| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 10/17/2007 | CN101057405A High-speed and high-accuracy digital-to-analog converter |
| 10/17/2007 | CN101057396A Tunable cascode LNA with flat gain response over a wide frequency range |
| 10/17/2007 | CN101057394A An arrangement and a method relating to signal predistortion |
| 10/17/2007 | CN101057393A Electronic circuit arrangement with active control on receiving an electrical received signal |
| 10/17/2007 | CN101056069A A high power high-precision power supply device |
| 10/16/2007 | US7282948 MOS linear region impedance curvature correction |
| 10/11/2007 | WO2007114265A1 Analog multiplexer |
| 10/11/2007 | WO2007114126A1 Circuit and method for reducing noise |
| 10/11/2007 | WO2007112769A1 Power amplifier with pre-distorter |
| 10/11/2007 | US20070236292 Fast settling power amplifier regulator |
| 10/11/2007 | US20070236285 Full swing amplifying circuit and applications thereof |
| 10/10/2007 | EP1843464A1 Voltage-to-current converter |
| 10/10/2007 | EP1842285A2 Transformer circuit |
| 10/10/2007 | EP1683268A4 Power level controlling of first amplification stage for an integrated rf power amplifier |
| 10/10/2007 | EP1664965A4 Quiescent current control circuit for high-power amplifiers |
| 10/10/2007 | EP1584136B1 Circuit arrangement for a predistorted feedback coupling from a transmitter to a receiver in a multi-mode mobile telephone |
| 10/10/2007 | EP1169776B1 Biasing arrangement for field effect transistors |
| 10/10/2007 | CN101053160A A transmitter circuit and method for modulation distortion compensation |
| 10/10/2007 | CN101053151A 半导体器件及功率放大器 Semiconductor devices and power amplifier |
| 10/10/2007 | CN101051818A Intelligent control system and method for carrier cancellation in feedforward linear power amplifier |
| 10/10/2007 | CN101051817A Step travel wave amplifier circuit |
| 10/10/2007 | CN101051816A Device and method for realizing wide band micro power linear power amplication |
| 10/10/2007 | CN100342641C High-voltage amplifier |
| 10/09/2007 | US7280611 Nonlinear distortion compensating device |
| 10/09/2007 | US7279986 Buffer amplifiers with enhanced efficiency |
| 10/09/2007 | US7279985 Regulated cascode amplifier with small-sized feed-back amplifier |
| 10/09/2007 | US7279972 Predistortion control apparatus |
| 10/09/2007 | US7279971 Composite power amplifier |
| 10/09/2007 | US7279970 Feedback circuit |
| 10/09/2007 | US7279969 Signal amplification method and amplifier array |
| 10/09/2007 | US7279964 Drive circuit, device, and method for suppressing noise, and use |
| 10/09/2007 | CA2280471C Power amplifier having monitoring and circuit protection |
| 10/04/2007 | WO2007112256A1 Amplifier and method of amplifying an input signal |
| 10/04/2007 | WO2007069060A3 Enhanced low noise amplifier |
| 10/04/2007 | US20070229180 Distortion Compensation Circuit |
| 10/04/2007 | US20070229167 Bias circuitry for cascode transistor circuit |
| 10/04/2007 | US20070229166 Buffered cascode current mirror |
| 10/04/2007 | US20070229163 Plop Noise Avoidance for an Amplifier |
| 10/04/2007 | US20070229154 Differential amplifier with active post-distortion linearization |
| 10/04/2007 | US20070229153 Fet Bias Circuit |
| 10/04/2007 | US20070229152 Filter adjustment circuit |
| 10/04/2007 | US20070228988 Vacuum tube circuit |
| 10/04/2007 | DE10310554B4 Feldeffekttransistor und Verstärkerschaltung mit dem Feldeffekttransistor Field effect transistor and the amplifier circuit with the field-effect transistor |
| 10/04/2007 | DE10020930B4 Vorrichtung und Verfahren zur Vorbehandlung eines unter Verwendung eines nichtlinearen Verstärkers mit vorgeschaltetem Bandpaßfilter zu übertragenden Signals Apparatus and method for pretreating a transmitted using a non-linear amplifier with preceding bandpass filter to the signal |
| 10/04/2007 | CA2647532A1 Amplifier and method of amplifying an input signal |
| 10/03/2007 | EP1841158A1 Transmitter and power amplifying method |
| 10/03/2007 | EP1841060A1 Electronic circuit |
| 10/03/2007 | EP1714380A4 Low power consumption adaptive power amplifier related application |
| 10/03/2007 | CN200956564Y Amplifier |
| 10/02/2007 | US7277678 Fast closed-loop power control for non-constant envelope modulation |
