Patents
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
02/2004
02/24/2004US6696680 Variable resistance circuit, operational amplification circuit and semiconductor integrated circuit
02/19/2004WO2004015859A2 Variable gain amplifier with improved control characteristics linearity
02/19/2004WO2004015858A2 Highly linear variable gain amplifier
02/19/2004WO2004015855A1 Volume adjustment device, digital amplifier, and digital signal reproducing device
02/18/2004CN1139183C Power amplifier and control circuit thereof
02/18/2004CN1139182C High frequency variable gain amplifier device and wireless communication terminal
02/17/2004US6693492 Variable gain low-noise amplifier and method
02/17/2004US6693491 Method and apparatus for controlling an audio signal level
02/12/2004WO2003049284A3 Integrated circuit with an amplifier
02/12/2004WO2002071601A3 Preamplifier circuit for a photodetector
02/12/2004US20040029539 Receiver
02/12/2004US20040027200 Highly linear variable gain amplifier
02/11/2004CN1475044A Variable gain amplifier of low power consumption
02/11/2004CN1138344C Method and apparatus for automatic gain control
02/10/2004US6690236 Gain variable amplifier
02/10/2004CA2233887C Optical encoder for indicating the position of an adjustable member
02/05/2004WO2004012329A1 Gain-variable amplifier
02/05/2004US20040021508 System and method for activating gain stages in an amplification module
02/04/2004EP1387486A2 Amplifier circuit and multistage amplifier circuit
02/03/2004US6687489 Implementing RF power measurements in a broadband communications device
02/03/2004US6686799 Burst mode limiter-amplifier
01/2004
01/29/2004WO2002097979A3 Programmable logarithmic gain adjustment for open-loop amplifiers
01/29/2004DE10230529A1 Verfahren zur Verstärkungsadaption zur sicheren Erkennung eines Kommunikationssignals A method for enhancing adaptation for the reliable detection of a communication signal
01/28/2004CN1136665C Programmable linear receiver and method for providing programmable linear in receiver
01/27/2004US6684065 Variable gain amplifier for low voltage applications
01/22/2004US20040012445 High frequency power amplifier module and wireless communication system
01/22/2004US20040012441 RF power amplifier digital gain flattening over multiband frequencies
01/20/2004US6680647 Low noise amplifier circuit with phase matched switch topology
01/20/2004US6680640 High linearity large bandwidth, switch insensitive, programmable gain attenuator
01/15/2004WO2004006430A1 Agc circuit
01/15/2004WO2004006429A1 Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method
01/15/2004US20040008094 Bypass arrangement for low-noise amplifier
01/15/2004DE19810620B4 Breitbanddämpfungseinrichtung zur frequenzkompensierten Dämpfung von Hochfrequenzsignalen eines Frequenzbandes Wide-band attenuation means for frequency-compensated attenuation of high frequency signals of a frequency band
01/14/2004EP1381162A2 Bypass arrangement for low-noise amplifier
01/14/2004CN1467911A Variable gain control circuit and integrated circuit device having the same
01/14/2004CN1134901C High-frequency amplifier, transmitting device, receiving device and method for controlling amplifier status
01/07/2004CN1134104C System for improving dynamic range of ransmitter power measuremkent in cellular telephone
01/02/2004EP1374396A1 Variable gain low-noise amplifier for a wireless terminal
12/2003
12/30/2003US6670848 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier
12/25/2003WO2003107531A1 Switchable gain amplifier
12/25/2003US20030234690 Variable gain control circuit and integrated circuit device having the same
12/24/2003WO2003012985A3 Method and apparatus for analog multipliers employed in analog filtering system
12/23/2003US6667669 Differential pin diode attenuator
12/23/2003US6667660 Temperature sensor and circuit configuration for controlling the gain of an amplifier circuit
12/23/2003US6667658 Compact variable gain amplifier
12/18/2003WO2003015265A3 Open loop variable gain amplifier using replica gain cell
12/18/2003WO2002095938A3 Db-linear variable gain amplifier (vga)stage with a high broad band
