| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 01/10/2006 | US6985034 Boost bridge amplifier |
| 01/10/2006 | US6985032 Amplifier linearisation |
| 01/10/2006 | US6985031 Semiconductor integrated circuit |
| 01/10/2006 | US6985030 Differential amplifier, two-stage amplifier including the differential amplifier, and analog-to-digital converter including the differential amplifier |
| 01/10/2006 | US6985021 Circuits and techniques for conditioning differential signals |
| 01/10/2006 | US6985013 Voltage to current converter |
| 01/05/2006 | WO2006002134A2 Transconductance amplifier |
| 01/05/2006 | WO2006000088A2 Transmit signal generator and method |
| 01/05/2006 | WO2006000083A1 Improved power amplifier (pa) efficiency with low current dc to dc converter |
| 01/05/2006 | US20060003714 Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance |
| 01/05/2006 | US20060002492 DC-offset compensation |
| 01/05/2006 | US20060001493 Amplifier circuit for converting the current signal from an optical receiving element into a voltage signal |
| 01/05/2006 | US20060001492 Bandpass amplifier |
| 01/05/2006 | US20060001491 Fast transconductance amplifier |
| 01/05/2006 | US20060001490 Differential dual port current conveyor circuit |
| 01/05/2006 | US20060001489 Highly linear variable gain amplifier |
| 01/05/2006 | US20060001488 Digital audio amplifier including phase lead-lag compensator for increasing self-oscillation frequency |
| 01/05/2006 | US20060001486 Bias circuit for high frequency amplifiers |
| 01/05/2006 | US20060001485 Power amplifier |
| 01/05/2006 | US20060001483 Power supply processing for power amplifiers |
| 01/05/2006 | US20060001476 Current stabilization circuit, current stabilization method, and solid-state imaging apparatus |
| 01/05/2006 | US20060001469 Using active circuits to compensate for resistance variations in embedded poly resistors |
| 01/05/2006 | US20060001466 Method for shaping signal pulses |
| 01/05/2006 | DE10239051B4 Halbleiteranordnung Semiconductor device |
| 01/05/2006 | DE102005027628A1 Wiedergabetreuer Schaltverstärker Reproduction spreader amplifier |
| 01/05/2006 | DE10145203B4 Transimpedanz-Verstärkerschaltung Transimpedance amplifier circuit |
| 01/04/2006 | EP1612937A1 Method of forming signal spectra |
| 01/04/2006 | EP1612934A1 Class d-amplifier |
| 01/04/2006 | EP1612933A1 Distortion compensation device |
| 01/04/2006 | EP1612932A1 Multiple power mode amplifier with bias modulation option and without bypass switches |
| 01/04/2006 | EP1611677A1 Neutralization of feedback capacitance in amplifiers |
| 01/04/2006 | EP1326328B1 High-frequency amplifier |
| 01/04/2006 | EP1310043B1 Differential complementary amplifier |
| 01/04/2006 | EP1260015B1 Variable transconductance variable gain amplifier utilizing a degenerated differential pair |
| 01/04/2006 | CN1717863A Method and device for correcting signal distortions in an amplifier device |
| 01/04/2006 | CN1717862A Activation signal output circuit and determining circuit |
| 01/04/2006 | CN1716763A Semiconductor integrated circuit and operational amplifier circuit |
| 01/04/2006 | CN1716762A Class D-amplifier |
| 01/04/2006 | CN1716761A Power amplifying device and radio frequency signal processing method |
| 01/04/2006 | CN1716143A Current stabilization circuit, current stabilization method, and solid-state imaging apparatus |
| 01/04/2006 | CN1235334C Bias circuit of radio frequency power amplifier |
| 01/04/2006 | CN1235333C Feedforward amplifer and feedward magnifying method |
| 01/03/2006 | US6983052 Vehicle power amplifier and voltage supply thereof |
| 01/03/2006 | US6982758 Flexy-power amplifier: a new amplifier with built-in power management |
| 01/03/2006 | US6982687 Data drive circuit for current writing type AMOEL display panel |
| 01/03/2006 | US6982613 Radial power divider/combiner |
| 01/03/2006 | US6982609 System method and apparatus for a three-line balun with power amplifier bias |
| 01/03/2006 | US6982603 Radio-frequency power amplification circuit having stabilization circuit |
| 01/03/2006 | US6982602 Low voltage input current mirror circuit and method |
| 01/03/2006 | US6982601 High isolation/high speed buffer amplifier |
| 01/03/2006 | US6982600 Class G-amplifiers |
