| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/24/2001 | US6265938 Linear high-voltage drive stage and cathode-follower high-fidelity power amplifier implementing same |
| 07/24/2001 | US6265937 Push-pull amplifier with dual coplanar transmission line |
| 07/24/2001 | US6265936 Integrated amplifier arrangement |
| 07/24/2001 | US6265935 Amplifier for radio transmission |
| 07/24/2001 | US6265908 Low voltage balun circuit |
| 07/24/2001 | US6265907 Signal transmission circuit having intermediate amplifier circuit |
| 07/24/2001 | US6265724 Galvanic isolation coupling of current loop |
| 07/21/2001 | CA2330411A1 Rf power amplifier and improvements thereof |
| 07/21/2001 | CA2325826A1 Rf power amplifier system having inductive steering |
| 07/19/2001 | WO2001052405A2 Method and device for the linearization of a high-frequency high-capacity amplifier |
| 07/19/2001 | WO2001052404A2 System and method for linearizing vacuum electronic amplification |
| 07/19/2001 | WO2001051936A1 Electrical circuit arrangement for converting an electrical input variable into an impressed output electrical voltage |
| 07/19/2001 | DE10001530A1 Elektrische Schaltungsanordnung zur Umformung einer elektrischen Eingangsgröße in eine eingeprägte elektrische Ausgangsspannung Electrical circuit for converting an electrical input variable into an impressed electrical output voltage |
| 07/18/2001 | EP1116330A2 Differential input circuit for digital signal processing system |
| 07/18/2001 | EP1116325A1 High efficiency switched gain power amplifier |
| 07/18/2001 | EP1116324A1 Differential amplifier with gain linearization through transconductance compensation |
| 07/18/2001 | EP0694229B1 Multistage amplifier with hybrid nested miller compensation |
| 07/18/2001 | CN1304585A Differential line driver |
| 07/17/2001 | US6263084 Power amplifier and loudspeaker frame integration |
| 07/17/2001 | US6262633 High output current operational amplifier output stage |
| 07/17/2001 | US6262632 Concept and method to enable filterless, efficient operation of Class-D amplifiers |
| 07/17/2001 | US6262628 Differential amplifier circuit |
| 07/17/2001 | US6262627 Integrated power amplifier which allows parallel connections |
| 07/17/2001 | US6262626 Circuit comprising means for reducing the DC-offset and the noise produced by an amplifier |
| 07/17/2001 | US6262625 Operational amplifier with digital offset calibration |
| 07/17/2001 | US6262619 Method and system for power amplifier offset nulling |
| 07/17/2001 | US6262598 Voltage level shifter |
| 07/12/2001 | WO2001050600A1 Amplifier ctb reduction by phase filtering |
| 07/12/2001 | WO2001050596A1 Voltage level translation circuits |
| 07/12/2001 | WO2001050595A1 Voltage level translation circuits |
| 07/12/2001 | WO2001050582A1 Remote sensing by high-order filtering |
| 07/12/2001 | US20010007443 Differential amplifier, comparator, and A/D converter |
| 07/12/2001 | US20010007435 Distortion compensating apparatus |
| 07/12/2001 | DE10064103A1 Halbleiterschaltung mit Ausgangspufferschaltung und Treiberschaltung zum Treiben einer Ausgangspufferschaltung Semiconductor circuit with output buffer circuit and driver circuit for driving an output buffer circuit |
| 07/11/2001 | EP1114518A1 A two-port with a frequency-dependent network |
| 07/11/2001 | EP1114510A1 A method and arrangement for measuring temperature in an intermittently operating semiconductor |
| 07/11/2001 | CN1303536A Dual band transmitter |
| 07/10/2001 | US6259903 Tuner and if amplifier |
| 07/10/2001 | US6259644 Equipotential sense methods for resistive cross point memory cell arrays |
| 07/10/2001 | US6259335 Combining network to implement a power amplifier having monolithically integrated planar interconnect and transistors |
| 07/10/2001 | US6259324 Active bias network circuit for radio frequency amplifier |
| 07/10/2001 | US6259323 Gain control for low noise amplifier |
| 07/10/2001 | US6259322 Current efficient, ultra low noise differential gain amplifier architecture |
| 07/10/2001 | US6259321 CMOS variable gain amplifier and control method therefor |
| 07/10/2001 | US6259317 Output stage utilizing a floating power supply |
| 07/10/2001 | US6259316 Low voltage buffer amplifier for high speed sample and hold applications |
| 07/10/2001 | US6259313 Chopper-stabilized telescopic differential amplifier |
| 07/10/2001 | US6259312 Circuit arrangement for adjusting the impedance of a differential active component |
| 07/10/2001 | US6259300 Differential input interface circuit and method for adjusting DC levels of differential input signals |
| 07/10/2001 | US6259298 Method and an arrangement for adapting from a DC point of view a first circuit to at least one second circuit |
| 07/10/2001 | US6259296 Voltage comparator |
| 07/10/2001 | US6259280 Class AB amplifier for use in semiconductor memory devices |
| 07/05/2001 | WO2001048914A1 Signal amplifying circuit and optical signal receiver using the same |
| 07/05/2001 | WO2001048913A1 Wide band amplifier circuit and signal discriminating circuit using it |
| 07/05/2001 | WO2000074328A3 Slic architecture and interfaces |
| 07/04/2001 | EP1112617A1 Battery polarity insensitive integrated circuit amplifier |
| 07/04/2001 | CN1302476A Apparatus and method of linearizing power amplifier in mobile radio communication system |
| 07/04/2001 | CN1068161C Circuit arrangement of voltage-current converter |
| 07/04/2001 | CN1068160C Analog signal amplifier and audio signal amplifier |
| 07/03/2001 | US6255910 Active operating point adjustment for power amplifiers |
| 07/03/2001 | US6255909 Ultra low voltage CMOS class AB power amplifier with parasitic capacitance internal compensation |
| 07/03/2001 | US6255907 Power amplifier |
| 07/03/2001 | US6255906 Power amplifier operated as an envelope digital to analog converter with digital pre-distortion |
| 07/03/2001 | US6255902 Switch amplifier circuit |
| 07/03/2001 | US6255889 Mixer using four quadrant multiplier with reactive feedback elements |
| 07/03/2001 | US6255885 Low voltage transistor biasing |
| 07/03/2001 | US6255881 High tunability CMOS delay element |
| 07/03/2001 | US6255868 Buffer circuit and hold circuit |
| 06/28/2001 | WO2001047117A1 High sheet mos resistor method and apparatus |
| 06/28/2001 | WO2001047109A2 Low voltage differential signal (lvds) input circuit |
| 06/28/2001 | WO2001047104A1 Emitter follower with constant collector current biasing means |
| 06/28/2001 | WO2001047103A2 Electronic circuit |
| 06/28/2001 | US20010005402 Distortion compensating apparatus |
| 06/28/2001 | US20010005174 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 06/28/2001 | US20010005163 Semiconductor integrated circuit |
| 06/28/2001 | US20010005147 Semiconductor circuit including output buffer circuit and drive circuit for driving output buffer circuit |
| 06/27/2001 | EP1111775A1 Power stage |
| 06/27/2001 | EP1111774A1 Method and apparatus for biasing radio frequency power transistors |
| 06/27/2001 | EP1110133A1 Current mirror arrangement |
| 06/27/2001 | EP0767989B1 Offset-compensated linear rf detector |
| 06/26/2001 | US6253070 Diode amplifier bypass circuit |
| 06/26/2001 | US6252463 High-frequency switch, adjustable high-frequency switch, and adjustable high-frequency power amplifier |
| 06/26/2001 | US6252462 Capacitor transimpedance amplifier ( CTIA) with shared load |
| 06/26/2001 | US6252461 Technique for wideband operation of power amplifiers |
| 06/26/2001 | US6252460 FET balun transformer |
| 06/26/2001 | US6252458 Differential amplifier |
| 06/26/2001 | US6252457 Differential amplifier circuit |
| 06/26/2001 | US6252454 Calibrated quasi-autozeroed comparator systems and methods |
| 06/26/2001 | US6252435 Complementary differential amplifier with resistive loads for wide common-mode input range |
| 06/26/2001 | US6252432 Differential-input/single-ended-output translator |
| 06/21/2001 | WO2001045169A1 Power transistor module, power amplifier and methods in the fabrication thereof |
| 06/21/2001 | WO2001045168A1 Power transistor module, power amplifier and method in the fabrication thereof |
| 06/21/2001 | WO2000070753A8 Load compensation technique for reactive impedance transformation amplifier output stage |
| 06/21/2001 | WO2000064043A8 Improved operational amplifier output stage |
| 06/21/2001 | US20010004388 Offset control circuit, optical receiver using the same and optical communication system |
| 06/21/2001 | US20010004219 Low voltage differential signal (LVDS) input circuit |
| 06/21/2001 | US20010004115 Power transistor module, power amplifier and method in the fabrication thereof |
| 06/20/2001 | EP1109316A2 System and method for offset error compensation in comparators |
| 06/20/2001 | EP1109311A2 Gain control for an amplifier |
| 06/20/2001 | EP1108279A1 High vswr mismatch output stage |