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| Application No. | Application Title | Issue Date |
| 20110316624 | Transformer Structures For A Power Amplifier (PA) In one embodiment, the present invention includes a transformer formed on a semiconductor die. Such transformer may have multiple coils, including first and second coils. Each coil may have segments that in turn are formed on a corresponding metal layer of the semicondu... | 12/29/2011 |
| 20110309205 | FOREIGN TRACK CURRENT SUPPRESSION SYSTEM AND METHOD There is provided a track current suppression device. An exemplary device includes an input coupled between rails of a railway track and configured to receive an input voltage corresponding to a track current. The exemplary device also includes an amplifier configured t... | 12/22/2011 |
| 20100231303 | METHOD AND SYSTEM FOR POWER AMPLIFIER (PA) WITH ON-PACKAGE MATCHING TRANSFORMER Aspects of a system for a power amplifier with an on-package matching transformer may include a DC/DC converter that enables generation of a bias voltage level within an IC die based on an amplitude of an input signal to a PA circuit within the IC die. The bias voltage ... | 09/16/2010 |
| 20100219890 | LOW NOISE AMPLIFIER The present invention relates to a low noise amplifier comprising a transformer, a first amplifier and a feedback resistor, the transformer comprising a primary stage and a secondary stage. The secondary stage is connected to the input of the first amplifier and the out... | 09/02/2010 |
| 20100090767 | RF AMPLIFICATION DEVICE An RF amplification device has amplification elements which amplify a radio frequency input signal in wireless radio communication. Transmission line transformers are coupled to one of an input electrode and an output electrode of the amplification elements and have a m... | 04/15/2010 |
| 20070188226 | POWER AMPLIFIER INPUT STRUCTURE HAVING A DIFFERENTIAL OUTPUT A method and apparatus provides an input structure for a power amplifier. In one example, the input structure has an input network and a predriver circuit to provide an input signal to the power amplifier. The input network includes a transformer for helping to maintain... | 08/16/2007 |
