| Patents for H03G 1 - Details of arrangements for controlling amplification (4,021) |
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| 08/24/2005 | EP1566886A2 Power amplification apparatus, and mobile communication terminal apparatus |
| 08/24/2005 | EP1103099B1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
| 08/24/2005 | CN1658496A Power amplification apparatus, and mobile communication terminal apparatus |
| 08/24/2005 | CN1216459C Oscillating device |
| 08/23/2005 | US6934522 Automatic gain control apparatus |
| 08/23/2005 | US6933786 Amplifier circuit and method |
| 08/23/2005 | US6933783 Variable gain differential amplifier and multiplication circuit |
| 08/23/2005 | US6933779 Variable gain low noise amplifier |
| 08/18/2005 | WO2005076495A1 Methods of enhancing power amplifier linearity |
| 08/18/2005 | WO2005076467A1 Power amplifier unit, communication terminal and control method of power amplifier unit |
| 08/18/2005 | US20050181753 Logic low noise amplifier and amplification control method thereof |
| 08/18/2005 | US20050181751 Power amplifier arrangement having an antenna, and a method for amplification and emission of a signal |
| 08/18/2005 | US20050180585 System and method for controlling volume with a single knob |
| 08/18/2005 | US20050179497 Layout technique for matched resistors on an integrated circuit substrate |
| 08/18/2005 | US20050179494 Variable gain differential amplifier and multiplication circuit |
| 08/18/2005 | US20050179493 Temperature controlled, log-linear gain control circuit for amplifiers |
| 08/18/2005 | US20050179491 System and method for a startup circuit for a differential CMOS amplifier |
| 08/17/2005 | CN1215404C RMS-DC converter and RMS-DC conversion method |
| 08/16/2005 | US6930549 Variable gain amplifier for use in communications |
| 08/11/2005 | DE102004001236A1 Power amplifier arrangement with antennas e.g. for transmission paths in mobile RF appliances, has signal paths each coupled to input and each comprising amplifier |
| 08/09/2005 | US6927646 Bypass arrangement for low-noise amplifier |
| 08/04/2005 | US20050170804 Gain control circuit, and a radio communication apparatus using the same |
| 08/04/2005 | US20050170788 Wireless communication circuit and wireless communication apparatus using the same |
| 08/04/2005 | US20050168279 Large dynamic range programmable gain attenuator |
| 08/04/2005 | US20050168261 High linearity large bandwidth, switch insensitive, programmable gain attenuator |
| 08/03/2005 | EP1560331A1 Variable gain amplifier circuit and radio machine |
| 07/28/2005 | US20050164667 System and method for adjusting power amplifier output power in linear dB steps |
| 07/28/2005 | US20050162567 Television tuner having variable gain reduction |
| 07/28/2005 | US20050162224 Front stage amplifier with different modes |
| 07/28/2005 | US20050162220 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications |
| 07/27/2005 | EP1557943A1 System and method for adjusting power amplifier output power in linear dB steps |
| 07/26/2005 | US6922046 Variable impedance network with coarse and fine controls |
| 07/21/2005 | US20050156700 Integrated spiral inductor |
| 07/20/2005 | CN1211948C Device for raising noise immunity of receiver and receiver circuit |
| 07/19/2005 | US6919761 Wideband variable gain amplifier with high linearity operating in switch mode |
| 07/14/2005 | WO2005064791A1 Variable attenuator |
| 07/14/2005 | US20050153677 System and method for on-chip filter tuning |
| 07/14/2005 | US20050151590 Amplifier apparatus and method |
| 07/14/2005 | US20050151587 Differential amplifier and calculation amplifier |
| 07/13/2005 | EP1553695A1 Start signal output circuit |
| 07/13/2005 | EP1552687A1 Automatically setting an operative state of a wideband amplifier |
| 07/13/2005 | CN1639967A Front stage amplifier with different modes |
| 07/13/2005 | CN1638304A Method and apparatus for increasing receiver immunity to interference |
| 07/06/2005 | EP1551100A2 Attenuator comprising a control device for controlling the attenuation factor |
| 07/06/2005 | EP1550212A2 Variable gain amplifier with improved control characteristics linearity |
| 07/06/2005 | EP1149467B1 Amplifier |
| 07/06/2005 | CN1636317A Variable gain amplifier with autobiasing supply regulation |
| 06/30/2005 | US20050143033 Gain control circuit, and a radio communication apparatus using the same |
| 06/30/2005 | US20050141640 Amplifying apparatus |
| 06/30/2005 | US20050140456 Variable-gain cascode amplifier using voltage-controlled and variable inductive load |
| 06/30/2005 | US20050140451 Fine step and large gain range programmable gain amplifier |
| 06/29/2005 | EP1547433A1 Audio amplifier with local interface system |
| 06/29/2005 | EP1547241A2 Dc-compensation loop for variable gain amplifier |
| 06/29/2005 | CN2706963Y Mount capable of quickly assembling and detaching attenuator |
