BE490912A - - Google Patents
Info
- Publication number
- BE490912A BE490912A BE490912DA BE490912A BE 490912 A BE490912 A BE 490912A BE 490912D A BE490912D A BE 490912DA BE 490912 A BE490912 A BE 490912A
- Authority
- BE
- Belgium
- Prior art keywords
- modulator
- circuit
- frequency
- carrier
- frequency line
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 230000002146 bilateral effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000003313 weakening effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/18—Frequency-division multiplex systems in which all the carriers are amplitude-modulated
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490912A true BE490912A (de) |
Family
ID=135511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490912D BE490912A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE490912A (de) |
-
0
- BE BE490912D patent/BE490912A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2826205A1 (fr) | Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre | |
| EP0129464B1 (de) | Breitband-Hochfrequenz-Impedanz-Transformator mit Transformationsverhältnis von ungefähr drei | |
| FR2848721A1 (fr) | Transformateur a changement de mode selectif en frequences | |
| EP0120786A1 (de) | Hyperfrequenz-Empfangskette mit einer direkten Hyperfrequenz-Demodulationseinrichtung | |
| CN107707309B (zh) | 基于级联相位和偏振调制器的微波光子正交混频方法、装置 | |
| JPH06209294A (ja) | 周波数変調された光信号発生方法および装置 | |
| WO2022195437A1 (fr) | Circuit de polarisation en bande de base et rf, et circuit amplificateur de puissance rf le comprenant | |
| EP0165363B1 (de) | Schaltung zur Erkennung von Stromänderungen | |
| CA1227548A (fr) | Filtre actif hyperfrequence | |
| EP4142149B1 (de) | Funkfrequenz-verdoppler und -verdreifacher | |
| EP1251634A1 (de) | Transkonduktanzstufe und RF Kommunikationsvorrichtung, die eine solche Stufe umfasst | |
| EP1648084B1 (de) | Mischerschaltung | |
| BE337361A (de) | ||
| BE342418A (de) | ||
| BE412960A (de) | ||
| BE491564A (de) | ||
| CH120393A (fr) | Procédé pour passer d'une fréquence à l'autre dans des installations de signalisation à ondes porteuses, utilisant des dispositifs à décharge électronique. | |
| FR2870654A1 (fr) | Dispositif de couplage pour modem a courants porteurs | |
| BE376980A (de) | ||
| EP0744105B1 (de) | Verfahren und einrichtung zur ver- und entschlüsselung von audiosignalen | |
| BE483448A (de) | ||
| BE481011A (de) | ||
| BE476741A (de) | ||
| EP0027152A1 (de) | Verfahren und Vorrichtung zur Übertragung periodischer elektrischen Signale mit sehr geringer Frequenzfehlertoleranz | |
| CH158400A (fr) | Installation de radio-communication. |