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Interstacked Transformer Quad-Core VCOs
- Daniele Tripoli,
- Giorgio Maiellaro,
- Santi Concetto Pavone and
- Egidio Ragonese
This paper presents for the first time a quad-core oscillator based on a very compact interstacked transformer that tightly couples the four cores without oscillation mode ambiguity thanks to its strong magnetic coupling factor. As a proof of concept...