| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 09/30/2009 | CN100546176C Power amplifier |
| 09/30/2009 | CN100546175C 接收电路及光接收电路 A light receiving circuit and the receiving circuit |
| 09/30/2009 | CN100546173C Temperature compensating circuit |
| 09/30/2009 | CN100546172C Signal output circuit |
| 09/29/2009 | US7595845 Television switch module |
| 09/29/2009 | US7595794 Circuit having source follower and semiconductor device having the circuit |
| 09/29/2009 | US7595704 System and apparatus for a three-line balun with power amplifier bias |
| 09/29/2009 | US7595697 Wireless transmitter |
| 09/29/2009 | US7595691 Pre-amplifier for a receiver and a method therefor |
| 09/29/2009 | US7595690 Voltage-clamping device and operational amplifier and design method thereof |
| 09/29/2009 | US7595688 High power commutating multiple output amplifier system |
| 09/29/2009 | US7595533 Thin film semiconductor device and manufacturing method |
| 09/24/2009 | WO2009117713A1 Quadrature output low noise transconductance amplifier having differential input |
| 09/24/2009 | WO2009117712A1 Capacitance multiplier circuit |
| 09/24/2009 | WO2009117394A1 Electrical physical layer activity detector |
| 09/24/2009 | US20090238582 Optical receiver |
| 09/24/2009 | US20090238581 Optical signal receiving circuit |
| 09/24/2009 | US20090237167 Integrated Amplifier Circuit |
| 09/24/2009 | US20090237166 High frequency power amplifier |
| 09/24/2009 | US20090237165 Cross-coupled low noise amplifier for cellular applications |
| 09/24/2009 | US20090237164 Low leakage current amplifier |
| 09/24/2009 | US20090237163 Trimming technique for high voltage amplifiers using floating low voltage structures |
| 09/24/2009 | US20090237162 Low skew differential amplifier using tail voltage reference and tail feedback |
| 09/24/2009 | US20090237161 Quadrature output low noise transconductance amplifier having differential input |
| 09/24/2009 | US20090237160 Switch Mode Power Amplifier Using MIS-HEMT with Field Plate Extension |
| 09/24/2009 | US20090237159 Output stage circuit |
| 09/24/2009 | US20090237150 Bandgap reference circuit with low operating voltage |
| 09/24/2009 | DE10119519B9 Demodulator und Sensorvorrichtung Demodulator and sensor device |
| 09/23/2009 | EP2102981A2 Reconfigurable power amplifier and use of such amplifier for making a multistandard amplification stage for mobile phone communications |
| 09/23/2009 | EP1639700B1 Cartesian loop transmitter and method of adjusting an output level of such transmitter |
| 09/23/2009 | EP1442518B1 Operational amplifier with chopped input transistor pair |
| 09/23/2009 | CN201315566Y Regulating circuit for offset voltage of signal amplifier |
| 09/23/2009 | CN101542898A Feedback controller having multiple feedback paths |
| 09/23/2009 | CN101542897A High frequency amplifier |
| 09/23/2009 | CN101540589A 高频功率放大器 High frequency power amplifier |
| 09/23/2009 | CN101540588A Class d audio amplifier |
| 09/23/2009 | CN101540587A Audio power amplifier and a pre-amplifier thereof |
| 09/23/2009 | CN101540586A Operational amplifier, temperature-dependent system and bandgap reference circuit |
| 09/23/2009 | CN101540585A Amplifier |
| 09/23/2009 | CN100544195C Linear capacitance measurement and touchless switch |
| 09/23/2009 | CN100544191C Transmitter and its power control method |
| 09/23/2009 | CN100544190C Superhigh speed high-efficient amplifier |
| 09/23/2009 | CN100543631C Constant voltage outputting circuit |
| 09/22/2009 | US7593484 Radio frequency (RF) receiver with double loop integrated fast response automatic gain control (AGC) |
| 09/22/2009 | US7593480 Transmission device and radio communication device |
| 09/22/2009 | US7592881 Power broadband amplifier |
| 09/22/2009 | US7592873 Low noise amplifier |
| 09/22/2009 | US7592872 Differential amplifier with single ended output |
| 09/22/2009 | US7592871 Fully differential current-feedback CMOS/bipolar operational amplifier |
| 09/22/2009 | US7592870 Low noise, low power, high linearity differential amplifier with a capacitive input impedance |
| 09/22/2009 | US7592869 Variable gain amplifier having dual gain control |
