Engineering Resources OLD

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Demystifying Transformers: Baluns and Ununs

Baluns and ununs are as essential in RF and microwave signal chains as they are confusing to engineers working with them. Review the basics, key parameters, different types and common applications of these critical building blocks for any circuit utilizing both single-ended and balanced architectures.

Stabilizing Multiplier Chain Conversion Efficiency with Reflectionless Filters

Reflections from out of band signals in multiplier chains have been a longstanding problem for circuit designers grappling with unwanted effects of frequency translation. This experiment shows how reflectionless filters can eliminate standing waves and dramatically improve conversion loss efficiency when paired with frequency doublers and X4 multiplier chains.