| Patents for H03G 1 - Details of arrangements for controlling amplification (4,021) |
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| 05/02/2002 | DE10050740A1 Negative feedback amplifier with changeable amplification by changeable resistance ratio |
| 04/25/2002 | WO2002033821A2 Mobile telephone comprising an improved transmitter |
| 04/25/2002 | WO2002033819A2 Amplifier having stacked current-driven current drivers |
| 04/25/2002 | US20020047811 Antenna unit and receiving circuit |
| 04/23/2002 | US6377315 System and method for providing a low power receiver design |
| 04/18/2002 | WO2002031972A2 Amplification circuit with improved linearity |
| 04/10/2002 | EP1194742A1 Particle sensor |
| 04/09/2002 | US6369649 Transmission power amplification method and apparatus |
| 04/09/2002 | US6369635 Temperature-compensated diode rectifier circuit for an HF level controller |
| 04/04/2002 | US20020039047 Power amplifier with gain change compensation |
| 04/03/2002 | EP1193868A2 Variable gain amplifier device |
| 04/03/2002 | CN1082313C 可变增益放大器 Variable gain amplifier |
| 03/26/2002 | US6362704 Circuit arrangement improving the control characteristics of an attenuator |
| 03/26/2002 | US6362684 Amplifier having an adjust resistor network |
| 03/19/2002 | US6359514 Switchable path power amplifier with combining network |
| 03/19/2002 | US6359511 System and method for current splitting for variable gain control |
| 03/19/2002 | US6359507 Method and apparatus for an automatic predistortion system |
| 03/19/2002 | US6359498 Temperature compensation AGC circuit with temperature characteristic of AGC voltage |
| 03/14/2002 | WO2002021687A2 System and method for varying levels of low audio frequences inversely with audio signal level |
| 03/13/2002 | CN1340193A Variable gain amplifier with temperature compensation for use in a disk drive system |
| 03/12/2002 | US6356154 FET-based, linear voltage-controlled resistor for wide-band gain control circuit |
| 03/12/2002 | US6356150 Portable integrated switching power amplifier |
| 03/07/2002 | WO2001035527A3 Gigabit ethernet transceiver with analog front end |
| 03/07/2002 | US20020027477 Microwave amplifying circuit, microwave amplifying device, and distortion compensation circuit |
| 03/06/2002 | EP1184974A2 Antenna unit and receiving circuit |
| 03/06/2002 | CN1080515C Automatic gain control |
| 03/06/2002 | CN1080483C Automatic gain control circuit for radio receiver |
| 02/28/2002 | US20020025792 AGC amplifier circuit for use in a digital satellite broadcast receiver apparatus |
| 02/28/2002 | US20020025788 Transmitter |
| 02/26/2002 | US6351188 Variable gain amplifier circuit and gain control method |
| 02/21/2002 | WO2001048491A3 Rms-dc converter having gain stages with variable weighting coefficients |
| 02/21/2002 | US20020021174 Variable gain amplifier with high linearity and low noise |
| 02/21/2002 | US20020021169 Combining networks for switchable path power amplifiers |
| 02/21/2002 | US20020021164 Eliminating power-down popping in audio power amplifiers |
| 02/21/2002 | US20020021148 Current control of output swing |
| 02/14/2002 | WO2002013378A2 System and method for low-noise amplifier with a high frequency response |
| 02/14/2002 | US20020017951 Preamplification circuit |
| 02/12/2002 | US6346857 Gamma conversion circuit changeable gain rate and amplifing capable range thereof |
| 02/07/2002 | WO2001073381A3 Particle sensor |
| 02/07/2002 | US20020014918 Temperature sensor and circuit configuration for controlling the gain of an amplifier circuit |
| 02/06/2002 | EP1177629A2 Output buffer with independently controllable current mirror legs |
| 02/06/2002 | EP1177621A2 Mos variable gain amplifier |
| 02/05/2002 | CA2280878C An amplifier for continuous high gain, narrowband signal amplification |
| 01/31/2002 | WO2002009277A2 Negative feedback gain control for common electrode transistor |
| 01/30/2002 | EP1176713A1 Gilbert-cell mixer with gain control |
| 01/30/2002 | EP1176712A2 Variable gain amplifier |
| 01/30/2002 | CN1333945A Automatic gain control for slotted mode operation |
| 01/30/2002 | CN1333635A Method and device for amplifying transmission power |
| 01/29/2002 | US6342813 Variable gain amplifier |
