Licky's Column

8 Ways to Restore PCB Schematic Diagram According to PCB Board

by Licky Li

8 Ways to Restore PCB Schematic Diagram According to PCB Board

When encountering some small objects, or encountering electronic products without drawings, you need to draw the circuit schematic according to t...

Motor speed control

by Licky Li

Motor speed control

RF PCB Layout and Routing Tips for mmWave Products

by Licky Li

RF PCB Layout and Routing Tips for mmWave Products

Component Placement Before you start routing anything, you need to place components around your new PCB.  This is where smart floorplanning becomes...
Posted in RF pcb

Coplanar Waveguide Design for Your RF PCB

by Licky Li

Coplanar Waveguide Design for Your RF PCB

Getting Started with Coplanar Waveguide Design All coplanar waveguides come in two varieties: standard coplanar waveguide and grounded coplanar wav...
Posted in RF pcb

Control FAN and LIGHT using TV remote

by Licky Li

Control FAN and LIGHT using TV remote

Posted in design, PCB design

How to Test Circuit Board with Multimeter

by Licky Li

How to Test Circuit Board with Multimeter

Visual inspection after SMD Process Free AOI Testing X-ray Testing for BGA package, Function Testing, etc with extra charges.  Final visual inspec...
Posted in PCB design, PCB fabrication, PCB Impedance Matching, PCB layout, PCB manufacturing

How to Identify Electronic Components in a PCB Layout

by Licky Li

How to Identify Electronic Components in a PCB Layout

Identifying Electronic Components Most electronic components will come with some information you can use to identify each component. At minimum, yo...
Posted in PCB design, PCB Layer stack-up, PCB layout

Techniques for PCB Design Under Space Constraints

by Licky Li

Techniques for PCB Design Under Space Constraints

PCB Design and Outlining  Circuit board outlining is the first and one of the most important steps in creating a PCB design. It is essential to cre...
Posted in PCB design

Chip Scale Package: A Guide To CSP Package Forms And Types

by Licky Li

Chip Scale Package: A Guide To CSP Package Forms And Types

What Is CSP Chip Scale Package? Based on the CSP chip scale package definition of IPC/JEDEC J-STD-012, CSP (Chip Size Package) is a single-ch...
Posted in Chip

Wave And Reflow Soldering In PCB Soldering: Process Guide

by Licky Li

Wave And Reflow Soldering In PCB Soldering: Process Guide

What Is Wave Soldering? Wave solder is a batch soldering process used in printed circuit board manufacturing.The circuit board goes through a...
Posted in #soldering, pcba

PCB Gerber Files: Ultimate Guide For Beginners.

by Licky Li

PCB Gerber Files: Ultimate Guide For Beginners.

What Is A Gerber File? A Gerber file is a file format that includes information used to guide the manufacturing process of a PCB. Gerber file...
Posted in gerber, PCB design

10 Circuit Design Tips Every Designer Must Know

by Licky Li

10 Circuit Design Tips Every Designer Must Know

Step 1: 10 TIPS IN a VIDEO Step 2: USING DECOUPLING AND COUPLING CAPACITORS Step 3: USING PULL UP AND PULL DOWN RESISTORS Step 4: DISCHARGE TIME OF...