TW448633B - Using a single side band mixer to reject image signals in a wireless station - Google Patents
Using a single side band mixer to reject image signals in a wireless stationInfo
- Publication number
- TW448633B TW448633B TW88116716A TW88116716A TW448633B TW 448633 B TW448633 B TW 448633B TW 88116716 A TW88116716 A TW 88116716A TW 88116716 A TW88116716 A TW 88116716A TW 448633 B TW448633 B TW 448633B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- received
- single side
- side band
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- 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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16371298A | 1998-09-30 | 1998-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW448633B true TW448633B (en) | 2001-08-01 |
Family
ID=22591251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88116716A TW448633B (en) | 1998-09-30 | 1999-09-29 | Using a single side band mixer to reject image signals in a wireless station |
Country Status (2)
Country | Link |
---|---|
TW (1) | TW448633B (zh) |
WO (1) | WO2000019623A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10965251B1 (en) | 2019-11-26 | 2021-03-30 | Richwave Technology Corp. | Multi-mode processing circuit and multi-mode controlling method thereof |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100438533B1 (ko) * | 2000-11-30 | 2004-07-03 | 엘지전자 주식회사 | 이미지 주파수 제거 회로 |
US20050143031A1 (en) * | 2002-02-06 | 2005-06-30 | Oswald Moonen | Multi-band receiver |
KR20030078314A (ko) * | 2002-03-29 | 2003-10-08 | 삼성전기주식회사 | 코드레스폰의 이미지 제거용 필터 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04119019A (ja) * | 1990-09-07 | 1992-04-20 | Fujitsu Ltd | 携帯型受信機 |
US5926751A (en) * | 1997-02-19 | 1999-07-20 | Motorola, Inc. | Method and apparatus for receiving communication signals |
US5966646A (en) * | 1997-05-13 | 1999-10-12 | Ericsson, Inc. | Dual-band radio receiver |
-
1999
- 1999-09-29 TW TW88116716A patent/TW448633B/zh active
- 1999-09-29 WO PCT/US1999/022820 patent/WO2000019623A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10965251B1 (en) | 2019-11-26 | 2021-03-30 | Richwave Technology Corp. | Multi-mode processing circuit and multi-mode controlling method thereof |
TWI729588B (zh) * | 2019-11-26 | 2021-06-01 | 立積電子股份有限公司 | 多模式處理電路及其多模式控制方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2000019623A1 (en) | 2000-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100262922B1 (ko) | 통신 신호를 수신하기 위한 방법 및 장치 | |
HK1043263A1 (en) | High-frequency switch, high-frequency switch module, and wireless communication device | |
HK1059157A1 (en) | Multi-protocol receiver and method for receiving awireless communication | |
GB2391768A (en) | Transmit network for a cellular base station | |
EP1271794A3 (en) | Triple band receiving apparatus of mobile communication terminal | |
WO1999031812A8 (en) | Combined gps and wide bandwidth radiotelephone terminals and methods | |
WO1999001933A3 (en) | Multiple mode direct conversion receiver | |
US20070066345A1 (en) | Dual mode front end module and mobile terminal having the same | |
WO2003069786A3 (en) | Apparatus for multiple band communication | |
EP2713584A3 (en) | Integrated Multi-Band Transceiver For Use In Mobile Communication Device | |
WO2000019629A1 (en) | Using a single low-noise amplifier in a multi-band wireless station | |
GB2347292A (en) | Economical bandpass filter arrangement for a multi-band mobile phone receiver | |
US7796950B2 (en) | Dual mode GSM and WLAN mobile communication device | |
CA2208382A1 (en) | Radio communication apparatus having a high receiving sensitivity | |
CA2299942A1 (en) | Mobile terminal employing 30khz/200khz carrier identification | |
WO1998032235A3 (en) | Receiver apparatus for two frequency bands | |
EP0780993A3 (en) | Radiotelephone transceiver operative over more than one frequency range | |
GB2282029A (en) | Duplexer for a digital mobile radio | |
CN101729081A (zh) | 双频带接收系统及其应用的电子装置 | |
EP0945991A3 (en) | Dual band mobile phone handset | |
TW448633B (en) | Using a single side band mixer to reject image signals in a wireless station | |
JP2840496B2 (ja) | デュアルバンド無線通信装置 | |
KR20020095556A (ko) | 개별적 송,수신 안테나를 구비한 무선 통신단말기 | |
EP0998024A3 (en) | Modulator structure for a transmitter and a mobile station | |
CA2293814A1 (en) | Method and apparatus for band-adaptive demodulation |