Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 1 of 263
`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 1 of 263
`
`
`
`EXHIBIT 3
`EXHIBIT 3
`
`

`

`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 2 of 263
`
`
`
`11111111111111101111111111p1111)11021j111111111111111110111111
`
`(12) United States Patent
`Sorrells et al.
`
`(to) Patent No.:
`(45) Date of Patent:
`
`US 6,580,902 B1
`Jun. 17, 2003
`
`(54) FREQUENCY TRANSLATION USING
`OPTIMIZED SWITCH STRUCTURES
`
`(75)
`
`Inventors: David F. Sorrells, Middleburg, FL
`(US); Michael J. Bultman,
`Jacksonville, FL (US); Robert W.
`Cook, Switzerland, FL (US); Richard
`C. Looke, Jacksonville, FL (US);
`Charley D. Moses, Jr., DeBary, FL
`(US)
`
`(73) Assignee: ParkerVision, Inc., Jacksonville, FL
`(US)
`
`( * ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21) Appl. No.: 09/293,095
`
`(22) Filed:
`
`Apr. 16, 1999
`
`Related U.S. Application Data
`
`FOREIGN PATENT DOCUMENTS
`
`DE
`DE
`DE
`EP
`
`35 41 031 Al
`42 37 692 Cl
`197 35 798 Cl
`0 035 166 Al
`
`5/1986
`3/1994
`7/1998
`9/1981
`
`
`
`
`
`
` HO3D/3/00
` HO4B/1/26
` HO4L/27/O0
` HO4B/1/26
`
`(List continued on next page.)
`
`OTHER PUBLICATIONS
`
`Aghvami, H. et al., "Land Mobile Satellites Using the
`Highly Elliptic Orbits— The UK T—SAT Mobile Payload,"
`Fourth International Conference on Satellite Systems for
`Mobile Communications and Navigation, IEE, pp. 147-153
`(Oct. 17-19, 1988).
`Akers, N.P. et al., "RF Sampling Gates: a Brief Review,"
`IEE Proceedings, IEE, vol. 133, Part A, No. 1, pp. 45-49
`(Jan. 1986).
`
`(List continued on next page.)
`
`Primary Examiner—Vivian Chin
`Assistant Examiner—James K Moore
`(74) Attorney, Agent, or Firm—Sterne, Kessler, Goldstein
`& Fox PLLC
`
`(63) Continuation-in-part of application No. 09/176,022, filed on
`Oct. 21, 1998, now Pat. No. 6,061,551.
`
`(57)
`
`ABSTRACT
`
`(51) Int. C1.7
`(52) U.S. Cl.
`
`(58) Field of Search
`
` HO4B 1/28
` 455/333; 455/313; 329/362;
`329/369
` 455/313, 333,
`455/323; 329/361, 362, 369, 358
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
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`2,241,078 A
`2,270,385 A
`2,283,575 A
`2,358,152 A
`2,410,350 A
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`2,462,069 A
`2,462,181 A
`2,472,798 A
`
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`
`250/8
`179/15
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`250/17
`250/17
`178/44
`
`Methods, systems, and apparatuses for down-converting an
`electromagnetic (EM) signal by aliasing the EM signal are
`described herein. Briefly stated, such methods, systems, and
`apparatuses operate by receiving an EM signal and an
`aliasing signal having an aliasing rate. The EM signal is
`aliased according to the aliasing signal to down-convert the
`EM signal. The term aliasing, as used herein, refers to both
`down-converting an EM signal by under-sampling the EM
`signal at an aliasing rate, and down-converting an EM signal
`by transferring energy from the EM signal at the aliasing
`rate. In an embodiment, the EM signal is down-converted to
`an intermediate frequency (IF) signal. In another
`embodiment, the EM signal is down-converted to a demodu-
`lated baseband information signal. In another embodiment,
`the EM signal is a frequency modulated (FM) signal, which
`is down-converted to a non-FM signal, such as a phase
`modulated (PM) signal or an amplitude modulated (AM)
`signal.
`
`(List continued on next page.)
`
`15 Claims, 178 Drawing Sheets
`
`12602
`
`MIO
`
`12604 12606
`_
`
`12
`
`12608 12610
`_
`
`M13
`
`12612 12614
`)
`15
`
`16
`
`12620
`12616 12618
`
`7
`
`18
`
`M20 1.
`642
`
`
`V2 3.3
`
`TO= 150s
`f5Opps
`IF=
`PW=
`M P'
`PEE
`cp..
`nA.
`OD
`
`VI
`
`20u
`Ing=.5u
`
`d Ou
`Ing=.5u
`
`d=20u
`W
`Ing=.5u
`
`Wd Ou
`Ing=.5u
`
`Wd=20u
`ng=.5u
`
`Wd= Ou
`Ing=.5u
`
`d=20u
`Ing=.5u
`
`d= Ou
`Ing=.5u
`
`Wr1=20u
`Ing=.5u
`
`d= Ou
`Ing=.5u
`
`Wtl=20u
`Ing-.5u
`
`Wd=20u
`Ing=.5u
`
`Wd.20u
`Ing=.5u
`
`Wd.20u
`Ing=.5u
`
`Wd=20u
`Ing=.5u
`
`Wd=20u
`Ing=.5u
`
`Wd.20u
`Ing..5u
`
`Wd.20u
`Ing..5u
`
`Wd=20u
`Ing=.5u
`
`Wd=20u
`Ing=.5u
`
`1.9 s
``12640 12622
`
`I v ni
`
`3
`
`M5
`
`s 4
`
`7 s
`
`s M6
`
`9 s
`
`MO
`
`M2
`
`1211624 12626
`
`12628 12630
`
`12632 12694
`
`12636 12630
`12640
`
`44
`
`2
`
`Vdd
`
`V3
`3.3V=
`
`V2
`.75V =
`
`sub
`
`41;Igg,
`
`SP2
`
`Cl
`
`20pf
`
`SP1
`
`R2
`
`0000
`
`50
`
`n3
`
`V4
`
`2646
`
`

