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