Patents
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
02/2005
02/03/2005US20050024135 Amplifier circuit with active gain step circuit
02/02/2005EP1503517A2 Method and apparatus for increasing receiver immunity to interference
02/02/2005EP1502353A2 Wide-dynamic-range, variable-gain, low-noise amplifier circuit
02/02/2005CN1574613A 可变电阻电路 The variable resistance circuit
02/01/2005US6850574 Multiple bandwidth amplifier control systems for mobile stations and methods therefor
01/2005
01/27/2005WO2005008904A2 Variable attenuation system having continuous input steering
01/27/2005US20050018061 Apparatus and method for amplifying analog signal and analog preprocessing circuits and image pick-up circuits
01/27/2005US20050017807 Linear-in-decibel variable gain amplifier
01/27/2005US20050017806 Integrated circuit with an amplifier
01/25/2005US6847807 Transmission circuit and radio transmission apparatus
01/18/2005US6844782 Temperature compensation circuit and a variable gain amplification circuit
01/18/2005US6844780 Automatic gain control circuit
01/13/2005US20050007197 Method and system for producing a drive signal for a current steering amplifier
01/13/2005US20050007192 Automatic gain control circuit
01/12/2005EP0890156B1 Hand-held remote controller with trigger selection button
01/12/2005CN1184736C Negative feedback gain control for common electrode transistor
01/12/2005CN1184632C Variable gain amplifier with temperature compensation for use in disk drive system
01/11/2005US6842072 Power gain reduction circuit for power amplifiers
01/11/2005US6842071 Variable gain amplifier
01/06/2005WO2005002042A2 Integrated power amplifier circuit
01/06/2005US20050001685 High frequency amplifier circuit and mobile communication terminal using the same
01/06/2005CA2531013A1 Integrated power amplifier circuit
01/05/2005EP1494361A1 Communication apparatus
01/05/2005EP1494350A2 High frequency amplifier circuit and mobile communication terminal using the same
01/05/2005CN1183660C Integrated free plate automatic calibration of low distortion amplifier
01/04/2005US6838939 Amplifier apparatus, method, and system
01/04/2005US6838937 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier
01/04/2005US6838933 Low noise amplifier with fixed loss bypass
12/2004
12/30/2004US20040267842 Device with dB-to-linear gain conversion
12/29/2004WO2004114515A1 Amplitude controller
12/29/2004WO2004113465A2 Water-whitening resistant latex emulsion pressure sensitive adhesive and its production
12/23/2004WO2004112425A1 Audio amplifier with local interface system
12/23/2004WO2004112238A1 Low-noise amplifier
12/23/2004US20040260416 Audio amplifier local interface system
12/23/2004US20040259516 Apparatus and method of controlling a low noise amplifier of a receiver
12/23/2004US20040257161 Arrangement for saving energy in transmitter
12/23/2004US20040257144 Variable resistance circuit
12/21/2004US6833759 System and method for a programmable gain amplifier
12/16/2004US20040251960 Impedance matching low noise amplifier having a bypass switch
12/16/2004US20040251947 Gain amplifier with DC offset cancellation circuit
12/15/2004EP1485995A1 Front stage amplifier with different modes
12/15/2004CN1555601A Db-linear variable gain amplifier (vga) stage with a high broad band
12/14/2004US6831657 Display control apparatus for displaying gain setting value in predetermined color hue
12/09/2004WO2004107574A1 Channel selector with automatic gain control
12/09/2004WO2004107566A2 Temperature and process compensation of mosfet operating in sub-threshold mode
12/09/2004US20040246056 Radio frequency variable gain amplifier with linearity insensitive to gain
12/09/2004US20040246053 Highly linear variable gain amplifier
12/09/2004CA2526811A1 Temperature and process compensation of mosfet operating in sub-threshold mode
12/08/2004EP1484840A2 Radio frequency variable gain amplifier with linearity insensitive to gain
12/07/2004US6828860 Gigabit ethernet transceiver with analog front end
12/07/2004US6828845 Analogue selector
12/07/2004US6828831 Circuit for controlling field effect device transconductance
