| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 01/25/2006 | CN2754271Y Power amplifying machine |
| 01/25/2006 | CN1726638A Single package multi-chip RF power amplifier |
| 01/25/2006 | CN1726637A Delay mismatched feed forward amplifier system using penalties and floors for control |
| 01/25/2006 | CN1725631A Method for increasing linearity of feedforward power amplifier using carrier leakage effect |
| 01/25/2006 | CN1725329A Photo-receiving amplifier element, optical pickup unit, and optical disk device |
| 01/25/2006 | CN1239042C Doherty amplifier |
| 01/25/2006 | CN1238966C Comparer circuit |
| 01/24/2006 | US6990323 RF power amplifier circuit |
| 01/24/2006 | US6990155 Wireless quadrature modulator transmitter using E/O and O/E connectives |
| 01/24/2006 | US6989717 Circuit and method for switching gains of preamplifier |
| 01/24/2006 | US6989716 Variable gain amplifier |
| 01/24/2006 | US6989715 One-level zero-current-state exclusive or (XOR) gate |
| 01/24/2006 | US6989714 Class D amplifier |
| 01/24/2006 | US6989712 Accurate power detection for a multi-stage amplifier |
| 01/24/2006 | US6989711 Sectional power/voltage/current limiter for a multi-phase amplifier |
| 01/24/2006 | US6989709 CMOS low voltage high-speed differential amplifier |
| 01/19/2006 | WO2006007076A1 Floating input amplifier for capacitively coupled communication |
| 01/19/2006 | WO2006006909A1 A radio transmitter and a method of operating a radio transmitter |
| 01/19/2006 | WO2005119906A3 Extended bandwidth amplifier and oscillator using positive current feedback through inductive load |
| 01/19/2006 | US20060014502 Linear amplification device with a non-linear amplification element for a mobile radio device |
| 01/19/2006 | US20060012437 Method for differential-mode processing of an incident voltage relative to a reference voltage and corresponding device |
| 01/19/2006 | US20060012435 High frequency power amplification electric part and wireless communication system |
| 01/19/2006 | US20060012433 Amplifier with a voltage-controlled quiescent current and output current |
| 01/19/2006 | US20060012432 Pulse length matched filter |
| 01/19/2006 | US20060012431 Class AB amplifier having adjustable quiescent current and output current |
| 01/19/2006 | US20060012430 Low-voltage differential amplifier |
| 01/19/2006 | US20060012429 Self biased differential amplifier |
| 01/19/2006 | US20060012428 Class-D amplifier |
| 01/19/2006 | US20060012425 Radio frequency power amplifier |
| 01/19/2006 | US20060012424 Methods and apparatus for variable harmonic distortion |
| 01/19/2006 | US20060012423 Vacuum tube power amplifier switchable between push-pull and single ended configurations |
| 01/19/2006 | US20060011815 Photo-receiving amplifier element, optical pickup unit, and optical disk device |
| 01/19/2006 | DE4290129B4 Energieeinsparung bei in der Hand gehaltenen Mobiltelefonen während eines Empfangsbetriebes Energy savings in hand-held cell phones while a receive operation |
| 01/19/2006 | DE3900426B4 Verfahren zum Betreiben einer Halbleiteranordnung A method of operating a semiconductor device |
| 01/19/2006 | DE102005007845A1 Verfahren und Vorrichtung zum Steuern eines Sendeleistungsverstärkers Method and device for controlling a transmit power amplifier |
| 01/18/2006 | CN1723616A 音频放大器 Audio Amplifiers |
| 01/18/2006 | CN1723612A Amplifier circuit having an extended Wilson current-mirror self-bias boosting circuit |
| 01/18/2006 | CN1722759A Ring voltage generation circuit and method for generating a ring voltage |
| 01/18/2006 | CN1722613A Class-D amplifier |
| 01/18/2006 | CN1722212A Analog buffer, display device having the same, and method of driving the same |
| 01/18/2006 | CN1237721C Conversion of PCM signal into UPWM signal |
| 01/18/2006 | CN1237712C Power amplifier for mobile telephone set |
| 01/18/2006 | CN1237711C Class D audio amplifier |
| 01/18/2006 | CN1237708C Crackle suppressing circuit and sound output amplifier |
| 01/17/2006 | US6987634 Write channel having a preamplifier and a non-uniform transmission line |
| 01/17/2006 | US6987422 Equal phase multiple gain state amplifier |
| 01/17/2006 | US6987421 Common mode voltage generation at a differential output of an amplifier |
| 01/17/2006 | US6987420 Operational amplifier with self control circuit for realizing high slew rate throughout full operating range |
