Lisa's Column

What is the purpose of using a differential amplifier such as an op amp?

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What is the purpose of using a differential amplifier such as an op amp?

The purpose of using a differential amplifier, such as an operational amplifier (op amp), is multifaceted but primarily revolves around its ability...
Posted in circuitdesign

HISTORY OF EDI FILE FORMATS

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HISTORY OF EDI FILE FORMATS

The history of Electronic Data Interchange (EDI) file formats dates back several decades and has evolved significantly over time. Here's an overvie...
Posted in circuitdesign

Scheme-It: An Online Schematic and Diagramming Tool

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Scheme-It: An Online Schematic and Diagramming Tool

Scheme-It is a feature-rich online tool for creating electronic circuit diagrams and schematics. Here's how you can use Scheme-It to design and vis...
Posted in circuitdesign, Schematic diagram

How to Build a DIY RF Detector?

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How to Build a DIY RF Detector?

Building a do-it-yourself (DIY) radio frequency (RF) detector involves creating a device that can detect and measure RF signals in its vicinity. It...
Posted in circuitdesign, RF pcb

How to design 900MHz antenna

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How to design 900MHz antenna

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

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

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

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

Digital AC Energy Measurement Circuit V2 RMS Voltage, RMS Current, Real Power, Power Factor, Energy KWh

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Digital AC Energy Measurement Circuit V2 RMS Voltage, RMS Current, Real Power, Power Factor, Energy KWh

Designing a digital AC energy measurement circuit involves integrating several functions to accurately measure various electrical parameters. You'r...
Posted in circuitdesign, design, power supply

PCB Design for Assembly Checklist: 9 Important Checks for Layout Engineers

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PCB Design for Assembly Checklist: 9 Important Checks for Layout Engineers

When undertaking a PCB (Printed Circuit Board) design for assembly, it is critical to perform several checks to ensure that the design can be effec...
Posted in circuitdesign, PCB design

What is the difference between VCC, VEE, VDD, and VSS in microcontroller pins?

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What is the difference between VCC, VEE, VDD, and VSS in microcontroller pins?

In electronics, especially when dealing with microcontrollers and integrated circuits (ICs), you will come across various pin designations such as ...
Posted in circuit, circuitdesign, Microcircuit

Comparison of advantages and disadvantages of common switching power supplies (SMPS)

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Comparison of advantages and disadvantages of common switching power supplies (SMPS)

This article mainly introduces the characteristics, advantages and disadvantages of common switching power supply topologies. Common topologies in...
Posted in circuitdesign, design

6-layer PCB stackup design guide

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6-layer PCB stackup design guide

Once you run out of space on your 4-layer PCB, it's time to upgrade to a 6-layer board. Additional layers can provide room for more signals, addit...
Posted in circuitdesign, design, PCB design, PCB Layer stack-up

Boost Your PCB Reliability Issues By Preventing Conductive Anodic Filament

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Boost Your PCB Reliability Issues By Preventing Conductive Anodic Filament

Conductive Anodic Filament (CAF) is an important phenomenon to understand in printed circuit board (PCB) manufacturing because it can cause serio...
Posted in circuitdesign, design, PCB design