Patents
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
10/2003
10/08/2003EP1351383A2 Analog multiplexer and variable gain amplifier for intermediate frequency applications
10/08/2003EP1351382A2 Differential PIN diode attenuator
10/07/2003US6630861 Variable gain amplifier
10/02/2003US20030185411 Single channel sound separation
10/02/2003US20030185250 Analog multiplexer and variable gain amplifier for intermediate frequency applications
10/02/2003US20030184461 Differential pin diode attenuator
10/02/2003US20030184377 Quad switched gain circuit
10/02/2003US20030184312 Variable impedance network with coarse and fine controls
10/01/2003EP1349268A2 Large gain range, high linearity, low noise MOS VGA
09/2003
09/30/2003US6628170 Low noise amplifier
09/30/2003US6628164 Method and apparatus for exponential gain variations with a linearly varying input code
09/24/2003EP1347571A2 System and method for a startup circuit for a differential CMOS amplifier
09/24/2003CN1122255C Karaoke amplifier with variable settable range of parameter to control audio signal
09/18/2003WO2003077415A1 Front stage amplifier with different modes
09/16/2003US6621348 Variable gain amplifier with autobiasing supply regulation
09/16/2003US6621344 Variable gain amplifier stage
09/16/2003US6621343 Open loop variable gain amplifier using replica gain cell
09/16/2003US6621341 Diagnostic medical ultrasound systems having a method and circuitry for front-end gain control
09/11/2003US20030169112 Variable gain amplifier with low power consumption
09/11/2003US20030169090 Mixer with exponentially variable gain
09/09/2003US6617927 High frequency power amplifier module, and wireless communications system
09/03/2003EP1341301A1 High-frequency circuit
09/03/2003EP1340349A2 Method and apparatus for adjusting the phase of a received signal
09/03/2003CN1440189A Image signal processor
09/03/2003CN1120578C Device and method for regulating transmitting/receiving signal gains
09/02/2003US6614304 Variable gain circuit having external controls and a low supply voltage
08/2003
08/28/2003US20030162521 System and method for on-chip filter tuning
08/28/2003US20030160655 Antenna amplifier
08/27/2003EP1338087A2 Automatic mute by baby monitor
08/27/2003CN1119858C Radio communication apparatus and its transmitted power controlling method
08/27/2003CN1119855C Amplifier with adjustable bias current
08/26/2003US6611611 Particle sensor
08/21/2003US20030156221 Video signal processing apparatus
08/21/2003US20030155973 Variable gain amplifier
08/21/2003US20030155970 Programmable gain amplifier with glitch minimization
08/20/2003EP1337049A2 Radio base station
08/20/2003EP1337035A1 Mixer with exponentially variable gain
08/20/2003CN1437792A Negative feedback gain control for common electrode transistor
08/20/2003CN1118813C Input signal amplifier
08/14/2003WO2003067755A1 Semiconductor circuit
08/14/2003US20030151417 Programmable front end for a receiving channel
08/13/2003EP1177621B1 Mos variable gain amplifier
08/12/2003US6605999 High-frequency power amplifier, wireless communication apparatus and wireless communication system
08/12/2003US6605996 Automatically gain controllable linear differential amplifier using variable degeneration resistor
08/07/2003WO2003065598A1 Power amplification apparatus of portable terminal
08/07/2003US20030148751 Differential mixer injection with optional step gain control
08/07/2003US20030148747 Radio base station
08/06/2003EP0839406B1 Gain control
08/05/2003US6603351 Power amplifier with gain change compensation
08/05/2003CA2318146C Gain control amplifier, variable gain and automatic gain control amplifiers including differential circuit transistors and current splitter
07/2003
07/31/2003WO2003063345A2 Dual gain amplification low noise amplifier
07/31/2003US20030141932 Communication semiconductor integrated circuit device and wireless communication system
07/30/2003EP1331740A2 Layout technique for matched resistors on an integrated circuit substrate
