Lisa's Column

Understanding BJT transistors

by Lily Zhang

Understanding BJT transistors

BJT Transistors: A Comprehensive Guide Bipolar Junction Transistors (BJTs) are fundamental semiconductor devices used for amplification and switchi...
Posted in electrical symbols

What are the 5 pins of the encoder used for?

by Lily Zhang

What are the 5 pins of the encoder used for?

The 5 pins of a typical rotary encoder (e.g., mechanical or incremental) serve specific functions to detect rotation direction, position, and user ...
Posted in electrical symbols

How does the circuit board transmit signals ?

by Lily Zhang

How does the circuit board transmit signals ?

The transmission of signals on a circuit board (PCB) involves the movement of electrical signals through conductive traces, components, and interco...
Posted in PCB

Why is 50Ω the Golden Rule in PCB Design ?

by Lily Zhang

Why is 50Ω the Golden Rule in PCB Design ?

The 50Ω impedance standard is a widely adopted "golden rule" in PCB design, especially for high-speed and RF (radio frequency) circuits. This value...
Posted in Impedance Control PCB

MOSFETs VS TRANSISTORS

by Lily Zhang

MOSFETs VS TRANSISTORS

The terms MOSFETs and transistors are often used interchangeably, but they refer to different types of devices within the broader category of trans...
Posted in Components Sourcing

Why Use a Pull-Up Resistor ?

by Lily Zhang

Why Use a Pull-Up Resistor ?

A pull-up resistor is a fundamental component in electronics, commonly used in digital circuits to ensure a stable and well-defined logic level on ...
Posted in PCB design

IMU300: The New Benchmark the new inertial measurement unit that surpasses STIM300

by Lily Zhang

IMU300: The New Benchmark the new inertial measurement unit that surpasses STIM300

Introduction In the realm of inertial measurement, the IMU300 has emerged as a remarkable device, revolutionizing the way we measure and understand...
Posted in IMU

9 best layout tips for designing power electronics PCBs

by Lily Zhang

9 best layout tips for designing power electronics PCBs

Designing power electronics PCBs requires careful attention to layout to ensure efficiency, reliability, and thermal management. Here are 9 best la...
Posted in PCB design

How does the inverter works ?

by Lily Zhang

How does the inverter works ?

An inverter is an electronic device that converts direct current (DC) into alternating current (AC). This conversion is essential for powering AC d...
Posted in inverter PCB

How to Optimize PCB Layout For High-Speed Signals ?

by Lily Zhang

How to Optimize PCB Layout For High-Speed Signals ?

Optimizing a PCB layout for high-speed signals is crucial to ensure signal integrity, minimize noise, and prevent issues like crosstalk, reflection...
Posted in high speed pcb

How do you choose stackup for your PCB ?

by Lily Zhang

How do you choose stackup for your PCB ?

Choosing the right PCB stackup is a critical step in designing a printed circuit board (PCB) that meets performance, cost, and manufacturability re...
Posted in #PCB design

What is the difference between rosin and flux?

by Lily Zhang

What is the difference between rosin and flux?

Rosin and flux are both used in soldering to improve the quality of solder joints, but they serve slightly different purposes and have distinct com...
Posted in desoldering