DE69517405D1 - Radioempfänger mit Quadraturdetektion mit einem lokalen Oszillator mit verbesserter Frequenznachregelung - Google Patents
Radioempfänger mit Quadraturdetektion mit einem lokalen Oszillator mit verbesserter FrequenznachregelungInfo
- Publication number
- DE69517405D1 DE69517405D1 DE69517405T DE69517405T DE69517405D1 DE 69517405 D1 DE69517405 D1 DE 69517405D1 DE 69517405 T DE69517405 T DE 69517405T DE 69517405 T DE69517405 T DE 69517405T DE 69517405 D1 DE69517405 D1 DE 69517405D1
- Authority
- DE
- Germany
- Prior art keywords
- local oscillator
- radio receiver
- frequency adjustment
- quadrature detection
- improved frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19950100652 EP0723335B1 (de) | 1995-01-19 | 1995-01-19 | Radioempfänger mit Quadraturdetektion mit einem lokalen Oszillator mit verbesserter Frequenznachregelung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517405D1 true DE69517405D1 (de) | 2000-07-13 |
DE69517405T2 DE69517405T2 (de) | 2001-03-01 |
Family
ID=8218916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995617405 Expired - Lifetime DE69517405T2 (de) | 1995-01-19 | 1995-01-19 | Radioempfänger mit Quadraturdetektion mit einem lokalen Oszillator mit verbesserter Frequenznachregelung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0723335B1 (de) |
DE (1) | DE69517405T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3226807B2 (ja) * | 1996-11-20 | 2001-11-05 | 静岡日本電気株式会社 | 無線呼出システム用の自動周波数補正装置および自動周波数補正方法 |
US6985541B1 (en) | 1999-11-23 | 2006-01-10 | Micor Linear Corporation | FM demodulator for a low IF receiver |
US6987816B1 (en) | 1999-11-23 | 2006-01-17 | Micro Linear Corporation | Iris data recovery algorithms |
US7076217B1 (en) | 1999-11-23 | 2006-07-11 | Micro Linear Corporation | Integrated radio transceiver |
US7027792B1 (en) | 1999-11-23 | 2006-04-11 | Micro Linear Corporation | Topology for a single ended input dual balanced mixer |
US6441682B1 (en) | 1999-11-23 | 2002-08-27 | Micro Linear Corporation | Active polyphase filter with transconductor cross-coupling of filter sections |
AU1796201A (en) * | 1999-11-23 | 2001-06-04 | Micro Linear Corporation | Fm demodulator using monostables |
US6445257B1 (en) | 1999-11-23 | 2002-09-03 | Micro Linear Corporation | Fuse-trimmed tank circuit for an integrated voltage-controlled oscillator |
DE10335044B4 (de) * | 2003-08-01 | 2006-04-20 | Infineon Technologies Ag | Demodulationsanordnung für ein Funksignal |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2137836B (en) * | 1983-04-06 | 1986-07-23 | Multitone Electronics Plc | Fm demodulators |
JPS60182205A (ja) * | 1984-02-29 | 1985-09-17 | Fujitsu Ltd | 追尾形帯域濾波器 |
DE69217140T2 (de) * | 1991-08-07 | 1997-07-03 | Toshiba Ave Kk | QPSK-Demodulator mit automatischer Frequenznachregelung |
JP2650149B2 (ja) * | 1992-08-24 | 1997-09-03 | 株式会社三渡工業所 | 可動体の開閉抑制装置 |
-
1995
- 1995-01-19 EP EP19950100652 patent/EP0723335B1/de not_active Expired - Lifetime
- 1995-01-19 DE DE1995617405 patent/DE69517405T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69517405T2 (de) | 2001-03-01 |
EP0723335A1 (de) | 1996-07-24 |
EP0723335B1 (de) | 2000-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69628392D1 (de) | Antenne mit zwei Resonanzfrequenzen | |
HK1009895A1 (en) | Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator | |
EP0797870A4 (de) | Breitbandiger spannungsgesteuerter cmos-oszillator | |
GB2246910B (en) | A radio frequency antenna | |
DE69624020D1 (de) | Nullzwischenfrequenz-Empfänger | |
GB2271230B (en) | FSK receiver having an intermittently-operating PLL local oscillator | |
FR2702903B1 (fr) | Récepteur de signaux radiofréquences. | |
BR9401376A (pt) | Circuitos de detecção acoplados a sinal de radiofrequência, transmissor de sinal RF de radiofrequência, circuitos de detecção e raiotransceptor | |
DE69618524D1 (de) | Empfänger und Abstimmschaltung mit einem Frequenzsynthetisierer dafür | |
FR2527406B1 (fr) | Oscillateur local uhf a frequence variable pour recepteur de television | |
GB9009510D0 (en) | Radio frequency distance measurement technique | |
DE69637274D1 (de) | TDMA-Funkgerätschaltung mit variablem zweiten Lokaloszillator | |
DE69025172D1 (de) | Rundfunkempfänger mit zwei Empfangssystemen | |
DE69517405D1 (de) | Radioempfänger mit Quadraturdetektion mit einem lokalen Oszillator mit verbesserter Frequenznachregelung | |
DE69922428D1 (de) | Dauerstrichradar-Empfänger mit Frequenzsprung | |
DE69219406D1 (de) | Frequenzeinstellung eines Funkempfängers | |
BR9506387A (pt) | Receptor com chaveamento de deslocamento de frequ¯encia | |
DE69623373D1 (de) | Tragbarer Empfänger mit einer Antenne | |
FR2664747B1 (fr) | Antenne a balayage par variation de frequence. | |
DE59602668D1 (de) | Mischoszillator mit einem phasengerasteten regelkreis für einen rundfunkempfänger | |
FI98577B (fi) | Oskillaattorin keskitaajuuden viritysmenetelmä | |
DE59303603D1 (de) | Kombiniertes Funksende- und -empfangsgerät mit einer PLL-Schaltung | |
DE69528503D1 (de) | Breitband diskriminator eines funkempfängers | |
SG78397A1 (en) | Radio device including a frequency synthesizer and phase discriminator for such a device | |
FI102229B1 (fi) | Menetelmä radiovastaanottimen virityksen parantamiseksi ja radiovastaanotin |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8320 | Willingness to grant licences declared (paragraph 23) |