HUP0200136A2 - Transceiver unit for a first and second transmitting/receiving frequency - Google Patents
Transceiver unit for a first and second transmitting/receiving frequencyInfo
- Publication number
- HUP0200136A2 HUP0200136A2 HU0200136A HUP0200136A HUP0200136A2 HU P0200136 A2 HUP0200136 A2 HU P0200136A2 HU 0200136 A HU0200136 A HU 0200136A HU P0200136 A HUP0200136 A HU P0200136A HU P0200136 A2 HUP0200136 A2 HU P0200136A2
- Authority
- HU
- Hungary
- Prior art keywords
- transceiver unit
- transmitting
- receiving frequency
- output stage
- transmitter
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/15—Auxiliary devices for switching or interrupting by semiconductor devices
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
-
- 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
Abstract
A tal lm ny t rgya adó-vevő egység (1) egy első és egy m sodik ad si-vételi frekvenci n folyó üzemhez, elsősorban kül"nb"ző t vk"zlésirendszerekben való alkalmaz sra. Az adó-vevő egység tartalmaz pontosanegy adóvégfokozatot (PA) az első és m sodik ad si frekvenci ra, egyvevőrészt egy első és egy m sodik bemenettel (RXPCN, RXGSM) az első,illetőleg m sodik ad si-vételi frekvenci hoz, egy adó-vevő antenn t(ANT), és pontosan egy kapcsolható szűrőelemet (2), amelyen t v laszts szerint az adóvégfokozat, illetőleg a vevőrész első és m sodikbemenete az adó-vevő antenn val "sszek"thető. Ó
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904570 | 1999-02-04 | ||
PCT/DE2000/000351 WO2000046934A1 (de) | 1999-02-04 | 2000-02-04 | Sender-/empfänger-einheit für eine erste und eine zweite sende-/empfangsfrequenz |
Publications (1)
Publication Number | Publication Date |
---|---|
HUP0200136A2 true HUP0200136A2 (en) | 2002-04-29 |
Family
ID=7896455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU0200136A HUP0200136A2 (en) | 1999-02-04 | 2000-02-04 | Transceiver unit for a first and second transmitting/receiving frequency |
Country Status (5)
Country | Link |
---|---|
US (1) | US6426682B1 (hu) |
EP (1) | EP1147616A1 (hu) |
CN (1) | CN1339201A (hu) |
HU (1) | HUP0200136A2 (hu) |
WO (1) | WO2000046934A1 (hu) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100455144B1 (ko) * | 2002-03-29 | 2004-11-06 | 엘지전자 주식회사 | 듀얼모드 단말기의 스위치 |
ES2198207B2 (es) * | 2002-04-12 | 2004-09-16 | Telefonica, S.A. | Sistema de repetidores para gsm con intercambio espectral entre las bandas de frecuencia gsm de 900 y 1800 mhz, asi como metodo de acceso. |
KR100824380B1 (ko) | 2002-08-08 | 2008-04-22 | 삼성전자주식회사 | 영상 기록/재생 장치 및 그 메뉴안내 표시방법 |
DE10261026A1 (de) * | 2002-12-24 | 2004-07-08 | Robert Bosch Gmbh | Pulsradar, insbesondere für Kraftfahrzeuge zur Detektion von Objekten im Nahbereich |
JP4552205B2 (ja) | 2007-12-17 | 2010-09-29 | Necエンジニアリング株式会社 | スイッチ機能付きフィルタ |
JP5531662B2 (ja) * | 2010-02-17 | 2014-06-25 | 株式会社村田製作所 | 高周波スイッチ |
CN113745778B (zh) * | 2021-09-03 | 2022-03-29 | 合肥工业大学 | 一种双频段极化敏感带阻滤波器的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1146638B1 (en) | 1995-05-16 | 2003-10-29 | Matsushita Electric Industrial Co., Ltd. | Wireless unit for a time division multiple access system |
JPH0955606A (ja) * | 1995-08-11 | 1997-02-25 | Fujitsu Ltd | 無線装置用フィルタ装置並びに無線装置用フィルタ装置の誘電体配置用治具並びに治具を用いた無線装置用フィルタ装置の誘電体配置方法 |
US5846265A (en) | 1996-07-26 | 1998-12-08 | North Carolina State University | Closed-loop textile dyeing process utilizing real-time metered dosing of dyes and chemicals |
US5864265A (en) * | 1997-06-30 | 1999-01-26 | Motorola Inc. | Bandstop filter module with shunt zero |
US6091966A (en) * | 1997-09-29 | 2000-07-18 | Ericsson, Inc. | Dual-band, dual-mode power amplifier |
-
2000
- 2000-02-04 US US09/890,785 patent/US6426682B1/en not_active Expired - Fee Related
- 2000-02-04 WO PCT/DE2000/000351 patent/WO2000046934A1/de not_active Application Discontinuation
- 2000-02-04 EP EP00908988A patent/EP1147616A1/de not_active Withdrawn
- 2000-02-04 CN CN00803467A patent/CN1339201A/zh active Pending
- 2000-02-04 HU HU0200136A patent/HUP0200136A2/hu unknown
Also Published As
Publication number | Publication date |
---|---|
WO2000046934A1 (de) | 2000-08-10 |
EP1147616A1 (de) | 2001-10-24 |
CN1339201A (zh) | 2002-03-06 |
US6426682B1 (en) | 2002-07-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60322541D1 (de) | Zwischenverstärker für drahtlose lokale netzwerke | |
CA2315489A1 (en) | Radio communication apparatus and radio communication method | |
ATE286325T1 (de) | Integrierte komponente für den sender und den empfänger eines zweiband-sendeempfängers | |
DE60011234D1 (de) | Multi-band sendeempfänger der einen direktmisch-empfänger benutzt, und der direktmisch-empfänger dazu | |
WO2002067413A3 (en) | Transmitter and receiver circuit for radio frequency | |
EP0776059A3 (en) | Switchable duplex filter | |
CA2303459A1 (en) | Transmitter-receiver for use in broadband wireless access communications systems | |
EP1158695A3 (en) | Space multiplex radio communication method and apparatus | |
EP0917297A3 (en) | Radio transceiver with two frequency bands | |
AU2003240168A1 (en) | Reception of signals in a device comprising a transmitter | |
HUP0200136A2 (en) | Transceiver unit for a first and second transmitting/receiving frequency | |
WO2002009270A3 (en) | System and apparatus for a direct conversion receiver and transmitter | |
WO2002087091A3 (en) | Burst-mode digital transmitter | |
AU2001295636A1 (en) | Method of implementing a repeater, and a transceiver unit | |
EP1317072A3 (en) | Wireless communication system with variable intermediate frequency transmitter | |
WO2002065662A3 (en) | Line interface a matching impedance coupled ro a feedback path | |
CA2321649A1 (en) | Method and device for modifying a radio frequency range of a radio transceiver | |
EP0978939A3 (en) | Controllable filter | |
WO2002035718A3 (en) | Direct conversion radio transceiver | |
DE60123956D1 (de) | Selbstabgleichende bandpassfilterungsvorrichtung in einem sende-empfangsgerät für mikrowellensignale | |
MY120176A (en) | 2-way radio with silent annunciation | |
AU2003246383A1 (en) | Higly reliable receiver front-end | |
HK1075984A1 (en) | Method and system for transmission of carrier signals between first and second antenna networks | |
EP1164726A3 (en) | Circuit and method for reducing local oscillator frequency transmission in a radio transceiver | |
FR2711292B1 (fr) | Procédé de transmission d'un signal sur au moins deux canaux. |