| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 03/24/2010 | EP2166666A1 Power supply providing ultrafast modulation of output voltage |
| 03/24/2010 | EP2165415A1 Improved amplifying device |
| 03/24/2010 | EP2165414A2 Integrated-circuit low-noise amplifier |
| 03/24/2010 | EP2165412A1 Apparatus for sensorless positioning with signal amplifier |
| 03/24/2010 | CN201430680Y Vehicle-mounted DSP digital power amplifier |
| 03/24/2010 | CN201430573Y Control circuit for stabilizing working current of radiofrequency power amplifier |
| 03/24/2010 | CN201430572Y Automatic gain vehicle-mounted active antenna amplifier |
| 03/24/2010 | CN201429176Y Electronic limiting device for air door actuator |
| 03/24/2010 | CN101682421A Optical receiver circuit |
| 03/24/2010 | CN101682323A Analog input device |
| 03/24/2010 | CN101682304A multiport amplifiers in communications satellites |
| 03/24/2010 | CN101682303A tuning multiport amplifiers |
| 03/24/2010 | CN101682302A polar amplifier |
| 03/24/2010 | CN101682301A Multi-mode audio amplifiers |
| 03/24/2010 | CN101682300A Metal-oxide-semiconductor circuit designs and methods for operating same |
| 03/24/2010 | CN101677235A Loop filter, quantizer, analog-digital converter and operational amplifier |
| 03/24/2010 | CN101677230A three-stage frequency-compensated operational amplifier |
| 03/24/2010 | CN101677229A Power amplifier, method for controlling power amplifier, and wireless communication apparatus |
| 03/24/2010 | CN101677228A Power amplifier system, control method and control device thereof |
| 03/24/2010 | CN100596017C Step travel wave amplifier circuit |
| 03/23/2010 | US7684514 Transmitter apparatus and wireless communication apparatus |
| 03/23/2010 | US7684513 Amplifier circuit and amplifying method |
| 03/23/2010 | US7683897 Data driver capable of an offset compensation and display apparatus having the same |
| 03/23/2010 | US7683720 Folded-cascode amplifier with adjustable continuous time equalizer |
| 03/23/2010 | US7683718 Solid-state RF power amplifier for radio transmitters |
| 03/23/2010 | US7683717 Fully differential amplifier with continuous-time offset reduction |
| 03/23/2010 | US7683716 Constant output common mode voltage of a pre-amplifier circuit |
| 03/23/2010 | US7683715 Feedback biasing technique for a stage of an amplifier that uses a feedback control loop having low gain |
| 03/23/2010 | US7683714 Differential amplifier and display device using the same |
| 03/23/2010 | US7683709 Low frequency power amplifier employing high frequency magnetic components |
| 03/23/2010 | US7683708 Digital amplifier with analogue error correction circuit |
| 03/23/2010 | US7683707 Self-oscillating modulator |
| 03/23/2010 | US7683676 Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
| 03/23/2010 | CA2435310C High efficiency wideband linear wireless power amplifier |
| 03/18/2010 | WO2010030328A1 Auto-correction feedback loop for offset and ripple suppression in a chopper-stabilized amplifier |
| 03/18/2010 | WO2010029690A1 Distortion compensation amplification device |
| 03/18/2010 | WO2010029486A1 Electronic circuit |
| 03/18/2010 | WO2010029186A1 Self-adjusting gate bias network for field effect transistors |
| 03/18/2010 | WO2010029098A1 Level shifter |
| 03/18/2010 | WO2010028429A1 Low distortion cascode amplifier circuit |
| 03/18/2010 | US20100067924 Optical receiver |
| 03/18/2010 | US20100067318 Sense amplifier and semiconductor memory device having sense amplifier |
| 03/18/2010 | US20100067308 Sub Volt Flash Memory System |
| 03/18/2010 | US20100066454 High-power common-base amplifier employing current source output bias |
| 03/18/2010 | US20100066453 Amplifier with compensated gate bias |
| 03/18/2010 | US20100066451 Compound semiconductor device and doherty amplifier using compound semiconductor device |
| 03/18/2010 | US20100066450 High-Speed Low-Power Differential Receiver |
| 03/18/2010 | US20100066449 Three-stage frequency-compensated operational amplifier for driving large capacitive loads |
