| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 02/23/2006 | US20060038615 Differential structure programmable gain instrumentation amplifier |
| 02/23/2006 | US20060038614 Programmable gain instrumentation amplifier with improved gain multiplexers |
| 02/23/2006 | US20060038613 Power amplifier and radio communication device using the amplifier |
| 02/23/2006 | US20060038612 Power amplifier and radio communication device using the amplifier |
| 02/23/2006 | US20060038113 Photodetector arrangement and method for stray ligh compensation |
| 02/23/2006 | DE112004000525T5 Schaltbare Verstärkerschaltung mit einem reduzierten Abschaltstrom Switchable amplifier circuit with a reduced turn-off current |
| 02/23/2006 | DE102004038551A1 Signal amplifier for motor vehicle antenna, has a negative channel metal oxide semiconductor field effect transistor connected as a source follower along with drain and gate connections |
| 02/22/2006 | EP1628392A1 Amplification device |
| 02/22/2006 | CN1739236A Gain variable voltage/current conversion circuit and filter circuit using the same |
| 02/22/2006 | CN1739235A Doherty amplifier and its distortion characteristic compensation method |
| 02/22/2006 | CN1739124A Circuit arrangements and methods for a remote control receiver having a photodiode |
| 02/22/2006 | CN1738327A Handset multimedia playing device and method |
| 02/22/2006 | CN1738195A High frequency amplification circuit and mobile communication terminal using the same |
| 02/22/2006 | CN1738194A Photoreceptor amplifier circuit and optical pickup |
| 02/22/2006 | CN1738193A Digital amplifier protection circuit |
| 02/22/2006 | CN1738192A Method and apparatus for control of predistortion linearizer based on power series |
| 02/22/2006 | CN1738048A Cascode amplifier, its circuit and method for manufacturing such amplifier arrangement |
| 02/22/2006 | CN1243409C Buffer circuit and driver IC |
| 02/22/2006 | CN1243408C Multistage amplifier and integrated circuit |
| 02/21/2006 | US7002498 Analog demultiplexing |
| 02/21/2006 | US7002413 Voltage amplification circuit |
| 02/21/2006 | US7002412 Transconductance circuit |
| 02/21/2006 | US7002411 Amplifier with fixed input impedance operated in various gain modes |
| 02/21/2006 | US7002407 Delay mismatched feed forward amplifier system using penalties and floors for control |
| 02/21/2006 | US7002406 Loop filter for class D amplifiers |
| 02/21/2006 | US7002405 Linear low noise transconductance cell |
| 02/21/2006 | US7002401 Voltage buffer for capacitive loads |
| 02/21/2006 | US7002238 Use of a down-bond as a controlled inductor in integrated circuit applications |
| 02/16/2006 | WO2006017202A1 System and method for current-mode amplitude modulation |
| 02/16/2006 | WO2005013477A3 Power distribution and biasing in rf switch-mode power amplifiers |
| 02/16/2006 | US20060033584 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier |
| 02/16/2006 | US20060033579 Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method |
| 02/16/2006 | US20060033578 Circuitry and method for accelerated switching of an amplifier |
| 02/16/2006 | US20060033577 Amplifier circuit |
| 02/16/2006 | US20060033576 Amplifier circuit having an impedance-controllable bias-boosting circuit |
| 02/16/2006 | US20060033573 Amplifying circuit |
| 02/16/2006 | US20060033572 Method and circuit for trimming a current source in a package |
| 02/16/2006 | US20060033571 Differential gain stage for low voltage supply |
| 02/16/2006 | US20060033570 Differential amplifier |
| 02/16/2006 | US20060033568 Predistortion linearizing |
| 02/16/2006 | US20060033566 Power amplifier and radio communication device using the amplifier |
| 02/16/2006 | US20060033565 Power amplifier and radio communication device using the amplifier |
| 02/16/2006 | US20060033564 Power amplifier and radio communication device using the amplifier |
| 02/16/2006 | US20060033563 Power amplifier and radio communication device using the amplifier |
| 02/16/2006 | US20060033562 MOSFET amplifier having feedback controlled transconductance |
| 02/16/2006 | US20060033560 Variable time constant circuit and filter circuit using the same |
| 02/16/2006 | DE19736900B4 Leitungsempfängerschaltkreis mit großem Gleichtaktspannungsbereich für differentielle Eingangssignale Line receiver circuit with large common-mode voltage range for differential input signals |
| 02/16/2006 | CA2573862A1 System and method for current-mode amplitude modulation |
| 02/15/2006 | EP1626508A1 Transmission output control circuit, and wireless device using the same |
