Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
0Patent Application Number
111693140
Date Filed
June 29, 2005
0Patent Primary Examiner
Patent abstract
A diode logic circuit which can select a high voltage from among the voltages of a number of control voltage input terminals using a number of diodes made of Schottky junctions is integrally formed on a compound semiconductor substrate on which MESFET stages for switching and for securing isolations have been formed. In addition, the MESFET stages for switching are controlled by the voltages of the number of control voltage input terminals and the MESFET stages for securing isolations are controlled by the OR voltage that is outputted from the diode logic circuit.
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