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| Application No. | Application Title | Issue Date |
| 20110018633 | OPERATIONAL AMPLIFIER HAVING DC OFFSET CANCELLATION CAPABILITY An operational amplifier includes an input stage for generating a first differential output signal pair according to a first differential input signal pair, an output stage for generating a second differential output signal pair according to at least a second differenti... | 01/27/2011 |
| 20090289722 | Bonded Wafer Package Module Bonded wafer packages having first and second wafers bonded together forming a matrix of sealed devices, at least one of the wafers having a plurality of passive devices formed thereon, including at least one BAW resonator within each of the sealed devices, the first wa... | 11/26/2009 |
| 20080001667 | Circuitry For Adaptively Generating And Using A Reference Voltage a circuit for an RFID device in one embodiment includes an operational amplifier having a first input, a second input, and an output where the first input receives an incoming signal, arid the second input is coupled to the output via a feedback loop. An operational amp... | 01/03/2008 |
| 20070057732 | OTA-Based High-Order Filters Nth-order OTA-C (Operational Transconductance Amplifiers and Capacitors) filter structures are realized by using the analytical synthesis method to achieve the following three important criteria simultaneously: filters use just n grounded capacitors, each of which is lo... | 03/15/2007 |
| 20060250190 | Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method A trans-conductance filter circuit with an expanded cut-off frequency range is provided. The cut-off frequency of a trans-conductance filter circuit is changed by varying the current mirror ratio of a current mirror circuit. This mirror ratio is varied by changing the o... | 11/09/2006 |
| 20060103469 | FILTER CIRCUIT PROVIDING LOW DISTORTION AND ENHANCED FLEXIBILITY TO OBTAIN VARIABLE GAIN AMPLIFICATION A low distortion filter circuit implementing variable gain amplification (VGA). An aspect of the present invention increases the degrees of freedom (number of components which can be independently programmed/changed to corresponding desired values) to achieve a desired ... | 05/18/2006 |
| 20060033579 | Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method A trans-conductance filter circuit with an expanded cut-off frequency range is provided. The cut-off frequency of a trans-conductance filter circuit is changed by varying the current mirror ratio of a current mirror circuit. This mirror ratio is varied by changing the o... | 02/16/2006 |