| 01/03/2006 | US6982599 Multistage differential amplifier with commonly controlled input and output common mode voltages |
| 01/03/2006 | US6982598 Differential amplifier |
| 01/03/2006 | US6982597 Differential input circuit |
| 01/03/2006 | US6982596 Operational transconductance amplifier and AGC amplifier using the same |
| 01/03/2006 | US6982593 Switching amplifier architecture |
| 01/03/2006 | US6982590 Bias current generating circuit, laser diode driving circuit, and optical communication transmitter |
| 12/29/2005 | WO2005124998A1 Current-mode instrumentation amplifier gain error correction circuitry |
| 12/29/2005 | WO2005124997A1 Current-mode instrumentation amplifier |
| 12/29/2005 | WO2005124996A2 Dvd reading apparatus |
| 12/29/2005 | WO2005124994A1 High-efficiency amplifier |
| 12/29/2005 | WO2005124499A1 Precision chopper-stabilized current mirror |
| 12/29/2005 | WO2005039062A3 Amplifier with capacitor selection |
| 12/29/2005 | US20050287976 Integrated rf front end |
| 12/29/2005 | US20050287967 Low noise high isolation transmit buffer gain control mechanism |
| 12/29/2005 | US20050287966 Wireless communication system and semiconductor integrated circuit |
| 12/29/2005 | US20050286652 Transmit signal generator and method |
| 12/29/2005 | US20050285684 Stacked transistor method and apparatus |
| 12/29/2005 | US20050285683 Floating input amplifier for capacitively coupled communication |
| 12/29/2005 | US20050285682 Amplifying circuit with variable supply voltage |
| 12/29/2005 | US20050285681 Power amplifier (pa) efficiency with low current dc to dc converter |
| 12/29/2005 | US20050285680 Distributed amplifier |
| 12/29/2005 | US20050285679 Variable gain amplifier circuit |
| 12/29/2005 | US20050285678 Differential amplifier with adaptive biasing and offset cancellation |
| 12/29/2005 | US20050285677 Fully balanced transconductor |
| 12/29/2005 | US20050285676 Slew rate enhancement circuitry for folded cascode amplifier |
| 12/29/2005 | US20050285675 Method and apparatus for gain control |
| 12/29/2005 | US20050285674 Adapting operational amplifier frequency response respective to closed loop gain |
| 12/29/2005 | US20050285673 Operational amplifier circuit, sample/hold circuit and filter circuit using the operational amplifier circuit |
| 12/29/2005 | US20050285672 Operational amplifier circuit, sample/hold circuit and filter circuit using the operational amplifier circuit |
| 12/29/2005 | US20050285670 Audio amplifier |
| 12/29/2005 | US20050285586 Temperature compensated bias network |
| 12/29/2005 | US20050284609 Heatsink for power devices |
| 12/29/2005 | DE102005026029A1 Vorrichtung zur Verstärkung elektrischer Energie An amplifying electrical energy |
| 12/29/2005 | DE102004025437A1 D-class booster for DC-DC or DC-AC converter and car speakers has frequency divider and null detector and other components arranged such that they protect booster from short-circuit and overload without use of usual protective circuits |
| 12/29/2005 | DE102004024875A1 Verstärkeranordnung und Verfahren zur Kompensation eines Signalanteils in einer Verstärkeranordnung Amplifier arrangement and method for compensating a signal component in an amplifier arrangement |
| 12/29/2005 | DE102004021155B3 Wanderwellenverstärker Traveling wave amplifier |
| 12/28/2005 | EP1609241A2 Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility |
| 12/28/2005 | EP1609239A2 High efficiency amplifier and method of designing same |
| 12/28/2005 | EP1609238A2 Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier |
| 12/28/2005 | EP1540816B1 Improved 2-stage large bandwidth amplifier using diodes in the parallel feedback structure |
| 12/28/2005 | EP1262017A4 Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier |
| 12/28/2005 | CN2749179Y A microwave power amplifier |
| 12/28/2005 | CN1714507A PWM generator |
| 12/28/2005 | CN1714504A Travelling-wave amplifier |
| 12/28/2005 | CN1714503A Failsafe differential amplifier circuit |
| 12/28/2005 | CN1714502A Pulse width-modulated noise shaper |
| 12/28/2005 | CN1714501A Pulse modulated power converter |
| 12/28/2005 | CN1714500A 复合放大器结构 Composite amplifier structure |
| 12/28/2005 | CN1714499A Apparatus and method for wideband signal processing |