12/18/2003US20030232609 Switchable gain amplifier
12/18/2003US20030231059 Variable gain amplifier
12/18/2003US20030231055 Impedance matching L w N ise amplifier having a bypass switch
12/17/2003CN1462027A Voice-frequency processing equipment and voice-frequency processing method
12/11/2003WO2003103138A1 Transresistance amplifier for a charged particle detector
12/11/2003WO2003103137A1 Amplification device
12/11/2003WO2002067420A3 Direct conversion receiver architecture
12/11/2003US20030228852 Semiconductor integrated circuit device and wireless communication system
12/11/2003US20030227318 Circuit arrangement for a current-controlled resistor having an enlarged linear range
12/11/2003US20030227303 LVDS driver in bipolar and MOS technology
12/10/2003EP1369993A1 LVDS-driver in bipolar and MOS technology
12/10/2003EP0824794B1 Funkempfänger mit RF Verstärker
12/10/2003CN1130877C Information processing apparatus and method
12/09/2003US6661283 Wide gain range and fine gain step programmable gain amplifier with single stage switched capacitor circuit
12/04/2003US20030223599 Audio signal processing apparatus and audio signal processing method
12/04/2003US20030222717 Variable gain amplifier having improved gain slope characteristic and linearity
12/04/2003US20030222716 Operational transconductance amplifier and AGC amplifier using the same
12/02/2003US6657498 Variable gain low-noise amplifier for a wireless terminal
12/02/2003US6657494 Variable gain mixer-amplifier with fixed DC operating voltage level
12/02/2003US6657491 System and method for activating gain stages in an amplification module
11/2003
11/27/2003WO2002093734A3 Circuit arrangement comprising cascaded field effect transistors
11/27/2003US20030218505 Low noise gain-controlled amplifier
11/27/2003US20030218502 Variable gain amplifier
11/26/2003EP1365504A2 Low noise gain-controlled amplifier
11/25/2003US6653901 System and method for a startup circuit for a differential CMOS amplifier
11/20/2003WO2003096528A2 Wide-dynamic-range, variable-gain, low-noise amplifier circuit
11/20/2003US20030214357 Broadband variable gain amplifier with high linearity and variable gain characteristic
11/19/2003EP1363250A1 Magnetic verification system for bill acceptor
11/19/2003EP1362419A1 Normalizing circuit with reduced error voltage
11/19/2003EP0935847B1 Method and apparatus for controlling signal amplitude level
11/19/2003CN1128511C Improved pilot detection method for control system that reduces distortion produced by electrical circuits
11/13/2003WO2003094344A1 Improved variable gain amplifier
11/12/2003CN1127807C Improvements in or relating to radio receivers
11/11/2003US6646509 Layout technique for matched resistors on an integrated circuit substrate
11/06/2003WO2002051002A3 A variable transconductance amplifier
11/06/2003US20030207671 Temperature compensation circuit and a variable gain amplification circuit
11/06/2003US20030206063 Method and system for producing a drive signal for a current steering amplifier
11/06/2003US20030206062 Variable gain amplifier
11/06/2003US20030206055 Signal processing stage and radio frequency tuner
11/05/2003EP1359666A2 Signal processing stage and radio frequency tuner
10/2003
10/30/2003US20030204471 Magnetic verification system for bill acceptor
10/30/2003US20030201824 Method and apparatus for exponential gain variations with a linearly varying input code
10/29/2003EP1357664A2 Variable gain amplifer
10/29/2003CN1126244C Gain changeable amplifier circuit
10/28/2003US6639469 Variable-gain amplifier circuit
10/23/2003US20030197560 Dual gain amplification low noise amplifier
10/16/2003WO2003085849A1 Communication apparatus
10/16/2003US20030194978 System and method for coarse/fine PLL adjustment
10/16/2003US20030193370 System and method of amplifier gain control by variable bias and degeneration
10/15/2003EP1194742B1 Particle sensor
10/15/2003CN1124680C High dynamic range variable gain amplifier
10/09/2003WO2002033821A3 Mobile telephone comprising an improved transmitter
10/08/2003EP1351400A2 Quad switched gain circuit
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