Lisa's Column

What are Peel Off, Countersunk & Impedance Control?

by Sales pcb hero February 22, 2024

Peel off, Countersunk, and Impedance Control are important concepts in the field of printed circuit boards (PCBs) and electronics: Peel Off: In ...

Posted in Impedance Control PCB, PCB Impedance Matching

Different PCB Surface Finishes and Choosing the Right One

by Sales pcb hero February 22, 2024

Selecting the appropriate surface finish for a printed circuit board (PCB) is crucial for ensuring the functionality and reliability of electronic ...

Posted in PCB manufacturing

Thermal Reliability of PCB Solder Mask Materials

by Sales pcb hero February 22, 2024

The thermal reliability of PCB solder mask materials is an important consideration in electronics manufacturing, as it directly impacts the perform...

Posted in PCB fabrication, solder mask

How to design 900MHz antenna

by Sales pcb hero February 21, 2024

Designing a 900MHz antenna involves understanding the principles of RF (Radio Frequency) antenna theory and practical design skills. Antennas at 90...

Posted in circuitdesign, design, PCB design

3D Priting PLA vs ABS vs Nylon

by Sales pcb hero February 21, 2024

3D printing involves various materials, each with its own set of properties that make it suitable for different applications. Three common filament...

Posted in 3D Printing

PWM Cooling-FAN Control and Over Temperature Protection using LM35 and ATTiny13

by Sales pcb hero February 21, 2024

Creating a PWM (Pulse Width Modulation) cooling fan controller with over-temperature protection using an LM35 temperature sensor and an ATtiny13 mi...

Posted in circuit, PCB design

Design Points of Sheet Metal Structure

by Sales pcb hero February 21, 2024

Designing a sheet metal structure requires careful consideration of various factors from the initial design phase through fabrication and assembly....

Posted in CNC

Why detailed evaluation of your AC-DC converter topology pays off ?

by Sales pcb hero February 21, 2024

A detailed evaluation of your AC-DC converter topology is crucial for ensuring that the power supply meets the specific needs of your application a...

Posted in Components Sourcing, Transformer

What should be paid attention to when pasting membrane switches

by Sales pcb hero February 21, 2024

When pasting membrane switches, it's essential to ensure not only the functionality of the switches but also their longevity and reliability. Here ...

Posted in Film Switch, Thin Film Switch

Understanding the Single-Phase Full Wave Converter

by Sales pcb hero February 20, 2024

A single-phase full-wave rectifier is a circuit that converts alternating current (AC) to direct current (DC). Unlike half-wave rectifiers, which u...

Posted in circuit, Components Sourcing

How to Distinguish between Active Crystal Oscillator and Passive Crystal Oscillator?

by Sales pcb hero February 20, 2024

Active and passive crystal oscillators are both integral components in electronic systems, providing precise timing signals. However, they have dis...

Posted in Components Sourcing

8-100V to 5V-1A DC to DC Buck Converter using MP9486

by Sales pcb hero February 20, 2024

If you're looking to create a buck converter circuit that can handle an input voltage range of 8-100V and convert it down to a stable 5V output wit...

Posted in circuitdesign, Components Sourcing

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