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Quadrature waveform generator with enhanced performances

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2 Author(s)
Maloberti, F. ; Dept. of Electron., Pavia Univ., Italy ; Signorelli, M.

A method to improve either amplitude matching and phase shift in RF quadrature waveform generators is presented. The used technique extends the RC-CR shift-phase approach and achieves a geometrical property of figures made by triangles. The method, implemented with a 0.8 /spl mu/m BiCMOS technology, allows us to improve the 900 MHz amplitude matching from 38% to 4% and to improve the phase error from 3/spl deg/ to 0.1.

Published in:

VLSI Circuits, 1998. Digest of Technical Papers. 1998 Symposium on

Date of Conference:

11-13 June 1998