| 01/24/2002 | WO2001045252A3 Interpolator having dual transistor ranks and ratiometric control |
| 01/24/2002 | US20020008582 Variable gain amplifier |
| 01/24/2002 | US20020008580 Automatic gain control circuit, and optical receiver using the same |
| 01/24/2002 | US20020008576 Transmission power amplification method and apparatus |
| 01/17/2002 | WO2002005430A1 Dual fet differential voltage controlled attenuator |
| 01/17/2002 | US20020005760 Variable gain amplifier circuit and gain control method |
| 01/16/2002 | CN1331523A Automatic gain control device |
| 01/09/2002 | CN1330811A Method and apparatus for automatic gain control |
| 01/08/2002 | US6337974 Cellular mobile telephone terminal |
| 01/08/2002 | US6337585 Transconductor |
| 01/08/2002 | CA2228347C Active apd gain control for an optical receiver |
| 01/03/2002 | US20020000866 Temperature-compensated diode rectifier circuit for an HF level controller |
| 01/02/2002 | EP1168605A2 Automatic gain control apparatus |
| 01/02/2002 | EP0857293B1 Optical encoder for indicating the position of an adjustable member |
| 12/27/2001 | WO2001048915A3 Electronic circuit |
| 12/27/2001 | US20010055956 Automatic gain control apparatus |
| 12/19/2001 | EP1082817A4 Merged variable gain mixers |
| 12/18/2001 | US6331804 Amplifier and radio communication apparatus using the same |
| 12/18/2001 | US6331803 Constant bandwidth, variable gain amplifier, and method |
| 12/18/2001 | CA2254229C Improved pilot detection for a control system that reduces distortion produced by electrical circuits |
| 12/13/2001 | US20010050625 Method and apparatus for automatic gain control |
| 12/12/2001 | EP1162731A2 Microwave amplifying circuit, microwave amplifying device, and distortion compensation circuit |
| 12/12/2001 | CN1326614A High efficiency switched gain power amplifier |
| 12/11/2001 | US6329260 Analog-to-digital converter and method of fabrication |
| 12/05/2001 | EP1099302B1 Signal level control circuit for amplifiers |
| 12/04/2001 | US6326848 Circuits and methods for monitoring a signal in a network |
| 11/28/2001 | EP1157458A1 Multiple stage high dynamic range variable gain amplifier |
| 11/20/2001 | US6320890 Laser driving circuit capable of stably controlling laser output |
| 11/20/2001 | US6320425 Dual FET differential voltage controlled attenuator |
| 11/15/2001 | US20010041548 Variable gain amplifier for low voltage applications |
| 11/15/2001 | US20010040481 Radio communication apparatus and radio frequency power amplifier |
| 11/15/2001 | DE10022633A1 Device for sound amplifier control of audio equipment esp. television and radio, uses remote control via loud- and soft-commands of the actual sound level for controlling the audio equipment |
| 11/14/2001 | EP1153390A1 Variable gain amplifier with temperature compensation for use in a disk drive system |
| 11/14/2001 | EP0836766B1 Degenerated differential pair with controllable transconductance |
| 11/14/2001 | CN1322400A System for improving dynamic range of transmitter power measurement in cellular telephone |
| 11/13/2001 | US6317502 Electronic volume control circuit with controlled output characteristic |
| 11/13/2001 | US6316997 CMOS amplifiers with multiple gain setting control |
| 10/31/2001 | EP1149468A1 Fixed gain operational amplifiers |
| 10/31/2001 | EP1149467A1 Amplifier |
| 10/31/2001 | EP1149391A1 Multi-track integrated spiral inductor |
| 10/31/2001 | CN1320299A Volume adjuster for sound generating device |
| 10/31/2001 | CN1074212C Pre-amplifier |
| 10/25/2001 | US20010034217 System and method for selectively interconnecting amplifiers in a communications device |
| 10/25/2001 | US20010033199 Variable-gain circuit |
| 10/25/2001 | DE10019032A1 Electronic hi-fi controller built into diverse audio equipment, includes manual controls and LCD to set stepped volume control and timing function |
| 10/24/2001 | CN1073761C AGC voltage correction circuit |
| 10/17/2001 | EP1145430A2 Fully integrated tuner architecture |
| 10/17/2001 | EP1145427A1 Automatic gain control for slotted mode operation |
| 10/17/2001 | EP1145318A2 System and method for esd protection |
| 10/17/2001 | CN1318222A Method and appts. for controlling audio signal level |
| 10/16/2001 | USRE37407 Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier |