| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 08/25/2005 | WO2005078921A2 Radio frequency low noise amplifier with automatic gain control |
| 08/25/2005 | WO2005078920A1 Field effect transistor amplifier with linearization |
| 08/25/2005 | WO2005078919A1 Methods and systems for signal amplification through envelope removal and restoration |
| 08/25/2005 | WO2005078918A1 Load-invariant amplifier |
| 08/25/2005 | WO2005078916A1 Programmable radio transceiver |
| 08/25/2005 | WO2005078861A2 Inverted-f ferroelectric antenna |
| 08/25/2005 | WO2005029711A3 Single-ended input, differential output low noise amplifier |
| 08/25/2005 | US20050186930 Adaptive radio transceiver with offset PLL with subsampling mixers |
| 08/25/2005 | US20050186919 Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same |
| 08/25/2005 | US20050185710 Adaptive equalizer with DC offset compensation |
| 08/25/2005 | US20050185525 Signal generating circuit and optical pickup device provided therewith |
| 08/25/2005 | US20050185315 High speed pre-driver with voltage reference for thin film head write driver |
| 08/25/2005 | US20050185266 High sensitivity, high resolution detection of signals |
| 08/25/2005 | US20050184832 Symmetric microwave filter and microwave integrated circuit merging the same |
| 08/25/2005 | US20050184813 Multi-primary distributed active transformer oscillator power supply and control |
| 08/25/2005 | US20050184808 Monolithically fabricated HBT amplification stage with current limiting FET |
| 08/25/2005 | US20050184807 Single supply direct drive amplifier |
| 08/25/2005 | US20050184806 High frequency amplifier circuit |
| 08/25/2005 | US20050184805 Differential amplifier circuit |
| 08/25/2005 | US20050184804 Differential amplifier and semiconductor device |
| 08/25/2005 | US20050184803 Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating method |
| 08/25/2005 | US20050184801 Adaptive equalizer with DC offset compensation |
| 08/25/2005 | US20050184800 Post amplifier array integrated circuit |
| 08/25/2005 | US20050184798 Comparator |
| 08/25/2005 | US20050184790 High frequency doubler |
| 08/25/2005 | US20050184721 Current sensing circuit and method |
| 08/25/2005 | US20050184718 Bandgap reference circuit |
| 08/25/2005 | US20050184675 Field emission RF amplifier |
| 08/25/2005 | DE19506134B4 Ladungsverstärker Charge amplifier |
| 08/25/2005 | DE10345521B3 Verstärkeranordnung Amplifier arrangement |
| 08/25/2005 | DE102005003650A1 Leistungsverstärkermodul A power amplifier module |
| 08/25/2005 | DE102005000811A1 Klasse D Leitungstreiberanordnung Class D line driver arrangement |
| 08/25/2005 | DE102004060632A1 Lautstärkesteuerung in Klasse D Verstärker mit einer variablen Versorgungsspannung Volume control in Class D amplifier with a variable supply voltage |
| 08/25/2005 | DE102004048687A1 Bildanzeigevorrichtung und Inspektionsverfahren für diese An image display apparatus and inspection procedures for this |
| 08/25/2005 | CA2555960A1 Load-invariant amplifier |
| 08/24/2005 | EP1566932A2 Adaptive equalizer with DC offset compensation |
| 08/24/2005 | EP1566892A1 Communication terminal |
| 08/24/2005 | EP1566886A2 Power amplification apparatus, and mobile communication terminal apparatus |
| 08/24/2005 | EP1566885A2 Adaptive equalizer with DC offset compensation |
| 08/24/2005 | EP1565986A1 Pwm generator |
| 08/24/2005 | EP1454411B1 Image display apparatus and high voltage driver circuit |
| 08/24/2005 | CN2720724Y Dynamic negative-feedback audio-frequency power amplifier |
| 08/24/2005 | CN1658604A Adaptive equalizer with DC offset compensation |
| 08/24/2005 | CN1658603A Adaptive equalizer with DC offset compensation |
| 08/24/2005 | CN1658496A Power amplification apparatus, and mobile communication terminal apparatus |
| 08/24/2005 | CN1658495A Amplifier of power supply by AC power supply in switch condenser circuit |
| 08/24/2005 | CN1658494A Integrator of power supply by AC power supply in switch condenser circuit |
| 08/24/2005 | CN1657951A Partial dischange test power supply |
| 08/24/2005 | CN1216457C Power amplifier circuit |
| 08/23/2005 | US6933870 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 08/23/2005 | US6933787 Linearized darlington amplifier |
| 08/23/2005 | US6933786 Amplifier circuit and method |
