Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Nagahori0
Mitsutoshi Sugawara0
Date of Patent
March 13, 2007
Patent Application Number
10777676
Date Filed
February 13, 2004
Patent Primary Examiner
Patent abstract
In an active hybrid transformer circuit connected to both transmit and receive sides, a current driver is connected to a transmission path circuit through a common connection point of a load resistor and a replica resistor while a replica driver is connected to the replica resistor of which another connection point is directly connected to the receive side. The replica driver may be formed by a DAC of a current output type. A current ratio of the replica driver and the current driver is selected at a predetermined value so as to prevent a transmit signal from leaking into the receive side.
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