07/30/2003EP1331732A2 System and method for a programmable gain amplifier
07/30/2003CN1433518A RMS-DC converter having gain stages with variable weighting coefficients
07/30/2003CN1116736C Double-side band pilot technology for distorted control system generated from reducing circuit
07/29/2003US6600377 Gain control amplifier
07/29/2003US6600372 Attenuator control circuit
07/29/2003US6600371 Low noise amplifier
07/24/2003US20030140320 Layout technique for matched resistors on an integrated circuit substrate
07/24/2003US20030137354 Interpolator having dual transistor ranks and ratiometric control
07/24/2003US20030137353 System and method for a programmable gain amplifier
07/24/2003US20030137352 Variable gain amplifier circuitry in automatic gain control
07/24/2003US20030137349 System and method for a startup circuit for a differential CMOS amplifier
07/23/2003EP1329020A2 Amplifier having stacked current-driven current drivers
07/22/2003US6597650 Nonlinearity compensation circuit and method, control circuit and method for nonlinearity compenstation circuit and recording and/or playback apparatus employing the same
07/16/2003EP1327301A2 Amplification circuit with improved linearity
07/15/2003US6594474 Controlled-gain power amplifier device, in particular for radio-frequency circuits applied to cellular mobile telephony
07/10/2003US20030128071 Variable transconductance variable gain amplifier utilizing a degenerated differential pair
07/08/2003US6591091 System and method for coarse/fine PLL adjustment
07/08/2003US6591087 Radio communication apparatus
07/08/2003US6590454 System and method for current splitting for variable gain control
07/08/2003US6590430 Dual use of an integrated circuit pin and the switching of signals at said pin
07/03/2003US20030122676 Baby monitor and method for monitoring sounds and selectively controlling audio devices
07/03/2003US20030122623 Gain control circuit for controlling a gain in a variable gain cell
07/03/2003US20030122622 Low power variable gain amplifier
07/03/2003US20030122614 Amplifier with feedback compensation
07/03/2003US20030122056 Variable resistance circuit, operational amplification circuit and semiconductor integrated circuit
07/01/2003US6586996 Method and system for producing a drive signal for a current steering amplifier
07/01/2003US6586993 Impedance matching low noise amplifier having a bypass switch
06/2003
06/26/2003US20030117218 Amplifier circuit and method
06/25/2003EP1062727B1 Gain control amplifier, variable gain amplifier and automatic gain control amplifier
06/24/2003US6584201 Remote automatic volume control apparatus
06/24/2003US6583668 Wideband variable gain amplifier with low power supply voltage
06/24/2003US6583667 High frequency CMOS differential amplifiers with fully compensated linear-in-dB variable gain characteristic
06/19/2003US20030112644 Voltage multiplier circuit
06/19/2003US20030112078 Dynamic matching in cascode circuits
06/19/2003US20030112074 High-frequency circuit
06/19/2003US20030112072 Exponential function generator embodied by using a CMOS process and variable gain amplifier employing the same
06/19/2003US20030112065 Low noise amplifier circuit wih phase matched switch topology
06/18/2003CN1425219A Automatic mute by baby monitor
06/17/2003US6580327 Electronically controllable slope equalizer
06/12/2003WO2003049284A2 Integrated circuit with an amplifier
06/12/2003WO2003049282A1 Fully-differentiated differential amplifier with high input impedance
06/12/2003US20030107437 High speed linear variable gain amplifier architecture
06/12/2003US20030107427 Temperature compensation for internal inductor resistance
06/11/2003CN1423858A Interpolator having dual transistor ranks and ratiometric control
06/10/2003US6577190 Linear gain control amplifier
06/05/2003WO2003036790A3 Variable gain amplifier with autobiasing supply regulation
06/05/2003US20030102916 Automatically gain controllable linear differential amplifier using variable degeneration resistor
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