| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 07/21/2004 | CN1515072A Device and method for regulating output power of mobile radio telephone stations |
| 07/21/2004 | CN1515069A Bias adjustment for power amplifier |
| 07/21/2004 | CN1514539A Gain changeable amplifier |
| 07/21/2004 | CN1514250A Amplifier with gain in direct proportion to power voltage |
| 07/21/2004 | CN1158756C Optical amplifiers and optical transmission line |
| 07/21/2004 | CN1158755C Automatic gain control circuit for controlling multiple variable gain amplifier stage while estimating received signal power |
| 07/21/2004 | CN1158651C Amplifier capable of digital control gain and disc reader mounted the same device |
| 07/20/2004 | US6766176 Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
| 07/20/2004 | US6765436 Power supply based audio compression for digital audio amplifier |
| 07/20/2004 | CA2203395C Automatic sensitivity control |
| 07/15/2004 | WO2004059932A2 Optimization of soft decision device and feedback equalizer |
| 07/15/2004 | WO2004059885A1 Wireless communication device |
| 07/15/2004 | WO2004059564A1 Method of automatically setting the gain of an interrogator receiver within a non-contacting identification system |
| 07/15/2004 | WO2003065574A3 Variable impedance load for a variable gain radio frequency amplifier |
| 07/15/2004 | US20040138770 Audio reproducer suitable to practice musical instrument |
| 07/15/2004 | US20040138769 Digital amplifier and method for adjusting gain of same |
| 07/15/2004 | US20040137868 Automatic gain control |
| 07/15/2004 | US20040137861 Method and system for power control in radio transceivers |
| 07/15/2004 | US20040137859 Automatic gain controlling device and method, and radio communication device |
| 07/15/2004 | US20040137854 Smart amplifier for time division duplex wireless applications |
| 07/15/2004 | US20040137852 Direct conversion RF transceiver with automatic transmit power control |
| 07/15/2004 | US20040136683 AGC circuit |
| 07/15/2004 | US20040135673 Low power regulated amplifier for a transponder |
| 07/15/2004 | US20040135636 Protection circuit for extending headroom with off-chip inductors |
| 07/15/2004 | US20040135633 High frequency power amplification electric part and wireless communication system |
| 07/15/2004 | US20040135632 Variable gain amplifier |
| 07/15/2004 | US20040135628 High frequency power detector with dBm-linear characteristic and method of regulating the power of an electrical HF-oscillation |
| 07/14/2004 | EP1437023A1 Amplifier power detection circuitry |
| 07/14/2004 | CN1513226A Frequency switching under sampling |
| 07/14/2004 | CN1512665A 自动增益控制电路 AGC circuit |
| 07/14/2004 | CN1157848C Method and device for operating radio frequency power amplifier |
| 07/13/2004 | US6763470 System and method for dynamically amplifying a delayed analog signal based on amplitude information obtained from its digital representation |
| 07/13/2004 | US6763228 Precision automatic gain control circuit |
| 07/13/2004 | US6762647 Active protection circuit for load mismatched power amplifier |
| 07/08/2004 | WO2004057820A2 Decision feedback equalizer |
| 07/08/2004 | WO2004057781A1 Method for monitoring broadcast signals at alternative frequencies and gain control unit |
| 07/08/2004 | WO2004057757A1 Audio amplifier |
| 07/08/2004 | WO2004023631A3 Power supply based audio compression for digital audio amplifier |
| 07/08/2004 | US20040132420 Mobile communication terminal device and variable gain circuit |
| 07/08/2004 | US20040130393 Wideband precision fixed-gain amplifier architecture, apparatus, and method |
| 07/08/2004 | US20040130389 Digital amplifier |
| 07/08/2004 | US20040129862 Wideband transimpedance amplifier with automatic gain control |
| 07/08/2004 | DE10260749A1 Hochfrequenz-Leistungsdetektor mit dBm-linearer Kennlinie und Verfahren zur Regelung der Leistung einer elektrischen HF-Schwingung High-frequency power detector with dBm linear characteristic and method for controlling the power of an electric high frequency oscillation |
| 07/07/2004 | EP1435690A1 Digital amplifier |
| 07/07/2004 | EP1435688A1 Amplifier apparatus and receiver |
| 07/07/2004 | EP1435131A2 Automatic gain control circuit and an rf receiver and method using such a circuit |
| 07/07/2004 | EP1284075B1 Gain controller for quadrature transceiver |
| 07/07/2004 | EP1099303A4 Method and apparatus for controlling an audio signal level |
| 07/07/2004 | CN1511390A Automatic gain controlling device and method, and radio communication device |
| 07/07/2004 | CN1157016C Base station device and method for suppressing peak current |
| 07/07/2004 | CN1156985C Radio equipment and transmit power controlling method for the same |
| 07/07/2004 | CN1156961C Automatic gain controlling method and apparatus |
