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.

Impedance Matching Devices

Explore impedance matching techniques and understand the differences between the various types of impedance matching devices, from step transitions to L-C networks, quarter-wave transformers and more.

Specifying VCOs for Clock Timing Circuits

Timing is everything for many systems, especially for modern electronic systems with high-speed data converters and high-resolution sampling. A clock source is “the keeper of time” in these systems and system timing performance is very much dependent upon the performance of its clock source. Many designers have learned to appreciate the flexibility of using voltage-controlled oscillators (VCOs) as clock sources.