Fully integrated tuner architecture

Details Fully integrated tuner architecture Fully integrated tuner architecture

2008-07-30

2010-10-26

Hsia, Sherrie (Department: 2622)

Television

Receiver circuitry

Demodulator

C348S731000, C455S314000, C455S302000

Reexamination Certificate

active

07821581

ABSTRACT:
An integrated receiver with channel selection and image rejection substantially implemented on a single CMOS integrated circuit is described. A receiver front end provides programmable attenuation and a programmable gain low noise amplifier. Frequency conversion circuitry advantageously uses LC filters integrated onto the substrate in conjunction with image reject mixers to provide sufficient image frequency rejection. Filter tuning and inductor Q compensation over temperature are performed on chip. The filters utilize multi track spiral inductors. The filters are tuned using local oscillators to tune a substitute filter, and frequency scaling during filter component values to those of the filter being tuned. In conjunction with filtering, frequency planning provides additional image rejection. The advantageous choice of local oscillator signal generation methods on chip is by PLL out of band local oscillation and by direct synthesis for in band local oscillator. The VCOs in the PLLs are centered using a control circuit to center the tuning capacitance range. A differential crystal oscillator is advantageously used as a frequency reference. Differential signal transmission is advantageously used throughout the receiver.

REFERENCES:
patent: 1342885 (1920-06-01), Armstrong
patent: 1773980 (1930-08-01), Farnsworth
patent: 2650265 (1953-08-01), Mountjoy
patent: 3824491 (1974-07-01), Treadway
patent: 3839676 (1974-10-01), Linnecar
patent: 3939429 (1976-02-01), Lohn et al.
patent: 4027242 (1977-05-01), Yamanaka
patent: 4061980 (1977-12-01), Sato
patent: 4097899 (1978-06-01), Yu
patent: 4139866 (1979-02-01), Wegner
patent: 4141209 (1979-02-01), Barnett et al.
patent: 4162452 (1979-07-01), Ash
patent: 4169659 (1979-10-01), Marlowe
patent: 4176351 (1979-11-01), DeVita et al.
patent: 4211975 (1980-07-01), Kuroda
patent: 4282549 (1981-08-01), Balaban et al.
patent: 4305053 (1981-12-01), Naitoh et al.
patent: 4321565 (1982-03-01), Ward
patent: 4322856 (1982-03-01), Ohta et al.
patent: 4328531 (1982-05-01), Nagashima et al.
patent: 4340975 (1982-07-01), Onishi et al.
patent: 4352209 (1982-09-01), Ma
patent: 4353039 (1982-10-01), Huntley
patent: 4353132 (1982-10-01), Saitoh et al.
patent: 4395777 (1983-07-01), Oki et al.
patent: 4402089 (1983-08-01), Knight et al.
patent: 4408347 (1983-10-01), Ash
patent: 4419770 (1983-12-01), Yagi et al.
patent: 4467272 (1984-08-01), Hassler et al.
patent: 4496979 (1985-01-01), Yu et al.
patent: 4499602 (1985-02-01), Hermeling, Jr. et al.
patent: 4520507 (1985-05-01), Moon
patent: 4553264 (1985-11-01), Hasegawa et al.
patent: 4554584 (1985-11-01), Elam et al.
patent: 4555809 (1985-11-01), Carlson
patent: 4569084 (1986-02-01), Takahama
patent: 4580289 (1986-04-01), Enderby
patent: 4581643 (1986-04-01), Carlson
patent: 4584715 (1986-04-01), Baars et al.
patent: 4614925 (1986-09-01), Kane
patent: 4619001 (1986-10-01), Kane
patent: 4627100 (1986-12-01), Takano
patent: 4631603 (1986-12-01), Ryan
patent: 4633315 (1986-12-01), Kasperkovittz
patent: 4661995 (1987-04-01), Kashiwagi
patent: 4688263 (1987-08-01), Aldridge
patent: 4689740 (1987-08-01), Moelands et al.
patent: 4726072 (1988-02-01), Yamashita et al.
patent: 4739390 (1988-04-01), Achiha et al.
patent: 4742566 (1988-05-01), Nordholt et al.
patent: 4745478 (1988-05-01), Nakagawa et al.
patent: 4776040 (1988-10-01), Ichikawa et al.
patent: 4789976 (1988-12-01), Fujishima
patent: 4812772 (1989-03-01), Hatfield
patent: 4818903 (1989-04-01), Kawano
patent: 4855835 (1989-08-01), Tobita
patent: 4876737 (1989-10-01), Woodworth et al.
patent: 4879758 (1989-11-01), DeLuca et al.
patent: 4885802 (1989-12-01), Ragan
patent: 4903329 (1990-02-01), Marik et al.
patent: 4918532 (1990-04-01), O'Connor
patent: 4918748 (1990-04-01), Shahriary et al.
patent: 4979230 (1990-12-01), Marz
patent: 5006727 (1991-04-01), Rogosch et al.
patent: 5010400 (1991-04-01), Oto
patent: 5014349 (1991-05-01), Kubo et al.
patent: 5020147 (1991-05-01), Okanobu
patent: 5028887 (1991-07-01), Gilmore
patent: 5031233 (1991-07-01), Ragan
patent: 5038404 (1991-08-01), Marz
