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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > Local Control Of Receiver Operation > Gain Control > Automatic > Plural Amplifier Stages Plural Amplifier StagesPlural Amplifier Stages patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/01/07 - 20070049228 - High-frequency receiver A high-frequency receiver capable of improving both an interference-resistant characteristic and reception sensitivity is provided. A gain switch control unit includes: a signal level determination unit comparing a gain control voltage of an amplifying circuit with a reference voltage; and a gain switch controller provided between an output terminal of ... 02/22/07 - 20070042738 - Receiver architecture for minimizing use of external bandpass filter between low-noise amplifier and first mixer A wireless receiver is provided that includes a multi-step gain-control low-noise amplifier (LNA) stage and a mixer stage. The LNA stage is operable to amplify at least one input signal to generate at least one LNA output. The mixer stage is directly coupled to the LNA stage (without an intervening ... 09/21/06 - 20060211392 - Method for adjusting gain in radio receiver Each of variable gain amplifiers includes a P-side differential cell and an N-side differential cell, and the gains of the variable gain amplifiers are controlled depending on a difference between a P-side control current to control current flowing through the P-side differential cell and an N-side control current to control ... 08/31/06 - 20060194555 - Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices A circuit arrangement includes two adjustable amplification devices where the signal output of the first amplification device is connected to the signal input of the second amplification device. The first amplification device has a digital input for controlling its gain and the second amplification device has an input for controlling ... 01/19/06 - 20060014508 - Device and method for determining the level of an input signal intended to be applied to a receiving system The invention relates to a device for determining the level of an input signal (101) intended to be applied to a receiving system (TUN), said receiving system (TUN) comprising arranged in series a set of discrete gain amplifiers (102-103-105-107), a selective filter (104), a mixer (106), said receiving system (TUN) ... 12/15/05 - 20050277396 - Apparatus and methods for eliminating dc offset in a wireless communication device Apparatus and methods for eliminating DC offset in a wireless communication device operable on a continuous basis or on a sampled basis. In a receive channel, the output of a forward variable gain amplifier is fed back to an RC circuit to charge the capacitor (C) to a voltage dependent ... 11/24/05 - 20050260964 - Amplifier assembly, receiver comprising said assembly and method for operating a programmable amplifier An amplifier assembly and also a receiver including such an amplifier assembly is disclosed, wherein the amplifier includes a programming input for setting the gain thereof. The signal level at the output of the amplifier is compared with a reference level and a counter is incremented in a step-by-step fashion ... 10/06/05 - 20050221779 - Agc circuit An automatic gain control (AGC) circuit includes a number of attenuation circuits connected in series relative to a reception signal, a of variable gain amplifiers to which the reception signal and each output signal from the attenuation circuits are fed, respectively, a signal deriving circuit connected to output terminals of ... 06/16/05 - 20050130617 - Variable-gain low noise amplifier for digital terrestrial applications A multi-stage amplifier assembly configured to receive a terrestrial digital television (“DTV”) input signal including multiple frequency channels. The amplifier assembly optionally includes a PIN diode coupled across differential inputs to a first stage of the multi-stage amplifier assembly. The PIN diode is controlled to attenuate the input when an ... ### FreshPatents.com Support |