`

`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 3 of 263
`
`US 6,580,902 B1
`Page 2
`
`U.S. PATENT DOCUMENTS
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`179/15 BM
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`322/65
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`307/220 R
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`364/724
`363/158
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`
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`4,456,990 A
`4,472,785 A
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`4,563,773 A
`4,577,157 A
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`4,591,736 A
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`4,603,300 A
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`
`

`

`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 4 of 263
`
`US 6,580,902 B1
`Page 3
`
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`
`

`

`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 5 of 263
`
`US 6,580,902 B1
`Page 4
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`375/219
`342/357
`327/105
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`375/260
`375/316
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`455/302
`332/178
`375/346
`363/146
`333/195
`327/341
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`331/14
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`331/3
`375/344
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`455/126
`327/554
`348/725
`327/113
`375/347
`375/367
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`329/304
`327/105
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`363/72
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`333/193
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`348/725
`359/180
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`375/326
`341/144
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`375/316
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`
`

`

`Case 6:20-cv-00945-ADA Document 33-4 Filed 08/23/21 Page 6 of 263
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`US 6,580,902 B1
`Page 5
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`FOREIGN PATENT DOCUMENTS
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`EP
`EP
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`EP
`EP
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`EP
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`WO
`WO
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`0 099 265 Al
`0 276 130 A2
`0 276 130 A3
`0 193 899 B1
`0 380 351 A2
`0 380 351 A3
`0 411 840 A2
`0 423 718 A2
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`0 423 718 A3
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`0 512 748 A3
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`2 161 344 A
`2 215 945 A
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`58-7903
`58-133004
`59-144249
`60-58705
`63-54002
`63-65587
`63-153691
`2-39632
`2-131629
`2-276351
`4-123614
`4-127601
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`WO 94/05087 Al
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`HO3B/19/14
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