patent: 5049831 (1991-09-01), Westwick
patent: 5060297 (1991-10-01), Ma et al.
patent: 5077541 (1991-12-01), Gilbert
patent: 5093922 (1992-03-01), Kubo et al.
patent: 5140198 (1992-08-01), Atherly et al.
patent: 5142369 (1992-08-01), Grubbs et al.
patent: 5142370 (1992-08-01), Wignot et al.
patent: 5142371 (1992-08-01), Lehmann
patent: 5144439 (1992-09-01), Wignot
patent: 5144440 (1992-09-01), Wignot et al.
patent: 5146337 (1992-09-01), Grubbs
patent: 5146338 (1992-09-01), Lehmann et al.
patent: 5148280 (1992-09-01), Wignot et al.
patent: 5179729 (1993-01-01), Mishima et al.
patent: 5200826 (1993-04-01), Seong
patent: 5203032 (1993-04-01), Usui
patent: 5212817 (1993-05-01), Atkinson
patent: 5212824 (1993-05-01), Mishima et al.
patent: 5251324 (1993-10-01), McMullan, Jr.
patent: 5265267 (1993-11-01), Martin et al.
patent: 5280639 (1994-01-01), Kubo
patent: 5311318 (1994-05-01), Dobrovolny
patent: 5317216 (1994-05-01), Hosoya et al.
patent: 5321852 (1994-06-01), Seong
patent: 5355524 (1994-10-01), Higgins, Jr.
patent: 5355532 (1994-10-01), Kubo et al.
patent: 5361406 (1994-11-01), Wignot et al.
patent: 5361407 (1994-11-01), Sawada et al.
patent: 5365551 (1994-11-01), Snodgrass et al.
patent: 5369440 (1994-11-01), Sussman
patent: 5390346 (1995-02-01), Marz
patent: 5392011 (1995-02-01), Li
patent: 5398080 (1995-03-01), Sakashita et al.
patent: 5410270 (1995-04-01), Rybicki et al.
patent: 5410735 (1995-04-01), Borchardt et al.
patent: 5420646 (1995-05-01), Dobrovolny
patent: 5423076 (1995-06-01), Westergren et al.
patent: 5428829 (1995-06-01), Osburn et al.
patent: 5428836 (1995-06-01), Sanecki et al.
patent: 5442318 (1995-08-01), Badyal et al.
patent: 5479449 (1995-12-01), Patel et al.
patent: 5493210 (1996-02-01), Orndorff et al.
patent: 5500650 (1996-03-01), Snodgrass et al.
patent: 5524281 (1996-06-01), Bradley et al.
patent: 5563545 (1996-10-01), Scheinberg
patent: 5564098 (1996-10-01), Rodal et al.
patent: 5568512 (1996-10-01), Rotzoll
patent: 5581213 (1996-12-01), Linder et al.
patent: 5583850 (1996-12-01), Snodgrass et al.
patent: 5584066 (1996-12-01), Okanobu
patent: 5587688 (1996-12-01), Mulbrook
patent: 5625307 (1997-04-01), Scheinberg
patent: 5625325 (1997-04-01), Rotzoll et al.
patent: 5627544 (1997-05-01), Snodgrass et al.
patent: 5630214 (1997-05-01), Yamamoto et al.
patent: 5633927 (1997-05-01), Ryan et al.
patent: 5640213 (1997-06-01), Miyahara et al.
patent: 5648744 (1997-07-01), Prakash et al.
patent: 5686864 (1997-11-01), Martin et al.
patent: 5715012 (1998-02-01), Patel et al.
patent: 5715282 (1998-02-01), Mansouri et al.
patent: 5717718 (1998-02-01), Rowsell et al.
patent: 5717730 (1998-02-01), Prakash et al.
patent: 5722040 (1998-02-01), Bjerede et al.
patent: 5737035 (1998-04-01), Rotzoll
patent: 5739730 (1998-04-01), Rotzoll
patent: 5757220 (1998-05-01), Murden et al.
patent: 5784523 (1998-07-01), Quan et al.
patent: 5790946 (1998-08-01), Rotzoll
patent: 5805988 (1998-09-01), Clayton et al.
patent: 5826180 (1998-10-01), Golan
patent: 5828589 (1998-10-01), Degenhardt
patent: 5847612 (1998-12-01), Birleson
patent: 5874857 (1999-02-01), Roth et al.
patent: 5914630 (1999-06-01), Peterson
patent: 5920241 (1999-07-01), Mazzochette
patent: 5930696 (1999-07-01), Tzuang et al.
patent: 5949295 (1999-09-01), Schmidt
patent: 5953417 (1999-09-01), Quan
patent: 6101371 (2000-08-01), Barber et al.
patent: 6160571 (2000-12-01), Wang
patent: 6163684 (2000-12-01), Birleson
patent: 6169569 (2001-01-01), Widmer et al.
patent: 6177964 (2001-01-01), Birleson et al.
patent: 6285865 (2001-09-01), Vorenkamp et al.
patent: 6308056 (2001-10-01), Abe et al.
patent: 6377315 (2002-04-01), Carr et al.
patent: 6426680 (2002-07-01), Duncan et al.
patent: 6504420 (2003-01-01), Vorenkamp et al.
patent: 6591091 (2003-07-01), Vorenkamp et al.
patent: 6696898 (2004-02-01), Ward et al.
patent: 6879816 (2005-04-01), Bult et al.
patent: 6885275 (2005-04-01), Chang
patent: 6985035 (2006-01-01), Khorramabadi
patent: 7092043 (2006-08-01), Vorenkamp et al.
patent: 7423699 (2008-09-01), Vorenkamp et al.
pa

Affiliated with

Also associated with

Rating

Fully integrated tuner architecture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fully integrated tuner architecture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fully integrated tuner architecture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4217603