What Steps Are Involved in Building a High-Performance RF Amplifier?
Starting your RF amplifier design directly in simulation software1? This common mistake leads to frustrating dead ends and wasted time when your topology fails under real-world conditions. The best process starts by defining detailed specifications based on the application. Then, you select the right transistor and topology. This is followed by simulation, layout, fabrication, and finally, rigorous testing to validate that the initial requirements have been met. That’s the high-level overview, but success is found in the details. As an engineer with 30 years of experience, I’ve seen many projects go sideways by skipping the most critical first step. It’s tempting to jump into a tool like ADS, but that’s […]
How Can an Ignored Frequency Response Ruin Your RF Test Sensitivity?
Your RF sensitivity test1s are failing, and you don’t know why. This hidden issue in your signal source2 might be the culprit, costing you valuable time and resources. A poor frequency response3 in a signal source causes its output power to vary across different frequencies. This inconsistency, known as poor flatness4, leads to inaccurate sensitivity measurements, especially at the edges of your frequency band, ultimately causing false test failures. I learned this lesson the hard way during a critical project. It’s a mistake that I’ll never forget, and it completely changed how I approach setting up any RF test. Let me walk you through a real-world scenario that highlights why […]
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