http://www.freshpatents.com/Amplifiers-dtnewntc330.php USPTO Class 330 - Amplifiers en-us Mon, 20 May 2013 13:37:02 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130516ptan20130120059.php Mon, 20 May 2013 13:37:02 -0700 An amplifier circuit includes: an input pad to receive a current signal; a conversion section to convert the current signal into a voltage signal; an inductor electrically connected in series between the input pad and the conversion section; and a storage element, one end of the storage element electrically coupled... http://www.freshpatents.com/-dt20130516ptan20130120060.php Mon, 20 May 2013 13:37:02 -0700 A variable gain analog amplifier is described that uses pulse-density modulation in the form of a sigma-delta modulator (SDM) to produce a gain by modulating the selection of a switch that selects the amount of resistance in a negative feedback loop of the amplifier. The output of the SDM is... http://www.freshpatents.com/-dt20130516ptan20130120061.php Mon, 20 May 2013 13:37:02 -0700 The present invention relates to an amplifier comprising a plurality of Doherty amplifier cells each Doherty amplifier cell comprising an input and an output respectively connected to an input and an output of the amplifier, a main amplifier stage, a peak amplifier stage and a signal combining circuit configured to... http://www.freshpatents.com/-dt20130516ptan20130120062.php Mon, 20 May 2013 13:37:02 -0700 An ISI Replica unit is provided, which produces interference components similar to one due to LPF into the output of HPA MODEL unit. An HPA MODEL unit models the characteristic of HPA using the output signal of the predistorter and an error signal obtained by subtracting a feedback signal from... http://www.freshpatents.com/-dt20130516ptan20130120063.php Mon, 20 May 2013 13:37:02 -0700 Class D amplifier circuits for amplifying an input signal. The amplifier has an H-bridge output stage and thus has switches for switchably connecting a first output to a first voltage, e.g. Vdd, or a second voltage (e.g. ground) and for switchably connecting a second output to the first or second... http://www.freshpatents.com/-dt20130516ptan20130120064.php Mon, 20 May 2013 13:37:02 -0700 Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... http://www.freshpatents.com/-dt20130516ptan20130120065.php Mon, 20 May 2013 13:37:02 -0700 Illustrative embodiments of power amplifiers are disclosed. In one embodiment, a power amplifier includes a plurality of transistors formed on a silicon-on-insulator (SOI) substrate such that the plurality of transistors are each electrically isolated from one another within the SOI substrate. The power amplifier also includes a plurality of biasing... http://www.freshpatents.com/-dt20130516ptan20130120066.php Mon, 20 May 2013 13:37:02 -0700 A reference buffer amplifier within an integrated circuit includes a first output terminal connected to a first bond pad, the first bond pad being connected to a first external pin of the integrated circuit chip, the first external pin to allow an external capacitance to be connected to the output... http://www.freshpatents.com/-dt20130516ptan20130120067.php Mon, 20 May 2013 13:37:02 -0700 In an amplifier with pass-through mode of the present invention, in a pass-through mode, a signal transmission transistor and a bias control transistor are turned ON and a voltage of an output terminal is maintained in a ground potential via the bias control transistor and a resistor. Thus, a power... http://www.freshpatents.com/-dt20130516ptan20130120068.php Mon, 20 May 2013 13:37:02 -0700 An RE receiver is described comprising a common gate common source LNA with a variable resistor in the source of the common gate transistor, a variable resistor in the source of the common source transistor, and a variable resistor in the RE input. A Smart Gain Control varies the resistance... http://www.freshpatents.com/-dt20130516ptan20130120069.php Mon, 20 May 2013 13:37:02 -0700 According to one embodiment, a high frequency amplifier having a division circuit, FET cells, a stabilization circuit and a combination circuit is provided. The division circuit divides an input signal to produce a plurality of signals. The FET cells amplify the signals produced by the division circuit. The stabilization circuit... http://www.freshpatents.com/-dt20130516ptan20130120070.php Mon, 20 May 2013 13:37:02 -0700 Embodiments of dual stage active pixel devices are described herein. Other examples, implementations, and related methods are also disclosed herein....