A hybrid coil (or bridge transformer, or sometimes hybrid) is a transformer that has three windings, and which is designed to be configured as a circuit having four ports that are conjugate in pairs. A signal arriving at one port is divided equally between the two adjacent ports but does not appear at the opposite port. In the schematic diagram, the signal into W splits between X and Z, and no signal passes to Y. Similarly, signals into X split to W and Y with none to Z, etc.
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| - Gabelschaltung (de)
- Hybrid coil (en)
- Trasformatore ibrido (it)
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| - Eine Gabelschaltung wird in der Telekommunikation verwendet, um eine Vierdrahtleitung (jeweils 2 Drähte für kommende und gehende Information getrennt) mit einer Zweidrahtleitung gleich Doppelader (auf beiden Drähten werden kommende und gehende Information übermittelt) zu koppeln und umgekehrt und damit eine in Näherung ungestörte Signalübertragung in beide Richtungen über eine zweiadrige Leitung zu ermöglichen. Es handelt sich um einen Richtkoppler für Niederfrequenz. (de)
- A hybrid coil (or bridge transformer, or sometimes hybrid) is a transformer that has three windings, and which is designed to be configured as a circuit having four ports that are conjugate in pairs. A signal arriving at one port is divided equally between the two adjacent ports but does not appear at the opposite port. In the schematic diagram, the signal into W splits between X and Z, and no signal passes to Y. Similarly, signals into X split to W and Y with none to Z, etc. (en)
- Un trasformatore ibrido (o trasformatore a ponte o, talvolta, semplicemente ibrido) è un trasformatore che ha tre avvolgimenti ed è progettato per essere configurato come un circuito avente quattro porte coniugate in coppie. Un segnale in arrivo presso una porta viene diviso ugualmente tra le due porte adiacenti ma non appare presso la porta opposta. Nel diagramma, il segnale in W si divide tra X e Z, mentre non passa alcun segnale verso Y. Analogamente, i segnali in X si dividono tra W e Y mentre non giunge nulla verso Z, etc. (it)
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| - Eine Gabelschaltung wird in der Telekommunikation verwendet, um eine Vierdrahtleitung (jeweils 2 Drähte für kommende und gehende Information getrennt) mit einer Zweidrahtleitung gleich Doppelader (auf beiden Drähten werden kommende und gehende Information übermittelt) zu koppeln und umgekehrt und damit eine in Näherung ungestörte Signalübertragung in beide Richtungen über eine zweiadrige Leitung zu ermöglichen. Es handelt sich um einen Richtkoppler für Niederfrequenz. Die Gabelschaltung ist eine einfache Form einer Echokompensation, bei der das gesendete Signal nach entsprechender Filterung (Leitungsnachbildung bzw. Echosignalschätzung) vom empfangenen Duplex-Signal mit einem Differentialtransformator (DT) „abgezogen“ wird. Sie befindet sich zum Beispiel in analogen Telefonen als sogenannte Rückhördämpfungsschaltung und ermöglicht das gleichzeitige Hören und Sprechen über nur ein Adernpaar, ohne dass sich der Sprecher selbst zu laut im Telefonhörer hört. (de)
- A hybrid coil (or bridge transformer, or sometimes hybrid) is a transformer that has three windings, and which is designed to be configured as a circuit having four ports that are conjugate in pairs. A signal arriving at one port is divided equally between the two adjacent ports but does not appear at the opposite port. In the schematic diagram, the signal into W splits between X and Z, and no signal passes to Y. Similarly, signals into X split to W and Y with none to Z, etc. Correct operation requires matched characteristic impedance at all four ports. Hybrids are a class of directional coupler in which the input port power is split equally between the two output ports. Forms of hybrid other than transformer coils are possible; any format of directional coupler can be designed to be a hybrid. These formats include transmission lines and waveguides. (en)
- Un trasformatore ibrido (o trasformatore a ponte o, talvolta, semplicemente ibrido) è un trasformatore che ha tre avvolgimenti ed è progettato per essere configurato come un circuito avente quattro porte coniugate in coppie. Un segnale in arrivo presso una porta viene diviso ugualmente tra le due porte adiacenti ma non appare presso la porta opposta. Nel diagramma, il segnale in W si divide tra X e Z, mentre non passa alcun segnale verso Y. Analogamente, i segnali in X si dividono tra W e Y mentre non giunge nulla verso Z, etc. Il funzionamento corretto richiede l'adattamento dell'impedenza caratteristica a tutte e quattro le porte. I trasformatori ibridi sono una classe di accoppiatori direzionali in cui la potenza alla porta d'ingresso viene divisa ugualmente tra le due porte di uscita. Sono possibili forme di ibrido diverse dal trasformatore ibrido; qualsiasi formato di accoppiatore direzionale può essere progettato per essere un ibrido. Questi formati includono linee di trasmissione e guide d'onda. (it)
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