MXPA03003663A - Transceptor if cero. - Google Patents
Transceptor if cero.Info
- Publication number
- MXPA03003663A MXPA03003663A MXPA03003663A MXPA03003663A MXPA03003663A MX PA03003663 A MXPA03003663 A MX PA03003663A MX PA03003663 A MXPA03003663 A MX PA03003663A MX PA03003663 A MXPA03003663 A MX PA03003663A MX PA03003663 A MXPA03003663 A MX PA03003663A
- Authority
- MX
- Mexico
- Prior art keywords
- frequency
- output
- transmit
- transceiver
- receive band
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
Un transmisor y receptor de Frecuencia Intermedia (IF) se implementan dentro de un transceptor para eliminar la interferencia en la banda de recepcion. Una salida de un oscilador superior sintonizable para generar una fuente de frecuencia que es un multiplo entero de la frecuencia LO de transmision deseada. La fuente de frecuencia esta acoplada a un limitador de amplitud y divisor de frecuencia. La salida del divisor de frecuencia se utiliza como el LO de transmision para convertir en forma ascendente directamente las senales de banda base a la frecuencia de salida deseada, sin la necesidad de una etapa IF. La conversion ascendente directa de las senales de transmision de banda base sin una etapa IF, elimina los productos de frecuencia espuria que se producen en la banda de recepcion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69777900A | 2000-10-26 | 2000-10-26 | |
PCT/US2001/050894 WO2002049224A2 (en) | 2000-10-26 | 2001-10-24 | Zero if transceiver |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA03003663A true MXPA03003663A (es) | 2004-05-04 |
Family
ID=24802498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA03003663A MXPA03003663A (es) | 2000-10-26 | 2001-10-24 | Transceptor if cero. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1329029A2 (es) |
JP (1) | JP2004521532A (es) |
KR (1) | KR20030044043A (es) |
CN (1) | CN1547807A (es) |
AU (1) | AU2002243396A1 (es) |
BR (1) | BR0114908A (es) |
CA (1) | CA2426934A1 (es) |
MX (1) | MXPA03003663A (es) |
WO (1) | WO2002049224A2 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008252249A (ja) * | 2007-03-29 | 2008-10-16 | Mitsubishi Electric Corp | 衛星通信用地上局装置 |
JP4914283B2 (ja) * | 2007-04-20 | 2012-04-11 | 日本無線株式会社 | 周波数シンセサイザ回路 |
CN202586956U (zh) * | 2009-05-15 | 2012-12-05 | Cts公司 | 高性能射频频分双工接收模块 |
TWI616067B (zh) * | 2016-10-14 | 2018-02-21 | 瑞昱半導體股份有限公司 | 雙模訊號收發裝置與其方法 |
CN107786240B (zh) * | 2017-10-12 | 2019-10-15 | 安徽白鹭电子科技有限公司 | 多重载波频率跳变的数字通信电台装置 |
CN113890561B (zh) * | 2021-11-17 | 2023-07-21 | 歌尔科技有限公司 | 一种电子设备及其射频电路 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112133B (fi) * | 1996-03-29 | 2003-10-31 | Nokia Corp | Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä |
JP3475037B2 (ja) * | 1997-03-14 | 2003-12-08 | 株式会社東芝 | 無線機 |
-
2001
- 2001-10-24 AU AU2002243396A patent/AU2002243396A1/en not_active Abandoned
- 2001-10-24 EP EP01989291A patent/EP1329029A2/en not_active Withdrawn
- 2001-10-24 CN CNA018213472A patent/CN1547807A/zh active Pending
- 2001-10-24 BR BRPI0114908-3A patent/BR0114908A/pt unknown
- 2001-10-24 CA CA002426934A patent/CA2426934A1/en not_active Abandoned
- 2001-10-24 MX MXPA03003663A patent/MXPA03003663A/es unknown
- 2001-10-24 WO PCT/US2001/050894 patent/WO2002049224A2/en not_active Application Discontinuation
- 2001-10-24 KR KR10-2003-7005791A patent/KR20030044043A/ko not_active Application Discontinuation
- 2001-10-24 JP JP2002550413A patent/JP2004521532A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2426934A1 (en) | 2002-06-20 |
WO2002049224A2 (en) | 2002-06-20 |
EP1329029A2 (en) | 2003-07-23 |
CN1547807A (zh) | 2004-11-17 |
WO2002049224A3 (en) | 2003-03-13 |
AU2002243396A1 (en) | 2002-06-24 |
BR0114908A (pt) | 2006-05-09 |
KR20030044043A (ko) | 2003-06-02 |
JP2004521532A (ja) | 2004-07-15 |
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