| 06/28/2005 | US6911865 Method and system for producing a drive signal for a current steering amplifier |
| 06/23/2005 | US20050134385 Continuous variable-gain low-noise amplifier |
| 06/23/2005 | US20050134373 Switchable gain amplifier |
| 06/22/2005 | EP1544996A1 Volume adjustment device, digital amplifier, and digital signal reproducing device |
| 06/21/2005 | US6909471 Audio volume control |
| 06/21/2005 | CA2467295C Method and apparatus for increasing receiver immunity to interference |
| 06/21/2005 | CA2467276C Method and apparatus for increasing receiver immunity to interference |
| 06/16/2005 | WO2005055419A1 Gain-variable voltage/current converting circuit having current compensating circuit for compensating for variation of dc current flowing through active element that performs voltage/current conversion |
| 06/16/2005 | WO2005015734A3 Variable gain amplifier system |
| 06/16/2005 | US20050127993 Automatic gain control for a multi-stage gain system |
| 06/16/2005 | US20050127986 Squaring cells and multipliers using summed exponentials |
| 06/16/2005 | DE10350628A1 Loss-of-signal detector for integrated signal processing circuit, has gain control input to set adjustable gain amplifier`s gain to lower and higher values if loss-of-signal indication signal is active and not active, respectively |
| 06/15/2005 | CN1627631A Power source circuit for high frequency power amplifying circuit and semiconductor integrated circuit for power source and electronics component for power source |
| 06/15/2005 | CN1206805C Variable gain amplifier and filter circuit |
| 06/14/2005 | US6906595 Variable gain current feedback amplifier |
| 06/14/2005 | US6906592 Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
| 06/14/2005 | US6906584 Switchable gain amplifier having a high-pass filter pole |
| 06/09/2005 | US20050122171 Power source circuit for high frequency power amplifying circuit and semiconductor integrated circuit for power source and electronics component for power source |
| 06/09/2005 | US20050122162 Volume adjustment device, digital amplifier, and digital signal reproducing device |
| 06/09/2005 | DE19901461B4 Integrierbare Schaltung zur automatischen Verstärkungsregelung (AGC; Automatic Gain Control) Integrable circuit for automatic gain control (AGC; Automatic Gain Control) |
| 06/09/2005 | DE102004009037A1 Process for converting optical pulses into electrical pulses produces a light dependent current pulse train and uses three sequential voltage trains to generate the output |
| 06/08/2005 | EP1338087B1 Automatic mute by baby monitor |
| 06/07/2005 | US6904271 High-frequency-signal switching circuit suppressing high-frequency-signal distortion |
| 06/07/2005 | US6903593 Gain amplifier with DC offset cancellation circuit |
| 06/02/2005 | WO2005050834A1 Am intermediate frequency variable gain amplifier circuit, variable gain amplifier circuit, and semiconductor integrated circuit thereof |
| 06/02/2005 | WO2004107566A3 Temperature and process compensation of mosfet operating in sub-threshold mode |
| 06/02/2005 | US20050118971 High frequency amplifier circuit permitting variable gain control |
| 06/02/2005 | US20050116774 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
| 06/01/2005 | CN1623282A Communication apparatus |
| 05/31/2005 | US6901149 Audio mixer |
| 05/25/2005 | EP1533894A1 Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method |
| 05/25/2005 | CN1619978A Method of controlling time domain transmitting power envelope and its device |
| 05/25/2005 | CN1619950A Variable amplifier and mobile wireless terminal using same |
| 05/24/2005 | US6898161 Sound control circuit for a digital audiovisual reproduction system |
| 05/24/2005 | US6897729 Self-calibrating gain control circuit for low noise amplifier |
| 05/24/2005 | US6897728 High frequency power amplifier module and wireless communication system |
| 05/24/2005 | CA2169869C Vehicle speaker control system |
| 05/19/2005 | WO2005046094A1 Method and system for converting an optical received pulse train into an electrical output pulse train |
| 05/19/2005 | US20050107055 Integrated switchless programmable attenuator and low noise amplifier |
| 05/19/2005 | US20050104655 Circuit arrangement for the switchable amplification of variable electrical signals |
| 05/19/2005 | DE102004040623A1 Verzerrungsarmer Regel- und Radizierungsverstärker mit Festkörperrelais Low-distortion control and Radizierungsverstärker with solid state relay |
| 05/18/2005 | EP0954823B1 Variable gain amplifier and optical sensor system for a bill validator |
| 05/18/2005 | CN1617441A Voltage to current converter and method for converting |
| 05/17/2005 | US6894564 Variable-gain amplifier having error amplifier with constant loop gain |
| 05/17/2005 | US6894563 Automatic control of amplifier gain using degeneration |
| 05/17/2005 | US6894558 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications |