Articles by Ed Schoepke
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RF Voltage Limitations Of A Multi-Layer Ceramic Capacitor In High-Current Applications
8/5/2015
When putting high RF currents through a multi-layer ceramic capacitor (MLCC), the heating of the MLCC is just one important factor in the limitation of that current. Also important is the voltage that appears across the capacitor relative to the rating of the part. The reactive voltage developed can be much larger than the supplied voltage if the reactance is large, such as at the lower RF frequencies, or when the capacitance value is small. If this voltage is greater than the rated voltage of the part, a catastrophic failure of the part can occur. Download the full application note to examine this topic in detail.
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Application Note: Chip Antenna Layout Considerations for 802.11 Applications
3/25/2004
Chip antenna matching and radiation pattern performance can be dramatically affected by the design/layout of a circuit...
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Technical Note: Johanson Technology Chip Balun -- Definitions & Measurement Methodology
10/29/2003
A balun (a compound term meaning "balanced-unbalanced") is a device designed to transform impedance...