Overlapped inductors and its application on a shared RF front-end in a MultiStandard IC

Overlapped inductors and its application on a shared RF front-end in a MultiStandard IC

A technique to build overlapped inductors at the same location while keeping good isolation between them is presented. The key idea is to use magnetic and electric cancellation to reduce coupling. A shared LNA for WiFi and Bluetooth (BT) applications using the overlapped inductor is proposed. It ena...

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Bibliographische Detailangaben
Hauptverfasser: Lei Feng, Sadhwani, R., Peperovits, Y., Hull, C., Jensen, J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Couplings
Gain
Gain control
IEEE 802.11 Standards
Inductors
Magnetic fields
Radio frequency
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Beschreibung
Zusammenfassung:A technique to build overlapped inductors at the same location while keeping good isolation between them is presented. The key idea is to use magnetic and electric cancellation to reduce coupling. A shared LNA for WiFi and Bluetooth (BT) applications using the overlapped inductor is proposed. It enables independent gain control up to the first RF stage in a receiver so that the system integration complexity is reduced.
ISSN:0886-5930
2152-3630
DOI:10.1109/CICC.2011.6055390