H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 3/45 (2006.01) H04L 25/02 (2006.01)
Patent
CA 2453146
The invention relates to a line driver in which an input current (IINN) feeds a node (K1) which is connected to an input on an amplifier (OTA1). A further input on the amplifier (OTA1) has a reference voltage (VSGND) applied to it. The amplifier (OTA1) controls a current source (MN1) which outputs an output current (IOUTN). A current/voltage converter (R1) is connected between the node (K1) and the current source (MN1). A voltage/current converter (R2) is connected between the current source (MN1) and a ground (VSS).
L'invention concerne un circuit d'attaque de ligne, dans lequel un courant d'entrée (IINN) alimente un noeud (K1) qui est relié à une entrée d'un amplificateur (OTA1). Une autre entrée de l'amplificateur (OTA1) est soumise à une tension de référence (VSGND). L'amplificateur (OTA1) commande une source de courant (MN1) qui émet un courant de sortie (IOUTN). Entre le noeud (K1) et la source de courant (MN1) est monté un convertisseur courant-tension (R1). Entre la source de courant (MN1) et une masse (VSS) est monté un convertisseur tension-courant (R2).
Fetherstonhaugh & Co.
Infineon Technologies Ag
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