2026-09-26 21:00:00

RF Switch Selection: Insertion Loss, Isolation and the Charge Pump You Forgot

An RF switch looks like the simplest part in the chain until you notice it...
2026-09-26 20:00:00

SAW vs Dielectric vs LC Filters for 2.4 GHz IoT: How to Choose

A 2.4 GHz IoT node needs a preselect filter, and there are three very different...
2026-09-26 19:00:00

RF Attenuators and Limiters: Protecting the Front End Without Killing Sensitivity

Adding protection to a receiver front end is a trade between surviving a strong interferer...
2026-09-26 18:00:00

Power Amplifier Compression: The Real Cost of Pushing Past 1 dB

Running an amplifier past its 1 dB compression point feels free until you count the...
2026-09-26 17:00:00

Why Your 50-Ohm RF Trace Is Not 50 Ohm

Impedance calculators agree on paper and disagree on the bench. The difference is usually the...
2026-09-26 16:00:00

Insertion Loss Budget: How Filter Loss Eats Your Link Margin

A filter that passes your signal but also eats 3 dB of it feels free....
2026-09-26 15:00:00

Receiver Noise Figure Budget: How Many dB You Can Actually Afford

Every component in the receive chain adds noise. The question is not whether your LNA...
2026-09-26 14:00:00

RF Front-End Module vs Discrete Design: What Integration Actually Buys You

A front-end SoC-style module packs the switch, LNA, PA and matching into one substrate. A...
2026-09-22 21:00:00

Substitution Checklist: The Hidden Costs Behind an MCU Change and How to Price Them

The six-line comparison we run before approving any microcontroller substitution: silicon, board area, assembly, support...
2026-09-22 20:00:00

Wireless MCU BOM Cost: The AT32WB415 Against a Split MCU plus Radio Design

A defensible RF cost model for wireless designs: split MCU plus radio versus a single...
2026-09-22 19:00:00

Artery Entry-Tier AT32F421 F423 F425: What They Do Well and Where to Spend More

A practical boundary guide for the AT32 entry-tier parts: the five designs where they are...
2026-09-22 18:00:00

Automotive MCU Cost: Qualification, Validation and the AT32A423 vs AT32A403A Decision

Where the real cost of an automotive-grade AT32 part sits: qualification, validation, package options and...