| 07/06/2004 | US6760635 Automatic sound reproduction setting adjustment |
| 07/06/2004 | US6760453 Portable terminal device for controlling received voice level and transmitted voice level |
| 07/06/2004 | US6759906 High frequency power amplifier circuit device |
| 07/06/2004 | US6759902 Single-detector automatic gain control circuit |
| 07/06/2004 | US6759901 Dynamic sensing regulator |
| 07/06/2004 | CA2289823C Complex filtering/agc radio receiver architecture for low-if or zero-if |
| 07/06/2004 | CA2188446C Method and apparatus for automatic gain control in a digital receiver |
| 07/01/2004 | WO2004055980A2 System for regulating the level of an amplified signal in an amplification chain. |
| 07/01/2004 | WO2003094345A3 Digital automatic gain control for transceiver devices |
| 07/01/2004 | WO2003075452B1 Method of adjusting gain and current consumption of a power amplifier circuit while maintaining linearity |
| 07/01/2004 | US20040125962 Method and apparatus for dynamic sound optimization |
| 07/01/2004 | US20040125896 Asymmetric digital subscriber line system capable of automatically controlling receipt gain and method thereof |
| 07/01/2004 | US20040124923 Amplifier with a gain proportional to power source voltage |
| 07/01/2004 | US20040124919 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
| 07/01/2004 | US20040124917 Variable gain amplifier |
| 07/01/2004 | US20040124913 Power amplifier circuit and method using bandlimited signal component estimates |
| 07/01/2004 | US20040124827 Automatic gain control (AGC) loop for characterizing continuous-time or discrete-time circuitry gain response across frequency |
| 06/30/2004 | EP1434430A1 High speed channel detection, storing, and switching apparatus and method thereof |
| 06/30/2004 | EP1434345A1 Telecommunications receiver with automatic gain control |
| 06/30/2004 | EP1020026B1 Apparatus and method for amplifying a signal |
| 06/30/2004 | CN1509554A Multiple bandwidth amplifier control system for mobile stations and method thereof |
| 06/30/2004 | CN1509109A Protable terminal having multi-purpose earhhone socket |
| 06/30/2004 | CN1509106A Radio frequency power amplifier module integrating power control circuit |
| 06/29/2004 | US6757834 Method and arrangement for minimizing power dissipation in a line driver |
| 06/29/2004 | US6757575 Systems and methods for implementing audio de-clicking |
| 06/29/2004 | US6757573 Method and system for authoring a soundscape for a media application |
| 06/29/2004 | US6757526 Battery life extending technique for mobile wireless applications using bias level control |
| 06/29/2004 | US6757396 Digital audio dynamic range compressor and method |
| 06/29/2004 | US6756850 High frequency power amplifier circuit |
| 06/29/2004 | US6756848 Amplifier device with gain switching, for a cellular mobile telephone in particular |
| 06/29/2004 | US6756843 Signal transmitter with pulse-controlled amplification |
| 06/29/2004 | US6756774 Constant voltage source, a constant voltage source circuit board and a method for applying a constant voltage |
| 06/29/2004 | US6755453 Deployable rigid system for crash energy management |
| 06/24/2004 | WO2004054312A2 Nxm crosspoint switch with band translation |
| 06/24/2004 | WO2004054145A2 Signal distribution system cascadable agc device and method |
| 06/24/2004 | WO2004054128A2 Integrated crosspoint switch with band translation |
| 06/24/2004 | WO2004054097A1 Preserving linearity of an isolator-free power amplifier by dynamically adjusting gain and phase |
| 06/24/2004 | US20040121746 Direct conversion receiver |
| 06/24/2004 | US20040120389 Squelch circuitry for high speed high frequency operation |
| 06/24/2004 | US20040119543 Wide dynamic range transimpedance amplifier with a controlled low frequency cutoff at high optical power |
| 06/24/2004 | US20040119536 Variable gain amplifier |
| 06/24/2004 | DE10353047A1 Variable-gain amplifier for radio frequency signals, has gain bypass device for passing RF input signal to output, bypassing field effect transistor when varying gain |
| 06/24/2004 | DE10257677A1 Audio system has mute switching electronics for interrupting output via loudspeaker after receiving mute switching signal generated after detecting incoming mobile telephone call |
| 06/23/2004 | EP1432156A1 Method for monitoring broadcast signals at alternative frequencies and gain control unit |
| 06/23/2004 | EP1432122A1 Gain control unit for controlling two or more amplifiers |
| 06/23/2004 | EP1430598A2 Dynamic biasing of a transmitter |
| 06/23/2004 | CN1507728A Dynamically varying linearity system for an RF front-end of a communication device |
| 06/23/2004 | CN1507689A Audio signal processing for speech communication |