| 08/23/2005 | US6933785 Common mode bias control loop for output stages |
| 08/23/2005 | US6933784 Output stage for high gain and low distortion operational amplifier |
| 08/23/2005 | US6933783 Variable gain differential amplifier and multiplication circuit |
| 08/23/2005 | US6933781 Large gain-bandwidth amplifier, method, and system |
| 08/23/2005 | US6933779 Variable gain low noise amplifier |
| 08/23/2005 | US6933778 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 08/23/2005 | US6933773 Integrated circuit |
| 08/23/2005 | US6933762 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit |
| 08/23/2005 | US6933753 Sensor signal output circuit |
| 08/23/2005 | US6933728 Method and apparatus for measuring voltage of battery module of electric vehicle |
| 08/23/2005 | CA2374784C Variable phase-shifting rf power amplifiers |
| 08/18/2005 | WO2005076664A1 Output stage for a hearing aid and method of driving output stage |
| 08/18/2005 | WO2005076467A1 Power amplifier unit, communication terminal and control method of power amplifier unit |
| 08/18/2005 | WO2005076466A1 Digital microphone |
| 08/18/2005 | WO2005076465A1 Cascode cmos rf power amplifier with isolated trnasistors |
| 08/18/2005 | WO2005076100A1 Bootstrap capacitor refresh circuit |
| 08/18/2005 | WO2005076023A1 Test equipment |
| 08/18/2005 | WO2005074413A2 Class e amplifier with inductive clamp |
| 08/18/2005 | WO2005060672A9 Gate control circuit with soft start/stop function |
| 08/18/2005 | US20050181840 Power management in communication devices |
| 08/18/2005 | US20050181753 Logic low noise amplifier and amplification control method thereof |
| 08/18/2005 | US20050181751 Power amplifier arrangement having an antenna, and a method for amplification and emission of a signal |
| 08/18/2005 | US20050181746 Methods and systems for signal amplification through envelope removal and restoration |
| 08/18/2005 | US20050180763 Optical detector system |
| 08/18/2005 | US20050179499 Power amplifier arrangement, and a method for amplification of a signal |
| 08/18/2005 | US20050179498 High frequency power amplifier circuit and radio communication system |
| 08/18/2005 | US20050179497 Layout technique for matched resistors on an integrated circuit substrate |
| 08/18/2005 | US20050179496 Operational amplifier |
| 08/18/2005 | US20050179495 Apparatus and method for increasing a slew rate of an operational amplifier |
| 08/18/2005 | US20050179494 Variable gain differential amplifier and multiplication circuit |
| 08/18/2005 | US20050179493 Temperature controlled, log-linear gain control circuit for amplifiers |
| 08/18/2005 | US20050179492 Memory component with improved noise insensitivity |
| 08/18/2005 | US20050179491 System and method for a startup circuit for a differential CMOS amplifier |
| 08/18/2005 | US20050179490 Semiconductor integrated circuit |
| 08/18/2005 | US20050179489 Power supply rejection for pulse width modulated amplifiers and automatic gain control |
| 08/18/2005 | US20050179488 Operational amplifier with selectable performance characteristics |
| 08/18/2005 | US20050179487 Switching power amplifier using a frequency translating delta sigma modulator |
| 08/18/2005 | US20050179484 Bias voltage supply circuit and radio-frequency amplification circuit |
| 08/18/2005 | US20050179481 A-ab transconductor |
| 08/18/2005 | DE102004004411A1 Radio clock time derivation procedure stores time signal telegrams, detects amplitude changes and sets amplitude to fixed value during pulses |
| 08/18/2005 | DE102004002007A1 Transistoranordnung mit Temperaturkompensation und Verfahren zur Temperaturkompensation Transistor arrangement with temperature compensation and method for temperature compensation |
| 08/17/2005 | EP1564910A2 Timing adjustment for wireless communication |
| 08/17/2005 | EP1564897A1 Control of a power amplifier for reducing power consumption in a transceiver |
| 08/17/2005 | EP1564884A1 Differential circuit and receiver with same |
| 08/17/2005 | EP1563620A2 Lower complexity layered modulation signal processor |
| 08/17/2005 | EP1563601A2 Estimating the operating point on a nonlinear traveling wave tube amplifier |
| 08/17/2005 | EP1483830B1 Amplifier circuits and their use in radio frequency transmitters |
| 08/17/2005 | EP1269623B1 High frequency switch-mode power amplifier |