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| Number | Title | Issue Date |
| 8143935 | Circuit and method for controlling charge injection in radio frequency switches A circuit and method for controlling charge injection in a circuit are disclosed. In one embodiment, the circuit and method are employed in a semiconductor-on-insulator (SOI) Radio Frequency (RF) switch. In one embodiment, an SOI RF switch comprises a plurality of s... | 03/27/2012 |
| 7961052 | RF power amplifier integrated circuit and unit cell A novel RF power amplifier integrated circuit (PA IC), unit cell, and method for amplifying RF signals are disclosed. One embodiment of a PA IC includes at least two linear arrays comprising transistor device units, and at least one linear array comprising capacitor... | 06/14/2011 |
| 7890891 | Method and apparatus improving gate oxide reliability by controlling accumulated charge A method and apparatus are disclosed for use in improving the gate oxide reliability of semiconductor-on-insulator (SOI) metal-oxide-silicon field effect transistor (MOSFET) devices using accumulated charge control (ACC) techniques. The method and apparatus are adap... | 02/15/2011 |
| 7796969 | Symmetrically and asymmetrically stacked transistor group RF switch A silicon-on-insulator (SOI) RF switch adapted for improved power handling capability using a reduced number of transistors is described. In one embodiment, an RF switch includes pairs of switching and shunting stacked transistor groupings to selectively couple RF s... | 09/14/2010 |
| 7619462 | Unpowered switch and bleeder circuit A novel RF switch for switching radio frequency (RF) signals is disclosed. The RF switch may comprise both enhancement and depletion mode field-effect transistors (E-FETs and D-FETs) implemented as a monolithic integrated circuit (IC) on a silicon-on-insulator (SOI)... | 11/17/2009 |
| 7078910 | Fluid formulation evaluation and improvement utilizing broad spectrum impedance spectroscopy A method and apparatus for evaluating and improving the properties of fluid formulations is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements and data analyses to determine IS parameters of fluids representative of a fluid formulation... | 07/18/2006 |
| 7055557 | Dual seal filler neck with air relief valve A vehicle refueling system and a vehicle refueling method are disclosed. The refueling system includes a filler cup, a nozzle seal in the filler cup for sealing to a filler nozzle, a vapor re-circulation path from the gas tank to the filler cup, and an air relief mo... | 06/06/2006 |
| 7049831 | Fluid quality control using broad spectrum impedance spectroscopy A system and method for monitoring and controlling the properties of fluids is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements, and is suitable for real-time, in situ, monitoring and quality control operations, such as quality contr... | 05/23/2006 |
