| 摘要 |
In one embodiment, a dc/dc converter network ( 71 ) is described. The converter network ( 71 ) includes at least one GaAs depletion mode or normally on FET device ( 711, 712 ). The converter network ( 71 ) is a two-port system having a positive input terminal ( 710 ), a positive output terminal ( 730 ), and a negative input terminal ( 720 ) connected to a negative output terminal ( 740 ). A first GaAs depletion mode FET ( 711 ) is connected between the positive input terminal ( 710 ) and an internal node ( 795 ). A second GaAs depletion mode FET ( 712 ) is connected between the internal node ( 795 ) and the common negative terminals ( 720, 740 ). A control circuit ( 780 ) is connected gate leads of the two FETs ( 711, 712 ), to alternatively switch the devices from a current conducting mode to a current blocking mode. An inductor ( 760 ) is connected between the internal node ( 795 ) and the positive output terminal ( 730 ). The GaAs depletion mode devices provide a converter network with improved performance.
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