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| Application No. | Application Title | Issue Date |
| 20110250853 | Operating point setting of an amplifier Embodiments related to the setting of an operating point of an amplifier are described and depicted.... | 10/13/2011 |
| 20110227642 | PARALLEL FORWARD PATH CARTESIAN FEEDBACK LOOP AND LOOP FILTER WITH SWITCHABLE ORDER FOR CARTESIAN FEEDBACK LOOPS A communication device having an RF power amplifier stage with a Cartesian feedback loop is provided. The loop has forward paths whose outputs are combined to form an output signal that is fed back to a single feedback path. Each forward path has a common path with a fi... | 09/22/2011 |
| 20110163804 | Power Amplifier with Feedback Impedance for Stable Output In one embodiment, an apparatus includes an amplifier circuit having a phase shift. The amplifier circuit amplifies a signal for wireless transmission. A feedback circuit is coupled to the amplifier circuit and includes a capacitor. An input impedance to the amplifier c... | 07/07/2011 |
| 20110017904 | TRANSIMPEDANCE AMPLIFIER CIRCUIT FOR A PHOTODETECTOR The invention relates to a transimpedance amplifier circuit for converting an input current into an output voltage Uout−, comprising an amplifier element (4) having at least one signal input and an output having the output voltage Uout. Fo... | 01/27/2011 |
| 20100171551 | AMPLIFIER AND SWITCHED CAPACITOR AMPLIFIER CIRCUIT An amplifier (V) for an integrated circuit amplifier circuit (IC) having a switched capacitor circuit (Cs, Cf) includes a capacitor for frequency compensation (CC1) that is connected in parallel to an amplifier stage (V2). This amplif... | 07/08/2010 |
| 20100132490 | FULLY DIFFERENTIAL DEMODULATOR WITH VARIABLE GAIN, AND METHOD FOR DEMODULATING A SIGNAL A demodulator is provided for demodulating an amplitude-modulated input signal defined by a carrier signal having a carrier frequency modulated by a modulating signal, the demodulator including an amplifier stage having a gain and structured to receive the amplitude-mod... | 06/03/2010 |
| 20100052778 | Nth Order Tunable Low-Pass Continuous Time Filter for Fiber Optic Receivers According to one embodiment of the invention, a circuit comprising a plurality of operational transconductance amplifiers (OTAS) is described. The first OTA has differential input and differential output. The second OTA also has differential input, where a first output ... | 03/04/2010 |
| 20100045372 | AMPLIFICATION CIRCUIT, AMPLIFICATION CIRCUIT NOISE REDUCING METHOD AND PROGRAM THEREOF [Problems] to provide a CMOS low-noise amplification circuit which can reduce a chip area and design time, and which is easy to be digital-controlled from outside. [Means For Solving the Problems] The amplification circuit includes; an ampl... | 02/25/2010 |
| 20080159365 | Analog Conditioning of Bioelectric Signals An operational amplifier circuit is described. The operational amplifier circuit includes an operational amplifier, a high-pass filter portion, and a feedback loop, wherein the operational amplifier circuit is configured to output an amplified filtered version of a bio-... | 07/03/2008 |
| 20080068077 | Unilateral Feedback Power Amplifier and Method for Realizing the Same A unilateral feedback power amplifier utilizes new feedback techniques and devices to make the amplified high-frequency signal unilateral, let the output power, power gain and impedance matching simultaneously accomplish the optimal values, and enhance the stability of ... | 03/20/2008 |
| 20070253567 | High frequency compensating A method and apparatus for increasing phase margin in a feedback circuit of an active noise reduction headphone. The method includes providing an acoustic block comprising an acoustic driver comprising a voice coil mechanically coupled along an attachment line to an aco... | 11/01/2007 |
| 20070103232 | Operational amplifier An operational amplifier is described. The operational amplifier includes a first stage, a second stage, a third stage, and a fourth stage. The amplifier includes a nested transconductance-capacitance compensation configuration. The third stage includes class AB control... | 05/10/2007 |
| 20060197593 | Negative feedback system with an error compensation scheme A negative feedback system includes a first summation module for receiving a system input and outputting a first summation output. A first forward module is coupled to the first summation module for receiving the first summation output and outputting a first forward out... | 09/07/2006 |
| 20050275455 | METHOD AND APPARATUS FOR LINEAR LOW-FREQUENCY FEEDBACK IN MONOLITHIC LOW-NOISE CHARGE AMPLIFIERS A charge amplifier includes an amplifier, feedback circuit, and cancellation circuit. The feedback circuit includes a capacitor, inverter, and current mirror. The capacitor is coupled across the signal amplifier, the inverter is coupled to the output of the signal ampli... | 12/15/2005 |