| 09/22/2009 | US7592868 Rail-to-rail amplifier circuit and semiconductor device |
| 09/22/2009 | US7592867 Common mode feedback for large output swing and low differential error |
| 09/22/2009 | US7592865 Power amplifier using power combiner |
| 09/22/2009 | US7592848 Offset adjusting apparatus |
| 09/22/2009 | US7592580 Optical amplifier and gain control method |
| 09/17/2009 | WO2009114731A2 Multi-level power amplification system |
| 09/17/2009 | WO2009114474A2 Combination offset voltage and bias current auto-zero circuit |
| 09/17/2009 | WO2009114021A1 System and method of enabling a signal processing device in a relatively fast manner to process a low duty cycle signal |
| 09/17/2009 | WO2009112377A1 Multi-source spatial power amplifier |
| 09/17/2009 | US20090232519 Optical receiver for regeneration of optical signal |
| 09/17/2009 | US20090231694 Night vision binoculars |
| 09/17/2009 | US20090231319 Differential amplifier and drive circuit of display device using the same |
| 09/17/2009 | US20090231043 Distributed amplifier and integrated circuit |
| 09/17/2009 | US20090231041 Commutating Amplifier with Wide Dynamic Range |
| 09/17/2009 | US20090231040 Output driver having pre-emphasis capability |
| 09/17/2009 | US20090231039 Differential amplifier |
| 09/17/2009 | US20090231038 Differential amplifier |
| 09/17/2009 | US20090231037 Telescopic operational amplifier and reference buffer utilizing the same |
| 09/17/2009 | US20090231036 Amplifier circuit |
| 09/17/2009 | US20090231035 Class d audio amplifier |
| 09/17/2009 | US20090231034 Inverse mode SiGe HBT cascode device and fabrication method |
| 09/17/2009 | US20090231033 Amplifier Circuit |
| 09/17/2009 | US20090231032 LINC amplifying device |
| 09/17/2009 | US20090231030 Audio power amplifier and a pre-amplifier thereof |
| 09/17/2009 | US20090231029 Combination offset voltage and bias current auto-zero circuit |
| 09/17/2009 | US20090230290 Image sensor, image-sensing apparatus using the image sensor, and image-sensing system |
| 09/17/2009 | DE112007002487T5 Hochgeschwindigkeits-Vorverstärkerschaltung, Detektionselektronik und Strahlungsdetektionssysteme daraus High speed preamplifier circuit, detection electronics and radiation detection systems from |
| 09/17/2009 | CA2718006A1 Multi-source spatial power amplifier |
| 09/16/2009 | EP2101410A1 Transmitting device and communication device |
| 09/16/2009 | EP2101409A1 Power amplification device |
| 09/16/2009 | EP2100566A1 Crest factor enhancement in electrosurgical generators |
| 09/16/2009 | EP2100374A1 Current switched circuit for switch mode power amplifiers |
| 09/16/2009 | EP2100373A2 Phase and power calibration in active antennas |
| 09/16/2009 | EP2100372A2 High efficiency digital power amplifier |
| 09/16/2009 | EP1201025B1 Driving circuits for switch mode rf power amplifiers |
| 09/16/2009 | CN201312286Y D-type audio-frequency power amplifier and overcurrent output protecting circuit thereof |
| 09/16/2009 | CN201312285Y D-type audio power amplifier |
| 09/16/2009 | CN101534376A Image sensor apparatus and method for improved dynamic range with multiple readout circuit paths |
| 09/16/2009 | CN101534111A Automatic control circuit of display power supply |
| 09/16/2009 | CN101534101A Differential amplifier |
| 09/16/2009 | CN101534100A Differential amplifier and drive circuit of display device using the same |
| 09/16/2009 | CN101534099A Differential amplifier |
| 09/16/2009 | CN101534098A Integrator of lower-gain switch capacitance with non-sensitive parasitic effect and lower power consumption |
| 09/16/2009 | CN101534097A Inverse integrator of lower-gain switch capacitance with non-sensitive parasitic effect and lower power consumption |
| 09/16/2009 | CN101534096A Telescopic operational amplifier and reference buffer utilizing the same |
| 09/16/2009 | CN101534095A Power amplifier capable of treating noise |
| 09/16/2009 | CN101534094A Compensating circuit |
| 09/16/2009 | CN100542019C Output circuit of calculation amplifier |
| 09/16/2009 | CN100542018C Operational amplifier with constant sift and apparatus comprising such an operational amplifier |