| 10/02/2007 | US7277136 Adaptive bandwidth control in a kinescope amplifier |
| 10/02/2007 | US7276965 Nested transimpedance amplifier |
| 10/02/2007 | US7276962 Circuit topology for reduced harmonic distortion in a switched-capacitor programmable gain amplifier |
| 10/02/2007 | US7276961 Constant voltage outputting circuit |
| 09/27/2007 | WO2007109776A2 Dynamic bias control in power amplifier |
| 09/27/2007 | WO2007109498A2 Wideband ultra low noise amplifier |
| 09/27/2007 | WO2007109207A1 Multi-mode power amplifier with reduced low power current consumption |
| 09/27/2007 | WO2007108103A1 Analog circuit |
| 09/27/2007 | WO2007108102A1 Semiconductor device and semiconductor element selecting method |
| 09/27/2007 | WO2007107728A1 Joint optimisation of supply and bias modulation |
| 09/27/2007 | US20070222515 Variable gain amplifier and communication apparatus |
| 09/27/2007 | US20070222513 Apparatus and method for processing of amplifier linearization signals |
| 09/27/2007 | US20070222512 System and Method for IM3 Reduction and Cancellation in Amplifiers |
| 09/27/2007 | US20070222511 Auto gain controller |
| 09/27/2007 | US20070222510 System and method for operating a feedback network |
| 09/27/2007 | US20070222509 Amplifier circuit |
| 09/27/2007 | US20070222508 Multi-mode power amplifier with reduced low power current consumption |
| 09/27/2007 | US20070222506 Op driver with the function of canceling Op offset |
| 09/27/2007 | US20070222505 Ping-pong auto-zero amplifier with glitch reduction |
| 09/27/2007 | US20070222504 System and method for minimizing DC offset in outputs of audio power amplifiers |
| 09/27/2007 | DE112005002800T5 Halbleiterbauelement und Leistungsverstärker Semiconductor device and power amplifier |
| 09/26/2007 | EP1838010A2 Method and apparatus for signal power ramp-up in a data burst transmission |
| 09/26/2007 | EP1837989A1 Variable gain amplifier |
| 09/26/2007 | EP1836766A1 Method and device for amplifying an amplitude- and phase-modulated electric signal |
| 09/26/2007 | EP1676361A4 Mmic distributed amplifier gate control using active bias |
| 09/26/2007 | CN101044689A Signal processor for use with a power amplifier in a wireless circuit |
| 09/26/2007 | CN101044679A High-precision zero crossing detector and method thereof |
| 09/26/2007 | CN101044676A Method and equipment of simulating predistortion linearization |
| 09/26/2007 | CN101044675A Control circuit for controlling a current and/or voltage of an electronic circuit |
| 09/26/2007 | CN101043205A Low distortion class-d amplifier |
| 09/26/2007 | CN101043204A Non-linear error calibration method for PWM structure in full digital D class power amplifier |
| 09/26/2007 | CN101043203A Variable gain amplifier |
| 09/26/2007 | CN101043202A High-frequency power amplifier |
| 09/26/2007 | CN101043201A 半导体集成电路 The semiconductor integrated circuit |
| 09/26/2007 | CN100340059C Automatic optimization of linearity for envelope feedback amplifier linearization |
| 09/25/2007 | US7275010 Method for calculating frequency and amplitude modulation for adiabatic electro magnetic pulses |
| 09/25/2007 | US7275004 Method and apparatus to perform on-die waveform capture |
| 09/25/2007 | US7274749 Method and apparatus for the linearization of a radio frequency high-power amplifier |
| 09/25/2007 | US7274747 Pulse shaping which compensates for component distortion |
| 09/25/2007 | US7274276 Amplifier circuit, gyrator circuit, filter device and method for amplifying a signal |
| 09/25/2007 | US7274255 Efficient generation of radio frequency currents |
| 09/25/2007 | US7274254 Device and method for enhancing output current driving |
| 09/25/2007 | US7274253 Transmitter apparatus with extended gain control |
| 09/25/2007 | US7274206 Output power detection circuit |
| 09/20/2007 | WO2007106337A2 Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop |
| 09/20/2007 | WO2007105277A1 Low noise amplifier |
| 09/20/2007 | WO2006000088A3 Transmit signal generator and method |
| 09/20/2007 | US20070216491 Self-Oscillating Power Circuit |
| 09/20/2007 | US20070216486 Wideband ultra low noise amplifier |
| 09/20/2007 | US20070216480 Selecting samples for amplifier digital predistortion estimation |