| 03/18/2010 | US20100066448 Device under test power supply |
| 03/18/2010 | US20100066447 Filter compensation for switching amplifiers |
| 03/18/2010 | US20100066446 Class-d amplifier |
| 03/17/2010 | EP2164173A1 Optical sensor and sensing method |
| 03/17/2010 | EP2164170A1 Self-adjusting gate bias network for field effect transistors |
| 03/17/2010 | EP2162984A2 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit |
| 03/17/2010 | EP2162983A1 Pwm amplifier |
| 03/17/2010 | EP1626508B1 Transmission output control circuit, and wireless device using the same |
| 03/17/2010 | EP1563601B1 Estimating the operating point on a nonlinear traveling wave tube amplifier |
| 03/17/2010 | EP1287611B1 Amplifier circuit |
| 03/17/2010 | CN201426171Y Low-frequency booster |
| 03/17/2010 | CN201426112Y A shunt regulated push-pull circuit based on closed loop structure |
| 03/17/2010 | CN201426111Y Doherty envelope tracking power amplifier |
| 03/17/2010 | CN101675587A comparator with complementary differential input stages |
| 03/17/2010 | CN101675584A amplifier pre-distortion systems and methods |
| 03/17/2010 | CN101674057A Rail-to-rail operational amplifier capable of lowering power consumption |
| 03/17/2010 | CN101674056A Power amplifier linearization using RF feedback |
| 03/17/2010 | CN101674055A Self-adapting burst-mode signal receiving and regenerating amplifier |
| 03/17/2010 | CN101674053A Cascode circuit |
| 03/17/2010 | CN101674051A Method for improving efficiency of radio frequency power amplifier and radio frequency power amplifier circuit |
| 03/17/2010 | CN100594672C N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances |
| 03/17/2010 | CN100594671C Prepositive differential amplifier and method for expanding its input range |
| 03/17/2010 | CN100594667C Cascode connection circuit |
| 03/17/2010 | CN100594666C Differential amplifier circuit capable of reducing current consumption |
| 03/16/2010 | US7679452 Amplifier arrangement and method |
| 03/16/2010 | US7679451 Power supply device for driving an amplifier |
| 03/16/2010 | US7679445 Independent dominant pole compensation of two loops using one compensating element |
| 03/16/2010 | US7679444 Differential amplifier system |
| 03/16/2010 | US7679443 System and method for common mode translation |
| 03/16/2010 | US7679442 Output distortion cancellation circuit |
| 03/16/2010 | US7679441 High frequency power amplifier |
| 03/16/2010 | US7679438 High frequency circuit, semiconductor device, and high frequency power amplification device |
| 03/16/2010 | US7679435 Digital input class-D amplifier |
| 03/16/2010 | US7679434 Amplifier modulation method and apparatus |
| 03/16/2010 | US7679433 Circuit and method for RF power amplifier power regulation and modulation envelope tracking |
| 03/16/2010 | US7679432 Operation amplifier and circuit for providing dynamic current thereof |
| 03/16/2010 | US7679405 Latch-based sense amplifier |
| 03/16/2010 | US7679043 Peripheral light sensor and liquid crystal display device using the same |
| 03/11/2010 | WO2010027773A1 Setting the dc operating current of a rail-to-rail output stage of an op-amp |
| 03/11/2010 | WO2010026681A1 Differential amplifier, and method for constituting the same |
| 03/11/2010 | WO2010026674A1 Reference voltage generating circuit |
| 03/11/2010 | WO2010026445A1 Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor |
| 03/11/2010 | WO2010025639A1 Power amplifier and signal processing method thereof |
| 03/11/2010 | WO2010025556A1 A passive transmitter architecture with switchable outputs for wireless applications |
| 03/11/2010 | WO2008050267A3 Power amplifier |
| 03/11/2010 | US20100061481 Current canceling variable gain amplifier and transmitter using same |
| 03/11/2010 | US20100060363 Wideband low-noise amplifier |
| 03/11/2010 | US20100060362 Cascode circuit |
| 03/11/2010 | US20100060361 Bias balancing circuit |
| 03/11/2010 | US20100060360 Switch-less bidirectional amplifier |
| 03/11/2010 | US20100060359 Low Headroom X-Bridge Transconductor |
| 03/11/2010 | US20100060354 Amplification circuit |