Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Patent
1998-03-19
2000-05-30
Le, Dinh T.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
327147, 327553, 327558, 331 1A, H03K 500
Patent
active
060695056
ABSTRACT:
A digitally controlled tuner circuit for continuous-time filters. Active RC integrators include digitally programmable feedback capacitors to allow for digital fine tuning of their time constant. The PLL-based tuner circuit includes a sine-wave oscillator made up of the digitally-controlled active RC integrators.
REFERENCES:
patent: 4959618 (1990-09-01), Shier
patent: 5006733 (1991-04-01), Brown
patent: 5021681 (1991-06-01), Colbeck et al.
patent: 5063309 (1991-11-01), Yamasaki
patent: 5117205 (1992-05-01), Nauta
patent: 5121085 (1992-06-01), Brown
patent: 5281931 (1994-01-01), Bailey et al.
patent: 5422603 (1995-06-01), Soyuer
patent: 5530399 (1996-06-01), Chambers et al.
patent: 5532636 (1996-07-01), Mar et al.
patent: 5592120 (1997-01-01), Palmet et al.
patent: 5629650 (1997-05-01), Gersbach et al.
patent: 5736880 (1998-04-01), Bruccoleri et al.
patent: 5767713 (1998-06-01), Williams
IEEE International Solid State Circuits Conference, Feb. 1996, Digest of Technical Papers, pp. 196-197.
IEEE Journal of Solid State Circuits, vol. SC-26, Dec. 1991, pp. 1988-1997.
"Monolithic Phase-Locked Loops and Clock Recovery Circuits," edited by Behzad Razavi, IEEE Press, 1996, p. and pp. 1 28-29.
IEEE Journal of Solid State Circuits, vol. SC-30, No. 11, Nov. 1995, pp. 1259-1266.
IEEE Journal of Solid State Circuits, vol. 28, No. 28, Dec. 1993, pp. 1254-1264.
Le Dinh T.
Plato Labs, Inc.
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