FI934832A - Skifte av frekvensomraode och bandbredd i en mottagare med en blandare som daempar som daempar spegelfrekvensen - Google Patents
Skifte av frekvensomraode och bandbredd i en mottagare med en blandare som daempar som daempar spegelfrekvensen Download PDFInfo
- Publication number
- FI934832A FI934832A FI934832A FI934832A FI934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A FI 934832 A FI934832 A FI 934832A
- Authority
- FI
- Finland
- Prior art keywords
- bandwidth
- receiver
- changing
- frequency
- attenuator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI934832A FI109736B (sv) | 1993-11-01 | 1993-11-01 | Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen |
US08/330,972 US6374093B1 (en) | 1993-11-01 | 1994-10-28 | Shifting of frequency range and bandwidth of receivers using a mixer attenuating the image frequency |
ES94308041T ES2145812T3 (es) | 1993-11-01 | 1994-11-01 | Convertidor de frecuencia para rechazo de frecuencias imagen utilizado como receptor multibanda. |
EP94308041A EP0651522B1 (en) | 1993-11-01 | 1994-11-01 | Image rejection frequency converter as multi-band receiver |
DE69424622T DE69424622T2 (de) | 1993-11-01 | 1994-11-01 | Frequenzumsetzer mit Beseitigung der Spiegelfrequenz als mehrbandiger Empfänger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI934832A FI109736B (sv) | 1993-11-01 | 1993-11-01 | Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen |
FI934832 | 1993-11-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI934832A0 FI934832A0 (fi) | 1993-11-01 |
FI934832A true FI934832A (sv) | 1995-05-02 |
FI109736B FI109736B (sv) | 2002-09-30 |
Family
ID=8538885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI934832A FI109736B (sv) | 1993-11-01 | 1993-11-01 | Skifte av frekvensområde och bandbredd i en mottagare med en blandare som dämpar spegelfrekvensen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6374093B1 (sv) |
EP (1) | EP0651522B1 (sv) |
DE (1) | DE69424622T2 (sv) |
ES (1) | ES2145812T3 (sv) |
FI (1) | FI109736B (sv) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5937341A (en) | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
US6633550B1 (en) | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
US6442382B1 (en) * | 1997-06-27 | 2002-08-27 | Agere Systems Guardian Corp. | Filter switching system and method |
DK0932251T3 (da) | 1998-01-23 | 2005-05-23 | Siemens Ag | Radiosender og radiomodtager |
GB2338853B (en) | 1998-06-18 | 2002-11-06 | Ericsson Telefon Ab L M | Radio receiver |
JP3638091B2 (ja) * | 1999-03-25 | 2005-04-13 | 松下電器産業株式会社 | マルチバンドデータ通信装置、マルチバンドデータ通信装置の通信方法および記録媒体 |
US7184724B1 (en) | 2000-04-18 | 2007-02-27 | Microtune (Texas), L.P. | System and method for frequency translation using an image reject mixer |
DE60037722T2 (de) * | 2000-05-17 | 2009-01-15 | Sony Deutschland Gmbh | AM Empfänger |
SE519614C2 (sv) * | 2001-07-18 | 2003-03-18 | Spirea Ab | Flerstandardssändtagare med trebandsarkitektur för WLAN |
US6737922B2 (en) * | 2002-01-28 | 2004-05-18 | Cree Microwave, Inc. | N-way RF power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division |
US7167698B2 (en) * | 2002-11-07 | 2007-01-23 | Northrop Grumman Corporation | Balanced sub-harmonic mixer |
US20050143038A1 (en) * | 2003-12-29 | 2005-06-30 | Transcore | Very low intermediate frequency image rejection receiver with image interference detection and avoidance |
US7272375B2 (en) | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
KR100604396B1 (ko) | 2005-05-06 | 2006-07-25 | 진주산업대학교 산학협력단 | 무선주파수 누설성분이 억제된 마이크로파 공액 위상변위기 |
US10629978B2 (en) * | 2017-10-30 | 2020-04-21 | International Business Machines Corporation | Multi-path interferometric Josephson isolator based on nondegenerate three-wave mixing Josephson devices |
US10311379B1 (en) | 2017-12-01 | 2019-06-04 | International Business Machines Corporation | Isolation of frequency multiplexed microwave signals using cascading multi-path interferometric josephson isolators with nonoverlapping bandwidths |
US10396731B2 (en) | 2017-12-01 | 2019-08-27 | International Business Machines Corporation | Selective amplification of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson directional amplifiers with nonoverlapping bandwidths |
US10511072B2 (en) | 2017-12-01 | 2019-12-17 | International Business Machines Corporation | Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths |
US10396732B2 (en) | 2017-12-01 | 2019-08-27 | International Business Machines Corporation | Amplification of frequency multiplexed microwave signals using cascading multi-path interferometric josephson directional amplifiers with nonoverlapping bandwidths |
US10262275B1 (en) | 2017-12-01 | 2019-04-16 | International Business Machines Corporation | Selective switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths |
US10169722B1 (en) | 2017-12-01 | 2019-01-01 | International Business Machines Corporation | Selective isolation of frequency multiplexed microwave signals using cascading multi-path interferometric josephson isolators with nonoverlapping bandwidths |
US10855317B2 (en) * | 2018-04-05 | 2020-12-01 | Swiftlink Technologies Inc. | Broadband receiver for multi-band millimeter-wave wireless communication |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4135158A (en) | 1975-06-02 | 1979-01-16 | Motorola, Inc. | Universal automotive electronic radio |
JPS5826699B2 (ja) * | 1975-11-13 | 1983-06-04 | ソニー株式会社 | チユ−ナ |
US4207532A (en) * | 1978-12-14 | 1980-06-10 | Rca Corporation | Frequency signal splitting circuit |
JPS63138819A (ja) * | 1986-11-29 | 1988-06-10 | Murata Mfg Co Ltd | テレビチユ−ナ− |
IT1233437B (it) | 1987-12-24 | 1992-03-31 | Gte Telecom Spa | Perfezionamento a un convertitore armonico di frequenza a soppressione di immagine operante nel campo delle microonde. |
IT1239637B (it) | 1990-02-21 | 1993-11-11 | Sits Soc It Telecom Siemens | Convertitore di frequenza a reiezione d'immagine realizzato in tecnologia planare |
US5214796A (en) | 1991-03-29 | 1993-05-25 | Motorola, Inc. | Image separation mixer |
JPH05102899A (ja) * | 1991-08-16 | 1993-04-23 | Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk | 多周波通信方式 |
JPH0583153A (ja) * | 1991-09-19 | 1993-04-02 | Toshiba Corp | 広帯域同調回路 |
-
1993
- 1993-11-01 FI FI934832A patent/FI109736B/sv active
-
1994
- 1994-10-28 US US08/330,972 patent/US6374093B1/en not_active Expired - Fee Related
- 1994-11-01 ES ES94308041T patent/ES2145812T3/es not_active Expired - Lifetime
- 1994-11-01 EP EP94308041A patent/EP0651522B1/en not_active Expired - Lifetime
- 1994-11-01 DE DE69424622T patent/DE69424622T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6374093B1 (en) | 2002-04-16 |
ES2145812T3 (es) | 2000-07-16 |
DE69424622D1 (de) | 2000-06-29 |
EP0651522A1 (en) | 1995-05-03 |
DE69424622T2 (de) | 2001-03-15 |
EP0651522B1 (en) | 2000-05-24 |
FI109736B (sv) | 2002-09-30 |
FI934832A0 (fi) | 1993-11-01 |
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