Licky's Column

Water level indicator PCB layout : tips and best practices

by Licky Li

Water level indicator PCB layout : tips and best practices

Water level indicators are essential for monitoring water levels in various applications such as tanks, wells, and reservoirs. In the past, water l...

Reverse Recovery Time of Diode

by Licky Li

Reverse Recovery Time of Diode

A diode when functioning in its forward bias condition has its depletion region shrinked to almost nothing. That is, the external supply voltage ap...

Top 5 HDl PCB Routing challenges andWays to Mitigate Them

by Licky Li

Top 5 HDl PCB Routing challenges andWays to Mitigate Them

1. High component density causes routing congestion Placina the components ontimaly on HDlPcBs to create adequate space for routing can be complex....

How to target the heat of The PCB?

by Licky Li

How to target the heat of The PCB?

What is the maximum temperature that a PCB can withstand? The materials a PCB is made of determine how much heat it can withstand. While certain ma...

9 Tips On IoT PCB Design and Manufacturing

by Licky Li

9 Tips On IoT PCB Design and Manufacturing

The Internet of Things has an important impact on our lives. Products have become smarter, and almost all fields currently require Internet of Thin...

Inductor sensor IC boosts accuracy, EMC for EV designs

by Licky Li

Inductor sensor IC boosts accuracy, EMC for EV designs

A new inductive sensor IC claiming to be intrinsically immune to stray magnetic fields aims to serve e-motor control, e-brake booster, and e-power ...

The truth about resolution in 32-bit A/D converters

by Licky Li

The truth about resolution in 32-bit A/D converters

We’ve discussed the idea of makers buying the right analog-to-digital converter (ADC), with resolution a big part of the decision. Most application...

Solving PCB switching noise with simple layout rules

by Licky Li

Solving PCB switching noise with simple layout rules

 It is very effortless to generate unwanted signals that suddenly dance across the board. This acquired noise boils down to the fundamentals of bui...

How Copper Foil Roughness Affects Your Signals and Impedance?

by Licky Li

How Copper Foil Roughness Affects Your Signals and Impedance?

How Copper Foil Roughness Affects Impedance and Losses If you look at the RLGC model for transmission line impedance, you’ll see four parameters th...

USB 4 Design: Ultra-fast Serial Data Transfer for Your PCB

by Licky Li

USB 4 Design: Ultra-fast Serial Data Transfer for Your PCB

Changes in USB 4: Data Rate and Signal Integrity The new USB 4 specification allows for serial data transfer rates up to 40 Gbps (10, 20, or 40 Gbp...

PCB Routing Rules For Differential Pairs and Single-Ended Signals

by Licky Li

PCB Routing Rules For Differential Pairs and Single-Ended Signals

PCB Routing Rules for Single-Ended Signals Perhaps the most important point to note about PCB routing rules is that routing standards do not necess...

RF Mixing / Multiplication : Frequency Mixers and Applications

by Licky Li

RF Mixing / Multiplication : Frequency Mixers and Applications

RF mixers or frequency mixers and the process of RF mixing or multiplication is key to many RF circuits enabling signals to be converted from one f...