BE713554A - - Google Patents
Info
- Publication number
- BE713554A BE713554A BE713554DA BE713554A BE 713554 A BE713554 A BE 713554A BE 713554D A BE713554D A BE 713554DA BE 713554 A BE713554 A BE 713554A
- Authority
- BE
- Belgium
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
- H04B1/0067—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 one or more circuit blocks in common for different bands
- H04B1/0082—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band
- H04B1/0089—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
- H04B1/0092—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0109285 | 1967-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE713554A true BE713554A (en:Method) | 1968-10-11 |
Family
ID=7529404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE713554D BE713554A (en:Method) | 1967-04-11 | 1968-04-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3551857A (en:Method) |
| AT (1) | AT278901B (en:Method) |
| BE (1) | BE713554A (en:Method) |
| DE (1) | DE1591473B1 (en:Method) |
| FR (1) | FR1565769A (en:Method) |
| GB (1) | GB1151328A (en:Method) |
| NL (1) | NL6805241A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5086915A (en:Method) * | 1973-11-30 | 1975-07-12 | ||
| FR2280141A1 (fr) * | 1974-07-26 | 1976-02-20 | Materiel Telephonique | Systeme de signalisation entre centres de traitement d'informations |
| CN116318153A (zh) * | 2023-05-10 | 2023-06-23 | 微龛(广州)半导体有限公司 | 参考电压驱动电路、模数转换器、芯片及驱动方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2430038A (en) * | 1943-10-05 | 1947-11-04 | Bell Telephone Labor Inc | Cathode-ray device for improving signal-to-noise ratio in radar systems |
| US2909656A (en) * | 1953-01-06 | 1959-10-20 | Lab For Electronics Inc | Selective circuit |
-
1967
- 1967-04-11 DE DE19671591473 patent/DE1591473B1/de active Pending
-
1968
- 1968-04-03 US US718469A patent/US3551857A/en not_active Expired - Lifetime
- 1968-04-08 AT AT345668A patent/AT278901B/de not_active IP Right Cessation
- 1968-04-10 GB GB17169/68A patent/GB1151328A/en not_active Expired
- 1968-04-10 FR FR1565769D patent/FR1565769A/fr not_active Expired
- 1968-04-11 NL NL6805241A patent/NL6805241A/xx unknown
- 1968-04-11 BE BE713554D patent/BE713554A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1151328A (en) | 1969-05-07 |
| DE1591473B1 (de) | 1971-12-09 |
| US3551857A (en) | 1970-12-29 |
| FR1565769A (en:Method) | 1969-05-02 |
| AT278901B (de) | 1970-02-25 |
| NL6805241A (en:Method) | 1968-10-14 |