MX9701906A - Modulador de cuadratura con filtros de rc distribuidos integrados. - Google Patents
Modulador de cuadratura con filtros de rc distribuidos integrados.Info
- Publication number
- MX9701906A MX9701906A MX9701906A MX9701906A MX9701906A MX 9701906 A MX9701906 A MX 9701906A MX 9701906 A MX9701906 A MX 9701906A MX 9701906 A MX9701906 A MX 9701906A MX 9701906 A MX9701906 A MX 9701906A
- Authority
- MX
- Mexico
- Prior art keywords
- quadrature modulator
- filters
- integrated distributed
- switching
- distributed
- Prior art date
Links
Classifications
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- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
- H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
- H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
- H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H1/02—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of RC networks, e.g. integrated networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
- H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0014—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
-
- 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
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0021—Decimation, i.e. data rate reduction techniques
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2064—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers using microwave technology
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1204—Distributed RC filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nonlinear Science (AREA)
- Networks Using Active Elements (AREA)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un modulador de cuadratura para generacion de señales moduladas complejas incluye un par singular de filtros de bajo paso equilibrados que, a través de una disposicion de conmutacion para conmutarse dentro y fuera de las secciones de línea de RC distribuidas en el circuito y la resistencia de tierra correspondientes son capaces de rectificar los problemas asociados con las tolerancias de fabricacion.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/305,702 US5530722A (en) | 1992-10-27 | 1994-09-14 | Quadrature modulator with integrated distributed RC filters |
US08305702 | 1994-09-14 | ||
PCT/US1995/011745 WO1996008865A2 (en) | 1994-09-14 | 1995-09-14 | Quadrature modulator with integrated distributed rc filters |
Publications (2)
Publication Number | Publication Date |
---|---|
MXPA97001906A MXPA97001906A (es) | 1997-06-01 |
MX9701906A true MX9701906A (es) | 1997-06-28 |
Family
ID=23181955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9701906A MX9701906A (es) | 1994-09-14 | 1995-09-14 | Modulador de cuadratura con filtros de rc distribuidos integrados. |
Country Status (13)
Country | Link |
---|---|
US (2) | US5530722A (es) |
EP (1) | EP0781467A2 (es) |
JP (1) | JPH10505979A (es) |
KR (2) | KR100385761B1 (es) |
CN (3) | CN1063300C (es) |
AU (1) | AU694562B2 (es) |
BR (1) | BR9508952A (es) |
CA (1) | CA2199935A1 (es) |
FI (2) | FI971053A (es) |
MX (1) | MX9701906A (es) |
NZ (1) | NZ293170A (es) |
SG (1) | SG70628A1 (es) |
WO (1) | WO1996008865A2 (es) |
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-
1994
- 1994-09-14 US US08/305,702 patent/US5530722A/en not_active Expired - Lifetime
-
1995
- 1995-09-14 KR KR10-2002-7014571A patent/KR100385761B1/ko not_active IP Right Cessation
- 1995-09-14 BR BR9508952A patent/BR9508952A/pt not_active IP Right Cessation
- 1995-09-14 JP JP8510375A patent/JPH10505979A/ja active Pending
- 1995-09-14 NZ NZ293170A patent/NZ293170A/en unknown
- 1995-09-14 CN CN95195974A patent/CN1063300C/zh not_active Expired - Fee Related
- 1995-09-14 EP EP95932523A patent/EP0781467A2/en not_active Withdrawn
- 1995-09-14 WO PCT/US1995/011745 patent/WO1996008865A2/en not_active Application Discontinuation
- 1995-09-14 SG SG1998000534A patent/SG70628A1/en unknown
- 1995-09-14 MX MX9701906A patent/MX9701906A/es unknown
- 1995-09-14 KR KR1019970701657A patent/KR100384230B1/ko not_active IP Right Cessation
- 1995-09-14 CN CNB001181173A patent/CN1156963C/zh not_active Expired - Fee Related
- 1995-09-14 AU AU35542/95A patent/AU694562B2/en not_active Ceased
- 1995-09-14 CA CA002199935A patent/CA2199935A1/en not_active Abandoned
-
1996
- 1996-02-23 US US08/606,437 patent/US5629655A/en not_active Expired - Lifetime
-
1997
- 1997-03-13 FI FI971053A patent/FI971053A/fi not_active Application Discontinuation
-
2000
- 2000-06-05 CN CN00118118A patent/CN1290065A/zh active Pending
-
2004
- 2004-06-09 FI FI20040794A patent/FI20040794A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1290064A (zh) | 2001-04-04 |
BR9508952A (pt) | 1997-11-11 |
CN1063300C (zh) | 2001-03-14 |
US5530722A (en) | 1996-06-25 |
FI971053A0 (fi) | 1997-03-13 |
CN1156963C (zh) | 2004-07-07 |
CN1162373A (zh) | 1997-10-15 |
JPH10505979A (ja) | 1998-06-09 |
AU3554295A (en) | 1996-03-29 |
FI20040794A (fi) | 2004-06-09 |
KR100384230B1 (ko) | 2003-08-19 |
NZ293170A (en) | 1998-06-26 |
WO1996008865A2 (en) | 1996-03-21 |
AU694562B2 (en) | 1998-07-23 |
SG70628A1 (en) | 2000-02-22 |
KR100385761B1 (ko) | 2003-05-28 |
US5629655A (en) | 1997-05-13 |
EP0781467A2 (en) | 1997-07-02 |
CN1290065A (zh) | 2001-04-04 |
CA2199935A1 (en) | 1996-03-21 |
WO1996008865A3 (en) | 1996-04-18 |
FI971053A (fi) | 1997-05-06 |
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