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US20110217943 OSCILLATION PROTECTED AMPLIFIER WITH BASE STATION OVERLOAD AND NOISE FLOOR PROTECTION  
An amplifier is provided for optimizing gain. The amplifier determines an optimal gain from inputs including the forward link and reverse link input power. The inputs are processed to determine an...
US20070054642 Automatic gain control (AGC) for multichannel/wideband communications system  
Automatic Gain Control (AGC) system for multi-channel signals attenuates an incoming multi-channel signal by providing a gain. The system further adjusts each individual channel, of the...
US20120231753 WIDE-BAND MULTI STAGE DOHERTY POWER AMPLIFIER  
A multi-stage Doherty power amplifier (“PA”) circuit which achieves superior efficiency over broadband range of frequencies is disclosed. Conventional multi-stage amplifiers may offer potential...
US20110177789 LOW NOISE AMPLIFIER AND THE USES THEREOF  
A low noise amplifier (110) is disclosed that is particularly suitable for ultra wideband telecommunications. The low noise amplifier (110) provides a variable gain by a current controller (115)...
US20140171004 AUTOMATIC GAIN CONTROL OF A RECEIVER CIRCUIT  
The present invention relates to a receiver circuit for processing of electrical signals, and comprising: an antenna (12),at least one amplifier (14) coupled to the output of the antenna (12),an...
US20150207482 AREA-EFFICIENT DEGENERATIVE INDUCTANCE FOR A LOW NOISE AMPLIFIER (LNA)  
A device includes a first and a second low noise amplifier (LNA), a first degenerative inductance coupled between the first LNA and ground by a first ground connection, and a second degenerative...
US20120149320 SPUR MITIGATION FOR WIRELESS COMMUNICATION SYSTEMS  
A receiver for a wireless communication device comprising a mechanism for performing spur mitigation. A spur mitigation unit of the receiver is operable to determine a current estimate of a spur...
US20110053541 DYNAMIC RANGE ON-DEMAND FOR RECEIVER APPLICATIONS  
Receiver power techniques are disclosed that allow for real-time adjustment of receiver dynamic range by virtue of supplied DC power, based on signal strengths currently received by the receiver....
US20110070856 AGC LOW THRESHOLD SIGNAL LEVEL DETECTION  
The invention provides a receiver comprising an input end, an Rx-chain with at least one regulating means and an output end. The receiver further comprises a feedback loop in the Rx-chain, said...
US20130095780 TRANSPONDER WITH RECEIVING MEANS HAVING A LOW ELECTRICAL CONSUMPTION IN A LISTENING MODE  
The transponder comprises an antenna and a receiver circuit (2) for receiving RF signals, this receiver circuit is implemented with a control mechanism to activate it at least periodically in a...
US20100080327 METHOD AND DEVICE FOR AUTOMATIC GAIN CONTROL  
A method for automatic gain control used in a receiver of a multi-carrier telecommunication system, the method comprising: receiving an input signal digitalized by an A/D converter; determining...
US20140018027 TECHNIQUE FOR AUTOMATIC GAIN CONTROL  
A technique for performing Automatic Gain Control for a receiver (102) of a device (100) connected to a communication system is provided. As for a method embodiment, a method (200) comprises the...
US20130301764 AUTOMATIC GAIN CONTROL TECHNIQUES FOR DETECTING RF SATURATION  
Functionality can be implemented for automatic gain control (AGC) in a wireless network device to determine whether to change the gain of the wireless network device based on determining the...
US20150207529 Radiofrequency Signal Setting Reaching a Condition of Jamming or Clipping  
A method of setting a Radiofrequency, RF, signal level in a RF receiver comprising:—estimating an error of the signal level due to signal level reaching a condition of jamming or clipping by...
US20100328546 Tracking Filter For A Television Tuner  
In one embodiment, a set of tracking filters to be coupled between an amplifier and a mixer is provided. The tracking filters may be differently configured depending on band of operation. For...
US20130344833 ENVELOPE POWER SUPPLY CALIBRATION OF A MULTI-MODE RADIO FREQUENCY POWER AMPLIFIER  
The present disclosure relates to envelope power supply calibration of a multi-mode RF power amplifier (PA) to ensure adequate headroom when operating using one of multiple communications modes....