| 01/17/2006 | US6987419 Absorptive microwave single pole single throw switch |
| 01/17/2006 | US6987418 Sound signal generating apparatus and method for reducing pop noise |
| 01/17/2006 | US6987417 Polar and linear amplifier system |
| 01/17/2006 | US6987413 Input circuit, display device and information display apparatus |
| 01/17/2006 | US6987403 Driver for an external FET with high accuracy and gate voltage protection |
| 01/12/2006 | WO2006005040A2 Slew rate enahncement circuitry for folded cascode amplifier |
| 01/12/2006 | WO2006004154A1 Amplifying apparatus |
| 01/12/2006 | US20060009933 Configurable voltage regulator |
| 01/12/2006 | US20060009169 Trasmission device and adjustment method thereof |
| 01/12/2006 | US20060008027 Method for the adaptive pre-distortion of digital raw data values and device for carrying out said method |
| 01/12/2006 | US20060007726 Voltage buffer for capacitive loads |
| 01/12/2006 | US20060006955 Contactless IC card system |
| 01/12/2006 | US20060006949 Method and apparatus for an improved power amplifier |
| 01/12/2006 | US20060006948 Circuit for providing a base operating voltage for a bipolar transistor and amplifier circuit |
| 01/12/2006 | US20060006947 Current mirror biasing circuit with power control for HBT power amplifiers |
| 01/12/2006 | US20060006946 Method and apparatus for an improved power amplifier |
| 01/12/2006 | US20060006945 Parallel amplifier configuration with power combining and impedance transformation |
| 01/12/2006 | US20060006944 High frequency power amplifier circuit |
| 01/12/2006 | US20060006942 Balanced amplifier and filter using the same |
| 01/12/2006 | US20060006941 Class D-amplifier |
| 01/12/2006 | US20060006939 Method and apparatus for an improved power amplifier |
| 01/12/2006 | US20060006938 Method and apparatus for an improved power amplifier |
| 01/12/2006 | US20060006937 Method and apparatus for an improved power amplifier |
| 01/12/2006 | US20060006936 On-chip amplifier/line driver compensation circuit |
| 01/12/2006 | US20060006933 Self-oscillating switching amplifier |
| 01/12/2006 | US20060006910 Differential current output unit |
| 01/12/2006 | US20060006312 Photoreceptor amplifier circuit and optical pickup |
| 01/12/2006 | DE19727378B4 Leseverstärker eines Halbleiterspeicher-Bauelements Sense amplifier of a semiconductor memory device |
| 01/11/2006 | EP1615337A1 Transmission amplifier |
| 01/11/2006 | EP1614218A1 Linear amplifier |
| 01/11/2006 | EP1614217A1 Digital amplifier |
| 01/11/2006 | EP1614216A1 Amplifier arrangement and distributed audio system |
| 01/11/2006 | EP1614215A1 Digital amplifier |
| 01/11/2006 | EP1614214A1 Digital amplifier |
| 01/11/2006 | EP1579570A4 Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same |
| 01/11/2006 | EP1573908A4 Improved rf transistor amplifier linearity using suppressed third order transconductance |
| 01/11/2006 | EP1090457B1 Linear traveling wave tube amplifier utilizing input drive limiter for optimization |
| 01/11/2006 | CN2751483Y An RF amplifier power supply management circuit |
| 01/11/2006 | CN1720699A Isolation interface with capacitive barrier and method for transmitting a signal by means of such isolation interface |
| 01/11/2006 | CN1720668A Power limit device and digital radio transmitter using the same |
| 01/11/2006 | CN1720661A Differential circuits |
| 01/11/2006 | CN1720658A Amplifier circuit |
| 01/11/2006 | CN1719723A Differential amplifier circuit and mixer circuit having improved linearity |
| 01/11/2006 | CN1719722A Self biased differential amplifier |
| 01/11/2006 | CN1236554C Electronic circuit of switch power amplifier and method for switching said amplifier output stage |
| 01/11/2006 | CN1236553C FET band amplifier |
| 01/10/2006 | US6985695 Satellite broadcasting receiver receiving signal radio waves two broadcasting satellites |
| 01/10/2006 | US6985039 Method and apparatus for providing a stable power output of power amplifiers, operating under unstable supply voltage conditions |
| 01/10/2006 | US6985038 Operational amplifier generating desired feedback reference voltage allowing improved output characteristic |
| 01/10/2006 | US6985037 Amplifier arrangement, circuit and method with improved common mode rejection ratio |
| 01/10/2006 | US6985036 Digitally controlled transconductance cell |
| 01/10/2006 | US6985035 System and method for linearizing a CMOS differential pair |