| 02/15/2006 | EP1626496A1 Differential gain stage for low voltage supply |
| 02/15/2006 | EP1626441A2 Cascode device and corresponding circuit and manufacturing method |
| 02/15/2006 | EP1625656A1 Circuit for improved differential amplifier and other applications |
| 02/15/2006 | EP1625655A1 Method of estimating an intersection between at least two continuous signal representations |
| 02/15/2006 | CN1736022A Controllable RF broadband amplifier with a constant input impedance |
| 02/15/2006 | CN1734932A Gain-changeable amplifying circuit |
| 02/15/2006 | CN1734931A Wireless sound box |
| 02/15/2006 | CN1734930A High linearity programmable gain amplifier using switch |
| 02/15/2006 | CN1242565C Method and arrangement for power amplificaion in a basestation |
| 02/15/2006 | CN1242551C Portable multi-channel amplifier |
| 02/15/2006 | CN1242549C High linearity complementary metal oxid semiconductor transduction circuit |
| 02/15/2006 | CN1242548C Bandgap reference circuit and method |
| 02/14/2006 | US6999740 Semiconductor integrated circuit and radio communication apparatus using same |
| 02/14/2006 | US6999518 Receiver and transmission in a transmission system |
| 02/14/2006 | US6998943 High-frequency power amplifier |
| 02/14/2006 | US6998921 Method for avoiding avalanche breakdown caused by a lateral parasitic bipolar transistor in an MOS process |
| 02/14/2006 | US6998920 Monolithically fabricated HBT amplification stage with current limiting FET |
| 02/14/2006 | US6998918 Automatic current reduction biasing technique for RF amplifier |
| 02/14/2006 | US6998917 Common-mode feedback circuit and differential operational amplifier circuit having stable operation and low power consumption |
| 02/14/2006 | US6998916 Feed forward amplifier system using penalties and floors for optimal control |
| 02/14/2006 | US6998914 Multiple polar amplifier architecture |
| 02/14/2006 | US6998913 Method and apparatus for linear low-frequency feedback in monolithic low-noise charge amplifiers |
| 02/14/2006 | US6998911 Gate control circuit with soft start/stop function |
| 02/14/2006 | US6998910 Amplifier using delta-sigma modulation |
| 02/14/2006 | US6998907 Apparatus and method for receiving high-common mode voltage range signals with low-voltage devices |
| 02/14/2006 | US6998894 Current controlled pulse width modulation circuit and class-D amplifier comprising the same |
| 02/14/2006 | US6998879 Level determination circuit determining logic level of input signal |
| 02/14/2006 | US6998722 Semiconductor latches and SRAM devices |
| 02/14/2006 | CA2431297C Switching amplification apparatus |
| 02/09/2006 | WO2006014501A2 Parallel amplifier configuration with power combining and impedance transformation |
| 02/09/2006 | WO2006013893A1 Transimpedance amplifier |
| 02/09/2006 | WO2006013841A1 Receiving method and receiving circuit |
| 02/09/2006 | WO2006013543A1 Transconductor circuits |
| 02/09/2006 | WO2006013019A1 Controllable power operational transconductance amplifier |
| 02/09/2006 | WO2006012784A1 Fet bias circuit |
| 02/09/2006 | WO2005101538A3 Transconductance circuit for piezoelectric transducer |
| 02/09/2006 | US20060030283 Cellular telephone |
| 02/09/2006 | US20060028411 Data drive circuit for current writing type AMOEL display panel |
| 02/09/2006 | US20060028279 Automatic gain control feedback amplifier |
| 02/09/2006 | US20060028278 Radio frequency power amplifier module |
| 02/09/2006 | US20060028276 CMOS-configured transconductance amplifier circuit |
| 02/09/2006 | US20060028275 Differential amplifier having independently tunable base gain, peak gain and boost frequency, and uses of same |
| 02/09/2006 | US20060028274 Differential amplifier, and data driver of display device using the same |
| 02/09/2006 | US20060028273 Gain-boosted opamp with capacitor bridge connection |
| 02/09/2006 | US20060028272 Class D amplifier |
| 02/09/2006 | US20060028270 Adaptable voltage control for a variable gain amplifier |
| 02/09/2006 | US20060028268 Method and apparatus for calibrating center frequency of power amplifier |
| 02/09/2006 | DE10231433B4 Schaltungsanordnung zur Steuerung lastabhängiger Treiberstärken Circuitry for controlling load-dependent drive strengths |
| 02/09/2006 | DE102005033262A1 D-Klasse-Verstärker D-class amplifier |
| 02/09/2006 | DE102004031603A1 Verfahren zur Formung von Signalspektren A method of forming of signal spectra |
| 02/08/2006 | EP1624598A1 Carrier to noise ratio estimations from a received signal |