US20120034893 ENVELOPE POWER SUPPLY CALIBRATION OF A MULTI-MODE RADIO FREQUENCY POWER AMPLIFIER  
The present disclosure relates to envelope power supply calibration of a multi-mode RF power amplifier (PA) to ensure adequate headroom when operating using one of multiple communications modes....
US20090221252 LOW COMPLEXITY AGC FOR MB-OFDM  
System and methodologies for amplifier gain control in a communication system are provided herein. By leveraging similarities between the distribution of received signal samples in an MB-OFDM...
US20100046679 AUTOMATIC GAIN CONTROL SYSTEM  
An apparatus comprising an amplifier configured to amplify a received signal; a filter coupled to an output of said amplifier and configured to filter the amplified signal; and a controller...
US20090163164 RECEPTION DEVICE, RECEPTION METHOD AND PROGRAM  
A reception device includes: an AGC circuit adapted to control the amplitude of a receive signal; a correction circuit adapted to correct the flutter component in the output signal of the AGC...
US20140323074 POWER MANAGEMENT FOR A BATTERY-POWERED HANDHELD AUDIO DEVICE  
A method for managing power of a battery powered handheld audio device by receiving an indicia of signal quality for a received continuous-time radio signal. The method compares the indicia of...
US20050153672 Automatic gain control device, radio communication device and automatic gain control method  
An automatic gain control apparatus and method that acquires current position of its own station at the start of communication to calculate the communication distance from a communication partner...
US20090247104 VEHICLE ANTENNA  
A vehicle antenna includes a first Automatic Gain Control (AGC) unit and a second AGC unit. The first AGC unit may attenuate an input signal based on the strength of the input signal, and then...
US20120021712 Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter  
According to one embodiment, a compact low-power receiver comprises first and second analog circuits connected by a digitally controlled interface circuit. The first analog circuit has a first...
US20120149322 In-situ Gain Calibration of Radio Frequency Devices Using Thermal Noise  
An apparatus for calibrating gain of an radio frequency receiver (“Rx”) is disclosed to provide, among other things, a structure for performing in-situ gain calibration of an RF integrated circuit...
US20130309988 APPARATUS AND METHODS FOR ADJUSTING ADAPTIVE CONTROL LOOP BEHAVIOR BASED ON MEASURED ARTIFACTS  
Methods and apparatus for adjusting adaptive control loop behavior based on, for example measured artifacts of the radio environment. In one embodiment, a Long Term Evolution (LTE) user equipment...
US20080051050 RECEIVER AND AMPLIFICATION-GAIN CONTROLLING DEVICE THEREOF  
The receiver comprises a variable gain amplification unit, a mixing unit, a filtering unit, and three compensation unit. Each compensation unit detects powers of the signal amplified in the...
US20090209219 RF RECEIVER DEVICE  
A radio-frequency receiver includes an RF amplification circuit which amplifies a received RF signal and generates an amplified RF signal, a mixing circuit which converts the amplified RF signal...
US20080318539 AUTOMATIC GAIN CONTROL CIRCUIT FOR VOLUME CONTROL AND CORRESPONDING METHOD FOR VOLUME CONTROL  
There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless connection. The circuit includes an...
US20150188506 HIGH FREQUENCY TRANSMITTERS AND RECEIVERS  
Transmission and reception of communications via high frequency antenna systems employing cooled pure copper or high-temperature superconductor filters and/or amplifiers are presented. A comb...
US20110228171 AUTOMATICALLY SETTING AN OPERATIVE STATE OF A WIDEBAND AMPLIFIER  
A multi-channel receiver (200) comprises: an input (111) for receiving a wideband signal potentially comprising multiple channels, a tuner stage (110), a wideband amplifier (201) connected between...
US20120184233 COMBINED RF DETECTOR AND RF ATTENUATOR WITH CONCURRENT OUTPUTS  
Radio Frequency (RF) signal conditioning circuitry, which includes RF detection circuitry and RF attenuation circuitry is disclosed. The RF detection circuitry receives and detects an RF sample...