12/02/2004US20040239421 Variable gain amplifier
12/02/2004US20040239419 Db-linear bariable gain amplifier (vga) stage with a high broad band
12/02/2004US20040239412 Circuit for controlling field effect device transconductance
12/02/2004US20040239398 Squaring cells and multipliers using summed exponentials
12/01/2004EP1020027B1 Cmos differential voltage controlled logarithmic attenuator and method
11/2004
11/30/2004US6825723 Low noise gain-controlled amplifier
11/25/2004US20040232993 Multi-band low noise amplifier
11/25/2004US20040232991 Temperature and process compensation of mosfet operating in sub-threshold mode
11/25/2004US20040232980 Apparatus, system, and method for amplifying a signal, and applications thereof
11/25/2004DE10334385B3 Electronic amplifier circuit e.g. HF tuner, has expansion factor provided for first amplifier stage by expansion circuit adapted for second amplifier stage by adaption circuit
11/23/2004US6822511 Integrated power amplifier circuit
11/18/2004WO2004100360A1 Adaptor for adapting amplitudes of radio frequency signals
11/18/2004US20040229582 Variable gain amplifier, and AM-modulated signal reception circuit and detection circuit
11/18/2004US20040227576 Equal phase multiple gain state amplifier
11/18/2004US20040227569 Amplifier circuit with passive gain step circuit
11/16/2004US6819914 Differential mixer injection with optional step gain control
11/16/2004US6819183 Temperature and process compensation of MOSFET operating in sub-threshold mode
11/16/2004US6819179 Variable gain low noise amplifier
11/11/2004WO2004098048A2 Differential amplifier with selectable gain
11/11/2004US20040222838 Linearizing apparatus and method
11/10/2004CN1545801A Adaptive bandwidth control in a kinescope amplifier
11/09/2004CA2315848C Method and apparatus for an automatic predistortion system
11/04/2004WO2004095692A2 Linearizing apparatus and method
11/04/2004US20040219898 Variable gain amplifier for low voltage applications
11/04/2004US20040217819 Circuit arrangement comprising cascade field effect transistors
11/04/2004US20040217815 Variable gain amplifier circuit using variable impedance circuit
11/04/2004US20040217814 Amplifier apparatus, method, and system
11/02/2004US6812789 RF power amplifier digital gain flattening over multiband frequencies
11/02/2004US6812770 Mixer with exponentially variable gain
10/2004
10/28/2004WO2004093312A1 A method of controlling a variable gain amplifier and electronic circuit
10/28/2004WO2004051846A3 Gain compensation over temperature and frequency variations in wireless transceivers
10/28/2004US20040213355 Gain compensation over temperature and frequency variations in wireless transceivers
10/28/2004US20040212740 Adaptive bandwidth control in a kinescope amplifier
10/28/2004US20040212417 Large gain range, high linearity, low noise MOS VGA
10/27/2004EP1177629B1 Output buffer with independently controllable current mirror legs
10/27/2004CN1541443A Open loop variable gain amplifier using replica gain cell
10/27/2004CN1173466C Interplator having dual transistor ranks and ratiometric control and method for generating multiple interpolator current
10/27/2004CN1173463C Method and apparatus using for automatic predistoring system
10/26/2004US6809592 High-frequency circuit
10/26/2004US6809591 AGC circuit providing control of output signal amplitude and of output signal DC level
10/26/2004CA2207745C Method and apparatus for increasing receiver immunity to interference
10/21/2004US20040207471 Variable gain low noise amplifier
10/20/2004EP1469595A2 Negative feedback amplifier
10/14/2004WO2004015858A3 Highly linear variable gain amplifier
10/14/2004US20040203553 Communication semiconductor integrated circuit device and wireless communication system
10/13/2004EP1446873A4 Method and system for multiple tuner application using a low noise broadband distribution amplifier
10/12/2004US6803829 Integrated VCO having an improved tuning range over process and temperature variations
10/12/2004US6803824 Dynamic matching in cascode circuits
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