ES2143964A1 - Diplexor dual para telefonia celular gsm y dcs. - Google Patents
Diplexor dual para telefonia celular gsm y dcs.Info
- Publication number
- ES2143964A1 ES2143964A1 ES009801982A ES9801982A ES2143964A1 ES 2143964 A1 ES2143964 A1 ES 2143964A1 ES 009801982 A ES009801982 A ES 009801982A ES 9801982 A ES9801982 A ES 9801982A ES 2143964 A1 ES2143964 A1 ES 2143964A1
- Authority
- ES
- Spain
- Prior art keywords
- gsm
- diplexor
- megahertz
- cellular telephony
- dcs
- 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.)
- Granted
Links
Landscapes
- Waveguides (AREA)
- Waveguide Connection Structure (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Diplexor dual para telefonía celular GSM y DCS. Diplexor que opera simultáneamente en las bandas de telefonía celular GSM (890 MHz - 960 MHz) y DCS (1710 MHz - 1880 MHz), realizado en tecnología microstrip o stripline, a partir de la interconexión de dos filtros paso banda interdigitales formados por líneas de transmisión acopladas de longitud eléctrica 90º a la frecuencia central de las bandas de GSM y DCS, respectivamente.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801982A ES2143964B1 (es) | 1998-09-15 | 1998-09-15 | Diplexor dual para telefonia celular gsm y dcs. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9801982A ES2143964B1 (es) | 1998-09-15 | 1998-09-15 | Diplexor dual para telefonia celular gsm y dcs. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2143964A1 true ES2143964A1 (es) | 2000-05-16 |
ES2143964B1 ES2143964B1 (es) | 2000-12-01 |
Family
ID=8305227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9801982A Expired - Lifetime ES2143964B1 (es) | 1998-09-15 | 1998-09-15 | Diplexor dual para telefonia celular gsm y dcs. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2143964B1 (es) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168479A (en) * | 1977-10-25 | 1979-09-18 | The United States Of America As Represented By The Secretary Of The Navy | Millimeter wave MIC diplexer |
US4253073A (en) * | 1978-08-17 | 1981-02-24 | Communications Satellite Corporation | Single ground plane interdigital band-pass filter apparatus and method |
US4455540A (en) * | 1981-07-24 | 1984-06-19 | Thomson-Csf | Band pass filter with linear resonators open at both their extremities |
EP0373028A1 (fr) * | 1988-11-30 | 1990-06-13 | Thomson Hybrides | Filtre passif passe-bande |
EP0487396A1 (fr) * | 1990-11-21 | 1992-05-27 | Valtronic France | Filtre passif passe-bande |
GB2295277A (en) * | 1994-11-16 | 1996-05-22 | Philips Electronics Uk Ltd | RF circuits with microstrip coupler |
-
1998
- 1998-09-15 ES ES9801982A patent/ES2143964B1/es not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168479A (en) * | 1977-10-25 | 1979-09-18 | The United States Of America As Represented By The Secretary Of The Navy | Millimeter wave MIC diplexer |
US4253073A (en) * | 1978-08-17 | 1981-02-24 | Communications Satellite Corporation | Single ground plane interdigital band-pass filter apparatus and method |
US4455540A (en) * | 1981-07-24 | 1984-06-19 | Thomson-Csf | Band pass filter with linear resonators open at both their extremities |
EP0373028A1 (fr) * | 1988-11-30 | 1990-06-13 | Thomson Hybrides | Filtre passif passe-bande |
EP0487396A1 (fr) * | 1990-11-21 | 1992-05-27 | Valtronic France | Filtre passif passe-bande |
GB2295277A (en) * | 1994-11-16 | 1996-05-22 | Philips Electronics Uk Ltd | RF circuits with microstrip coupler |
Also Published As
Publication number | Publication date |
---|---|
ES2143964B1 (es) | 2000-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
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