ALLPCB
Push-Pull vs Open-Drain Output Modes
Compare microcontroller push-pull vs open-drain GPIO: operation, pros/cons, use cases and pull-up tradeoffs.
Half-Wave and Full-Wave Rectifiers: Key Differences
Explore key differences between half-wave and full-wave rectifiers, their efficiency, and applications in AC to DC conversion.
Understanding AGND and DGND Grounding Practices
Practical grounding and decoupling guide for mixed-signal systems covering ground plane, AGND/DGND strategies, PCB layout, and ADC/DAC clock and return-path issues.
What Is Diode Clamping? Applications of Clamping Protection
Overview of diode clamp and clamping circuit operation, positive/negative and bias clamps, RC time-constant design, component selection, and protection applications.
Capacitive Dropper: Theory and Practical Circuits
Capacitive dropper guide: principles, practical circuits, component choices, pros, limits and safety for low-power mains supplies.
China SiC Substrate Prices Fall in 2024; 800V Adoption Nears
Analysis of China SiC substrate price decline in 2024: domestic prices plunged vs global quotes, driven by capacity expansion, competition and potential price war.
Understanding MOSFET Parameters
MOSFET technical summary of electrical and thermal specs: key ratings (VDSS, VGS, ID), thermal resistance RθJA and Tj calculation, capacitances, gate charge and switching timings.
Overview of BJT, MOS, CMOS and DMOS Semiconductor Processes
Overview of transistor/process technologies—BJT, MOS, CMOS, DMOS, BiCMOS, BCD: differences, benefits and applications from logic to power.
Derating Guidelines for Power Supply Components
Practical derating guidelines for power-supply components: rules, accelerated-test models, and component-specific limits (ICs, capacitors, MOSFETs, resistors) for reliability.
Why Add a 100Ω Gate Resistor to MOSFETs
Why use a MOSFET gate resistor? Learn how Rg (often ~100Ω) damps gate/drain ringing, balances switching speed and losses, and how to choose Rg.