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A /spl plusmn/30% tuning range varactor compatible with future scaled technologies

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4 Author(s)
R. Castello ; Dipt. di Elettronica, Pavia Univ., Italy ; P. Erratico ; S. Manzini ; F. Sveito

A /spl plusmn/30% capacitance modulation of a new variable capacitor has been achieved for a 2 V variation in the controlling bias voltage. The realized varactor is based on a polysilicon/oxide/n-well structure, implemented in a 0.35 /spl mu/m standard CMOS process. The quality factor for a 3.1 pF sample ranges from 17 to 33, at 1800 MHz.

Published in:

VLSI Circuits, 1998. Digest of Technical Papers. 1998 Symposium on
IEEE RFIC Virtual Journal
IEEE RFID Virtual Journal

Date of Conference:

11-13 June 1998