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RF Power Amplifier: Functions and Applications
RF power amplifiers and LNAs explained: boost range, improve signal quality, and enable compact FEMs for Wi?Fi and cellular.
Why the Inductor Is the Hard Part in Buck Converters
Analysis of key components in a buck converter, focusing on why the inductor selection and inductance calculation pose the primary design challenge.
Crystal Growth Methods for Lowering SiC Substrate Costs
Technical overview of silicon carbide substrate production comparing PVT, liquid-phase and HTCVD crystal growth methods, challenges and advances in scaling low-defect wafers.
Silicon NPN Transistor Manufacturing and Current Control
Guide to silicon NPN transistors: structure, operation, key parameters, temperature effects, naming, packaging and selection tips.
Power MOSFET UIS/UIL Behavior and Limits
Technical overview of MOSFET UIS avalanche ratings and SOA, covering Ipk vs tav behavior, thermal and die-volume limits, non-thermal failures, and repeated-avalanche effects.
Design of Non-Discharging RCD Snubber for SiC MOSFET
Analysis of non-discharging RCD snubber design for SiC MOSFETs: CSNB/RSNB selection, surge clamping, reduced ringing, and effects on switching loss and efficiency.
RF Impedance Response of High-Frequency Resistors
Explore high-frequency resistor types, parasitic equivalent models and RF impedance behavior for SMD thin-film resistors, including resonance effects.
MOSFET Application Circuits
Explore practical MOSFET applications in electronic circuits, including level shifting, switching, and reverse polarity protection.
Hidden Pitfalls of Inverting Input Amplifiers
Explains how an inverting amplifier's low input impedance (equal to Rin) and source internal resistance reduce closed-loop gain, causing gain error and instability.
Fast Overvoltage Protection Circuit Design
Practical overvoltage protection: TVS diode selection, PTC coordination, and active disconnect circuits to protect power supplies.