Diodes & Rectifiers
How Many Diodes Are Used in a Bridge Rectifier?
A standard single-phase full-wave bridge rectifier uses four diodes. Learn which pair conducts on each half-cycle and how diode losses, ratings, and recovery affect the…
Technical knowledge hub
Articles by motsunjowen@gmail.com
Technical guidance, application perspectives and reliability practices for power semiconductor design.
All articles
101 results
Power Supply
What Is a Switching Power Supply?
A switching power supply regulates voltage by rapidly switching semiconductor devices and transferring energy through inductors or transformers. Learn its stages, topologies, benefits, losses, and…
SiC & GaN
How to Design an RF Amplifier Using GaN Transistors
Design a GaN RF power amplifier by defining the operating target, selecting and biasing the transistor, proving stability, synthesizing source and load matches, controlling harmonics,…
Design & Reliability
How to Test a MOSFET With a Multimeter Step by Step
Test N-channel and P-channel MOSFETs with a digital multimeter by checking gate insulation, body-diode direction, shorts, and gate-controlled conduction.
Power MOSFETs
Is a MOSFET a Transistor? Types and Key Differences
Yes, a MOSFET is a field-effect transistor. See how it controls current and how it differs from BJTs, JFETs, IGBTs, and CMOS technology.
Power MOSFETs
How to Wire a MOSFET: Low-Side and High-Side Circuits
Wire a MOSFET correctly with the right source, drain, gate, pull resistor, flyback path, ground reference, decoupling, and high-side driver connections.
Power MOSFETs
How to Use a MOSFET: Selection, Gate Drive, and Circuit Design
Learn how to select, drive, protect, and apply a MOSFET as a low-side or high-side switch for loads, PWM control, and power electronics.
Design & Reliability
How to Check a MOSFET: A Practical Fault-Finding Guide
Use a structured workflow to check a MOSFET for shorts, gate damage, drive faults, abnormal waveforms, and thermal problems in or out of circuit.