility from the PCB board design of the single-chip microcomputer to the sof...

Understanding RF Propagation: Types and Properties

by Licky Li

Understanding RF Propagation: Types and Properties

Key Takeaways Explore how radio waves travel through space, impacting wireless communication, and discover the various types of propagation mechan...

Simple Tips for Quickly Reworking a PCB Layout

by Licky Li

Simple Tips for Quickly Reworking a PCB Layout

PCB layouts and prototypes may need some kind of rework at multiple stages in the design and development process. Rework normally refers to on-the-...

RF Sheet Resistance

by Licky Li

RF Sheet Resistance

Key Takeaways RF sheet resistance varies with frequency due to the skin effect, impacting the performance of high-frequency circuits. Accurate mea...

Understanding ESR and ESL in Capacitors

by Licky Li

Understanding ESR and ESL in Capacitors

The most used electronics components in any electronic design are Resistors (R), Capacitors (C), and the Inductors (L).  Most of us are familiar wi...

Impedance Matching Filter Circuit Design – LC, L and PI Filters

by Licky Li

Impedance Matching Filter Circuit Design – LC, L and PI Filters

LC Filter Matching Various LC filters can be used to match impedances and provide filtering. Filtering is especially important on the output of pow...

Tips and Techniques for Designing Small Circuit Boards to Shrink PCB Size

by Licky Li

Tips and Techniques for Designing Small Circuit Boards to Shrink PCB Size

For any electronic product, be it a complex mobile phone or any other simple low-cost Electronics toy, Printed Circuit Boards (PCB) is an essential...