DK484188A - Togrens modtager - Google Patents
Togrens modtagerInfo
- Publication number
- DK484188A DK484188A DK484188A DK484188A DK484188A DK 484188 A DK484188 A DK 484188A DK 484188 A DK484188 A DK 484188A DK 484188 A DK484188 A DK 484188A DK 484188 A DK484188 A DK 484188A
- Authority
- DK
- Denmark
- Prior art keywords
- train receiver
- train
- receiver
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
- H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP87201666A EP0305602B1 (en) | 1987-09-03 | 1987-09-03 | Dual branch receiver |
EP87201666 | 1987-09-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK484188D0 DK484188D0 (da) | 1988-08-31 |
DK484188A true DK484188A (da) | 1989-03-04 |
DK169189B1 DK169189B1 (da) | 1994-09-05 |
Family
ID=8197661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK484188A DK169189B1 (da) | 1987-09-03 | 1988-08-31 | Togrens modtager |
Country Status (7)
Country | Link |
---|---|
US (1) | US4910800A (da) |
EP (1) | EP0305602B1 (da) |
JP (1) | JP2628710B2 (da) |
KR (1) | KR960015279B1 (da) |
DE (1) | DE3784930T2 (da) |
DK (1) | DK169189B1 (da) |
FI (1) | FI884020A (da) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5146338A (en) * | 1990-08-06 | 1992-09-08 | Thomson Consumer Electronics, Inc. | Fixed rf agc of a television tuner for fm reception in a television receiver |
US5212825A (en) * | 1990-11-09 | 1993-05-18 | Litton Systems, Inc. | Synthetic heterodyne demodulator circuit |
CA2104215C (en) * | 1992-01-21 | 1998-06-23 | Theodore T. Sanecki | Radio receiver for forming a baseband signal of time-varying frequencies |
GB2282925B (en) * | 1993-09-30 | 1998-04-15 | Plessey Semiconductors Ltd | Direct conversion receivers |
US5418489A (en) * | 1993-10-08 | 1995-05-23 | Motorola, Inc. | Method of recovering a frequency modulated signal |
WO1996017441A1 (fr) * | 1994-11-30 | 1996-06-06 | Matsushita Electric Industrial Co., Ltd. | Circuit de reception |
JP3478313B2 (ja) * | 1995-01-25 | 2003-12-15 | ソニー株式会社 | 受信機 |
EP0755124B1 (de) * | 1995-07-18 | 1998-12-16 | Siemens Aktiengesellschaft | Verfahren zur Erhöhung der Empfangsempfindlichkeit in Homodyn-Empfängern |
DE19530812C2 (de) * | 1995-08-22 | 1999-07-22 | Oliver Bartels | Funkmeßempfänger mit neuartiger Spiegelfrequenzelemination |
FR2742620B1 (fr) * | 1995-12-15 | 1998-02-20 | Matra Communication | Dispositif melangeur a rejection de frequence image |
US5898906A (en) * | 1996-10-29 | 1999-04-27 | Gec Plessey Semiconductors, Inc. | System and method for implementing a cellular radio transmitter device |
US6009317A (en) * | 1997-01-17 | 1999-12-28 | Ericsson Inc. | Method and apparatus for compensating for imbalances between quadrature signals |
TW391114B (en) * | 1997-01-31 | 2000-05-21 | Scientific Atlanta | System and method for harmonic interference avoidance in carrier recovery for digital demodulation |
GB2328813B (en) * | 1997-08-28 | 2001-08-29 | Mitel Corp | A radio frequency zero IF direct down converter |
GB9718100D0 (en) * | 1997-08-28 | 1997-10-29 | Mitel Corp | Phase modulated local oscillator |
US7092043B2 (en) | 1998-11-12 | 2006-08-15 | Broadcom Corporation | Fully integrated tuner architecture |
JP4310600B2 (ja) * | 2000-08-04 | 2009-08-12 | ソニー株式会社 | 受信回路および受信用集積回路 |
WO2002075917A1 (en) * | 2001-02-20 | 2002-09-26 | Integrant Technologies Inc. | Mixer circuit having improved even order noise, dc offset, and linearity characteristic |
US6993295B2 (en) * | 2002-01-08 | 2006-01-31 | Intel Corporation | Weaver image reject mixer with fine resolution frequency step size |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3624507A (en) * | 1967-04-21 | 1971-11-30 | Masao Fukata | Communication system of a cue signal or signals |
DE2913172B2 (de) * | 1979-04-02 | 1981-06-11 | Siemens AG, 1000 Berlin und 8000 München | Empfänger für hochfrequente elektromagneitsche Schwingungen mit einer Frequenznachregelung |
NL8301179A (nl) * | 1983-04-01 | 1984-11-01 | Philips Nv | Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen. |
US4580101A (en) * | 1983-04-06 | 1986-04-01 | Multitone Electronics Plc | FM demodulators with local oscillator frequency control circuits |
GB2148669A (en) * | 1983-10-21 | 1985-05-30 | Philips Electronic Associated | Data receiver |
US4736390A (en) * | 1986-10-15 | 1988-04-05 | Itt Avionics, A Division Of Itt Corporation | Zero IF radio receiver apparatus |
-
1987
- 1987-09-03 EP EP87201666A patent/EP0305602B1/en not_active Expired - Lifetime
- 1987-09-03 DE DE8787201666T patent/DE3784930T2/de not_active Expired - Fee Related
-
1988
- 1988-08-31 FI FI884020A patent/FI884020A/fi not_active Application Discontinuation
- 1988-08-31 JP JP63215312A patent/JP2628710B2/ja not_active Expired - Lifetime
- 1988-08-31 DK DK484188A patent/DK169189B1/da active
- 1988-09-03 KR KR88011383A patent/KR960015279B1/ko not_active IP Right Cessation
- 1988-09-06 US US07/240,983 patent/US4910800A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI884020A (fi) | 1989-03-04 |
FI884020A0 (fi) | 1988-08-31 |
EP0305602A1 (en) | 1989-03-08 |
KR960015279B1 (en) | 1996-11-07 |
JP2628710B2 (ja) | 1997-07-09 |
DE3784930D1 (en) | 1993-04-22 |
US4910800A (en) | 1990-03-20 |
DK484188D0 (da) | 1988-08-31 |
KR890006071A (ko) | 1989-05-18 |
EP0305602B1 (en) | 1993-03-17 |
DK169189B1 (da) | 1994-09-05 |
JPS6472626A (en) | 1989-03-17 |
DE3784930T2 (de) | 1993-09-02 |
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