| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 02/13/2007 | US7176760 CMOS class AB folded cascode operational amplifier for high-speed applications |
| 02/13/2007 | US7176759 Differential low noise amplifier with low power consumption |
| 02/13/2007 | US7176758 Multi-stage output buffer |
| 02/13/2007 | US7176756 Inductor element containing circuit board and power amplifier module |
| 02/13/2007 | US7176755 Transistor-based interface circuitry |
| 02/13/2007 | US7176701 Semiconductor device, temperature sensor, and electronic apparatus comprising it |
| 02/13/2007 | US7176437 Photoelectric conversion apparatus and photoelectric conversion system using the same |
| 02/13/2007 | US7176435 Image sensor with a voltage switching circuit for low afterglow |
| 02/08/2007 | WO2007016454A2 Light-emitting organic materials |
| 02/08/2007 | WO2007016428A2 Method and apparatus for implementing soft switching in a class d amplifier |
| 02/08/2007 | WO2007015462A1 Highly efficient amplifier |
| 02/08/2007 | WO2007015287A1 Audio power amplifier apparatus |
| 02/08/2007 | WO2007015030A1 Variable resistance |
| 02/08/2007 | WO2006121629A3 System and method for providing an input to a distributed power amplifying system |
| 02/08/2007 | WO2006112957A3 Amplifying a signal using a current shared power amplifier |
| 02/08/2007 | WO2006073701A3 High efficiency switch-mode power amplifier |
| 02/08/2007 | US20070033386 Computer working environment apparatus |
| 02/08/2007 | US20070032216 Low noise amplifier (LNA) gain switch circuit |
| 02/08/2007 | US20070032064 Use of an internal on-chip inductor for electrostatic discharge protection of circuits which use bond wire inductance as their load |
| 02/08/2007 | US20070030077 Use of a thick oxide device as a cascode for a thin oxide transconductance device in mosfet technology and its application to a power amplifier design |
| 02/08/2007 | US20070030075 Signal amplification apparatus and signal amplification method |
| 02/08/2007 | US20070030073 High frequency power amplifier circuit and radio communication system |
| 02/08/2007 | US20070030071 Reconfigurable distributed active transformers |
| 02/08/2007 | US20070030070 Amplifier circuit |
| 02/08/2007 | US20070030069 Differential amplifier |
| 02/08/2007 | US20070030068 Non-feedback type load current controller |
| 02/08/2007 | US20070030066 Data amplifying circuit controllable with swing level according to operation mode and output driver including the same |
| 02/08/2007 | US20070030063 Amplifier circuit |
| 02/08/2007 | US20070030062 Matching device for an antenna and high-frequency receiver using the same |
| 02/08/2007 | US20070030061 Elimination of pop-up noise in class D amplifier |
| 02/08/2007 | US20070030060 Apparatus and method for effecting signal chopping in an amplifier device |
| 02/08/2007 | DE10333552B4 Integrierte Leistungsverstärkerschaltung Power amplifier integrated circuit |
| 02/08/2007 | DE102005035150A1 Verstärkerschaltung und Verfahren zum Verstärken eines zu verstärkenden Signals Amplifier circuit and method for amplifying a signal to be amplified |
| 02/08/2007 | CA2616220A1 Method and apparatus for implementing soft switching in a class d amplifier |
| 02/07/2007 | EP1750411A1 Electromagnetic wave transmitter systems, methods and articles of manufacture |
| 02/07/2007 | EP1750366A2 High reliability RF generator architecture |
| 02/07/2007 | EP1749342A1 Quadrature offset power amplifier |
| 02/07/2007 | EP1578011B1 Power amplifying apparatus |
| 02/07/2007 | EP1254509B1 Lineariser |
| 02/07/2007 | EP1219087B1 Method and apparatus for multiple channel signal processing |
| 02/07/2007 | CN1910530A Transistor arrangement with temperature compensation and method for temperature compensation |
| 02/07/2007 | CN1909364A BTL-type amplifier circuit |
| 02/07/2007 | CN1909363A 半导体功率器件和rf信号放大器 The semiconductor power device and the rf signal amplifier |
| 02/07/2007 | CN1908840A 恒流电路 Constant current circuit |
| 02/07/2007 | CN1299431C Interface circuit for differential signal |
| 02/06/2007 | US7173556 Amplifier circuit and analog-to-digital circuit using the same |
| 02/06/2007 | US7173505 Tuning RF circuits using switched inductors provided in a monolithic integrated circuit |
| 02/06/2007 | US7173502 Reflection loss suppression circuit |
| 02/06/2007 | US7173492 High frequency power amplification electric part and wireless communication system |
