BUC PLL Unlock: How to Fix Power Supply Ripple and Maintain Stable Lock
A BUC loses its lock, and your entire Satcom link goes down. You’ve checked the reference signal, but the problem persists. The real cause might be hiding in plain sight. PLL unlock issues in BUCs are often caused by excessive power supply ripple, not just an unstable reference signal.1 To fix this, focus on your […]
Why Your BUC Power Readings Are Lie: Preventing Spectrum Analyzer Mixer Overload and VNA Calibration
Getting inaccurate BUC power readings? These errors can mess up your link budget and performance assessments. Follow these tips to ensure your spectrum analyzer gives you the right numbers. To accurately measure BUC output power, first connect a high-power external attenuator to protect your equipment. Then, use a calibrated spectrum analyzer and avoid overloading its […]
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