US20090117868 Fast Settling Radio Receiver Automatic Gain Control System  
A fast settling AGC system includes a “fast settle” comparator that facilitates fast settling of strong radio receiver output signals from a maximum to an intermediate voltage level at the start...
US20090042526 Methods and apparatus for calibration of automatic gain control in broadcast tuners  
In one aspect, a calibration component configured to calibrate an automatic gain controller (AGC) for use in a tuner configured to isolate a selected channel from a multi-channel broadcast signal,...
US20080299929 Increasing sensitivity of radio receiver  
A direct-conversion radio receiver is provided. The receiver includes a first measurement unit configured to measure a signal level of a received signal at an input of the receiver. The receiver...
US20090209220 RECEIVER HAVING LOW POWER CONSUMPTION AND METHOD THEREOF  
The present invention provides a receiver having low power consumption and method thereof. The receiver with low power consumption adjusts the gain based on the automatic gain control information....
US20050130687 Dynamic noise floors in a wireless device  
A wireless device configured to support a wireless networking protocol may utilize signal processing techniques that can mitigate the effects of jammer signals. For example, when a measured power...
US20090104883 AUTOMATIC GAIN CONTROL LOCKED ON TO THE RECEIVED POWER PROBABILITY DENSITY  
The invention relates to a radio receiver, notably for applications of satellite positioning, that must operate in an environment in which the interference is dense, notably when it involves...
US20080200140 BASE STATION RECEIVING CIRCUIT  
The present invention includes: gain controlling and amplifying means for amplifying a signal received from a mobile station and for outputting the amplified received signal; reception quality...
US20090209221 RECEIVER WITH LOW POWER CONSUMPTION  
The present invention provides a receiver with low power consumption. The receiver with low power consumption adjusts the gain of the programmable gain amplifier based on the automatic gain...
US20130208609 REDUCING NETWORK ACQUISITION TIME  
A method, an apparatus, and a computer program product for wireless communication are provided in which PAPR for an input of an AGC in a wireless receiver is generated. The AGC may provide a...
US20110021168 METHOD AND APPARATUS FOR RECEIVER WITH DUAL MODE AUTOMATIC GAIN CONTROL (AGC)  
A method and apparatus for toggling between a first mode and a second mode of a receiver based on an input signal level comprising comparing a gain state of the receiver to at least one gain state...
US20090291657 Sharing AGC Loop Between Demodulator and Spectrum Analysis System  
Systems and methods for sharing an AGC loop between a wireless data demodulator and a spectrum analysis module that operates simultaneously with the data demodulator. In one embodiment, a...
US20050118972 RF circuit for disc playing apparatus  
When a state in which the amplitude level of an RF signal is equal to or lower than a predetermined level is detected by a DEF signal generation unit 36 (RF signal level detection unit), an...
US20060205372 Agc circuit arrangement for a tuner  
A method and apparatus for generating the adaptive gain control signals in a communications receiver is disclosed. The present invention can be used with existing two stage gain architectures, and...
US20090201426 Dynamic RF AGC switch/mixer for optimal NTSC video detection  
This disclosure presents an apparatus and method for automatic gain control correction for a television signal in which the Radio Frequency (RF) and Intermediate Frequency (IF) power signal levels...
US20080160945 AUTOMATIC GAIN CONTROLLER FOR RF TRANSCEIVER  
The present invention comprises an automatic gain controller for an RF transceiver that comprises a digital engine that selects a gain level responsive to a signal power level of a signal of...
US20090239481 WIRELESS COMMUNICATION DEVICE  
A wireless communication device that obtains an analog received signal by receiving a wireless signal, adjusts amplitude by a variable gain amplifier, converts the analog received signal into a...
US20110176644 AUTOMATIC GAIN CONTROL IN RADIO FREQUENCY RECEIVERS  
An automatic gain controller (AGC) in white space devices is configured with two operational modes. When entering a quiet time of the white space device, the AGC selects the first operational...
US20100062736 AUTO GAIN CONTROLLER AND CONTROL METHOD THEREOF  
An auto gain controller (AGC) and a control method thereof are provided. An input signal is amplified by a radio frequency (RF) amplifier and an intermediate frequency (IF) amplifier. When...

Matches 1 - 50 out of 164 1 2 3 4 >