| 02/06/2007 | US7173490 Apparatus and method for increasing a slew rate of an operational amplifier |
| 02/06/2007 | US7173489 Programmable gain voltage buffer |
| 02/06/2007 | US7173488 Vacuum tube power amplifier switchable between push-pull and single ended configurations |
| 02/06/2007 | US7173487 Power amplification circuit and communication device using the same |
| 02/06/2007 | US7173484 System and method of carrier reinjection in a feedforward amplifier |
| 02/06/2007 | US7173483 Low-distortion tri-state switching amplifier |
| 02/06/2007 | US7173458 Semiconductor device |
| 02/06/2007 | US7173457 Silicon-on-insulator sense amplifier for memory cell |
| 02/06/2007 | US7173406 Method and apparatus for gain control |
| 02/06/2007 | US7173230 Electromagnetic wave detection arrangement with capacitive feedback |
| 02/01/2007 | WO2007012465A1 Amplifier arrangement and method |
| 02/01/2007 | US20070028280 Distributed Gain Subscriber Tap with Power Management |
| 02/01/2007 | US20070026824 Electronic component for amplifying high frequency and radio communication system |
| 02/01/2007 | US20070024377 Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs |
| 02/01/2007 | US20070024376 Radio frequency power amplifier module |
| 02/01/2007 | US20070024375 Radio frequency amplification apparatus |
| 02/01/2007 | US20070024374 Output match transistor |
| 02/01/2007 | US20070024373 Uhf active antenna amplifier for digital video broadcast (dvb) receiver and related dvb device |
| 02/01/2007 | US20070024372 Method and apparatus for controlling a power amplifier supply voltage |
| 02/01/2007 | US20070024371 High frequency power amplifier |
| 02/01/2007 | US20070024369 Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection |
| 02/01/2007 | US20070024368 Differential amplifiers with enhanced gain and dynamic range |
| 02/01/2007 | US20070024367 Operational amplifier and constant-current generation circuit using the same |
| 02/01/2007 | US20070024366 Summing comparator for higher order class D amplifiers |
| 02/01/2007 | US20070024365 Class-D amplifier system |
| 02/01/2007 | US20070024364 Amplifier and amplification method |
| 02/01/2007 | US20070024363 Apparatus and method for generating internal voltage adaptively from external voltage |
| 02/01/2007 | US20070024362 High reliability rf generator architecture |
| 02/01/2007 | US20070024361 Systems for pseudo-BD modulation |
| 02/01/2007 | US20070024360 Power supply providing ultrafast modulation of output voltage |
| 02/01/2007 | US20070024359 Amplifier, filter using the same, and radio communication device |
| 02/01/2007 | US20070024355 Pwm digital amplifier with high-order loop filter |
| 02/01/2007 | US20070024354 Pwm digital amplifier with high-order loop filter |
| 02/01/2007 | US20070024325 Sense amplifier with input offset compensation |
| 02/01/2007 | US20070024262 Integrated circuit apparatus and method of compensating a current |
| 02/01/2007 | US20070023897 Semiconductor device, power amplifier device and PC card |
| 02/01/2007 | US20070023616 Signal Detection System |
| 02/01/2007 | DE102006034368A1 Digital signal amplifier system, has device for predicting acceptance of output signal based on amplitude of input signal, and another device for generating power supply voltage-correction signal |
| 02/01/2007 | DE10058952B4 Schaltungsanordnung zur Umwandlung eines analogen Eingangssignals A circuit arrangement for converting an analog input signal |
| 01/31/2007 | EP1748553A1 Amplifier arrangement and method |
| 01/31/2007 | EP1748552A1 Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
| 01/31/2007 | EP1748551A2 Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection |
| 01/31/2007 | EP0953232B1 Linearization arrangement of a power amplifier |
| 01/31/2007 | CN1906846A 放大器 Amplifier |
| 01/31/2007 | CN1906557A Constant-current circuit and system power source using this constant-current circuit |
| 01/31/2007 | CN1905378A Harmonic intensified radio-frequency low noise amplifier |
| 01/31/2007 | CN1905360A Methods and apparatus of managing a power amplifier |
| 01/31/2007 | CN1905359A Methods and apparatus of managing a power amplifier |
| 01/31/2007 | CN1905358A Operational amplifier and constant-current generation circuit using the same |
| 01/31/2007 | CN1298105C Current-voltage converter |
| 01/31/2007 | CN1297950C Driving circuit and method for liquid crystal display device |