PT96196A - Misturador com acoplamento cruzado para um receptor de radio com frequencia intermedia igual a zero - Google Patents
Misturador com acoplamento cruzado para um receptor de radio com frequencia intermedia igual a zero Download PDFInfo
- Publication number
- PT96196A PT96196A PT96196A PT9619690A PT96196A PT 96196 A PT96196 A PT 96196A PT 96196 A PT96196 A PT 96196A PT 9619690 A PT9619690 A PT 9619690A PT 96196 A PT96196 A PT 96196A
- Authority
- PT
- Portugal
- Prior art keywords
- mixer
- balanced
- signals
- outputs
- supplied
- Prior art date
Links
Classifications
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/1433—Balanced arrangements with transistors using bipolar transistors
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0082—Quadrature arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
Claims (2)
- Pat. Inv. n2. F SxniS. Sr. Director da Divisão de Patentes do Instituto Nacional da Propriedade Industrial STC PLC, britânica, industrial e comercial, com sedè em 1B Portland Place, Loridres ¥IN 3AA, Inglaterra, desejando proteger em Portugal o seu invento de; «ANDAR MISTURADOR COM ACOPLAMENTO CRUZADO PARA UM RECEPTOR DE RADIO COM FREQUÊNCIA INTERMÉDIA IGUAL A ZER0«, declarando ser inventor GSORGB fiEDLEY STORM ROKOS, residente em 16 South Road, Bishop* s Stortford, Herts CM23 3-Jn, o qual é caracterizado pelas seguintes reivindicações;
- 12. - Andar misturador para misturar sinais de RF com sinais do oscilador local, no qual os sinais de RF são fornecidos a dois amplificadores equilibrados separados, com saídas equilibradas, sendo essas saídas fornecidas a dois andares misturadores equilibradas separados, juntamente com os sinais do oscilador local em quadratu ra, caracterizado por as duas saídas de cada amplificador serem fornecidas uma a cada um dos andares misturadores. 2S. - Andar misturador de acordo c.om a reivindicação 1, caracte rizado por cada um dos sinais do oscilador em quadratura ser equilibrado e os misturadores serem ambos misturadores equilibrados du pios. 3-· - Andar misturador de acordo com a reivindicação 2, caracte rizado por cada um dos amplificadores diferenciais ser um amplificador formado um par de transístores "long-tail” e cada um dos mis turadores equilibrados duplos compreender dois pares de transístores com emissores ligados em comum, sendo a corrente para cada um dos pares de emissores fornecida a partir do colector de um dos transístores de ura par wlong-tailtt. 4e. - Andar misturador de acordo com a reivindicação 3, caracte rizado por incluir um andar de amplificação "cascode" entre as ligações da saída do amplificador e as entradas do misturador. A Requerente declara que depositou o primeiro pedido de_s ta patente de invenção em Inglaterra em 16 de Dezembro de 1989 sob o nS. 8928439-2, cuja prioridade reivindica. Pede a V. Exâ,, se digne conceder-lbe a respectiva patente de invenção. Lisboa, /7 r«*7 Λ**· Λ ió. ud. t.-j*Νβ.· RQBEN MARQOêS ©RANJA ©AR©» àwa!» ·$ϋ»1 4* MwlrM
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8928439A GB2239143B (en) | 1989-12-16 | 1989-12-16 | Cross-coupled mixer stage for zero if radio |
Publications (1)
Publication Number | Publication Date |
---|---|
PT96196A true PT96196A (pt) | 1992-09-30 |
Family
ID=10668051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT96196A PT96196A (pt) | 1989-12-16 | 1990-12-13 | Misturador com acoplamento cruzado para um receptor de radio com frequencia intermedia igual a zero |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0434203A3 (pt) |
GB (1) | GB2239143B (pt) |
IE (1) | IE904179A1 (pt) |
PT (1) | PT96196A (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2321352B (en) | 1997-01-11 | 2001-04-04 | Plessey Semiconductors Ltd | Image reject mixer |
GB2321148B (en) * | 1997-01-11 | 2000-10-25 | Plessey Semiconductors Ltd | Double balanced mixer |
GB2341502B (en) * | 1998-09-08 | 2003-01-22 | Mitel Semiconductor Ltd | Image reject mixer circuit arrangements |
DE19844970C2 (de) | 1998-09-30 | 2001-02-22 | Siemens Ag | Schaltungsanordnung zum Mischen eines Eingangssignals und eines Oszillatorsignals miteinander |
DE19901751B4 (de) * | 1999-01-18 | 2005-11-24 | Rohde & Schwarz Gmbh & Co. Kg | Mehrfachüberlagerungsstufe für einen Empfänger oder Spektrumanalysator |
DE10004995A1 (de) * | 2000-02-04 | 2001-08-09 | Infineon Technologies Ag | Analogmultiplizierer |
JP3510556B2 (ja) | 2000-03-30 | 2004-03-29 | Nec化合物デバイス株式会社 | イメージリジェクションミキサ及びそれを用いた受信機 |
US6980787B1 (en) * | 2000-09-26 | 2005-12-27 | Ati International Srl | Image rejection mixing in wideband applications |
WO2002071595A1 (en) * | 2001-03-01 | 2002-09-12 | Telefonaktiebolaget L.M. Ericsson | Balanced frequency converter using fets |
US6810242B2 (en) * | 2002-09-30 | 2004-10-26 | Skyworks Solutions, Inc. | Subharmonic mixer |
GB0308962D0 (en) * | 2003-04-17 | 2003-05-28 | Nokia Corp | A mixer arrangement |
JP2007506326A (ja) | 2003-09-23 | 2007-03-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高性能低雑音増幅器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60130204A (ja) * | 1983-12-17 | 1985-07-11 | Toshiba Corp | 掛算回路 |
GB2177860B (en) * | 1985-07-09 | 1989-04-26 | Multitone Electronics Plc | R.f. mixer |
DE3815055A1 (de) * | 1988-05-04 | 1989-11-16 | Standard Elektrik Lorenz Ag | Quadratur-empfaenger |
-
1989
- 1989-12-16 GB GB8928439A patent/GB2239143B/en not_active Expired - Fee Related
-
1990
- 1990-11-09 EP EP19900312306 patent/EP0434203A3/en not_active Withdrawn
- 1990-11-20 IE IE417990A patent/IE904179A1/en unknown
- 1990-12-13 PT PT96196A patent/PT96196A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2239143B (en) | 1993-06-16 |
GB2239143A (en) | 1991-06-19 |
GB8928439D0 (en) | 1990-02-21 |
EP0434203A3 (en) | 1991-10-09 |
IE904179A1 (en) | 1991-06-19 |
EP0434203A2 (en) | 1991-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Laying open of patent application |
Effective date: 19920507 |
|
FC3A | Refusal |
Effective date: 19980420 |