| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 12/14/2010 | US7852155 Class-D amplifier and method therefor |
| 12/14/2010 | US7852151 Variable gain amplifier |
| 12/14/2010 | US7852150 Switching amplifier driven by a controlled power supply |
| 12/14/2010 | US7852149 Quadrature envelope elimination and restoration (EER) amplifier |
| 12/09/2010 | WO2010141908A1 Multiple multi-mode low-noise amplifier receiver with shared degenerative inductors |
| 12/09/2010 | WO2010141193A2 Transimpedance amplifier with distributed control of feedback line |
| 12/09/2010 | WO2010120938A3 Low noise amplifier with combined input matching, balun, and transmit/receive switch |
| 12/09/2010 | US20100312080 Regional oximetry analog front end |
| 12/09/2010 | US20100311378 Multiple multi-mode low-noise amplifier receiver with shared degenerative inductors |
| 12/09/2010 | US20100311352 Radio frequency unit analog level detector and feedback control system |
| 12/09/2010 | US20100309177 Semiconductor Device, and Display Device and Electronic Device Utilizing the Same |
| 12/09/2010 | US20100308921 Leakage current reduction in a power regulator |
| 12/09/2010 | US20100308920 Wide-band amplifier circuit with improved gain flatness |
| 12/09/2010 | US20100308919 Methods and devices for leakage current reduction |
| 12/09/2010 | US20100308916 Programmable gain MOS amplifier |
| 12/09/2010 | US20100308915 Phase Margin Modification In Operational Transconductance Amplifiers |
| 12/09/2010 | US20100308914 Low noise amplifier |
| 12/09/2010 | US20100308913 Operational amplifier |
| 12/09/2010 | US20100308912 Amplifying circuit with offset compensation |
| 12/09/2010 | US20100308886 Offset cancelling circuit |
| 12/09/2010 | US20100308870 Switched capacitor circuit and pipelined analog-to-digital conversion circuit with the switched capacitor circuit |
| 12/09/2010 | US20100308208 Detecting device and solid-state imaging device |
| 12/08/2010 | EP2259446A1 Power amplifiication device for satellite communication device |
| 12/08/2010 | EP2259268A2 Semiconductor device |
| 12/08/2010 | EP2258045A1 Rf transmitter and method of operation |
| 12/08/2010 | EP1362419B1 Normalizing circuit with reduced error voltage |
| 12/08/2010 | CN201667638U Audio combined playing device |
| 12/08/2010 | CN201667637U Multi-functional tone quality and tone color conversion pre-amplifier |
| 12/08/2010 | CN1881788B Variable gain amplifier circuit and DC offset correction method and radio receiving device |
| 12/08/2010 | CN1832338B Transimpedance amplifier with signal amplification circuit that performs power signal regulation |
| 12/08/2010 | CN1759633B Transducer assembly with modifiable buffer circuit and method for adjusting thereof |
| 12/08/2010 | CN1720661B Differential circuits |
| 12/08/2010 | CN1578126B BTL amplifying system |
| 12/08/2010 | CN101911479A Differential amplifier system |
| 12/08/2010 | CN101911478A Systems and methods for improved over-current clipping |
| 12/08/2010 | CN101911477A Predistorter |
| 12/08/2010 | CN101911476A High-linearity complementary amplifier |
| 12/08/2010 | CN101908881A Directional coupler and radio-frequency power amplifier containing same |
| 12/08/2010 | CN101908868A CMOS comparator with rail-to-rail input and reference voltage amplitudes |
| 12/08/2010 | CN101908863A Programmable gain MOS amplifier |
| 12/08/2010 | CN101908820A Offset cancelling circuit |
| 12/08/2010 | CN101907600A Device for measuring mine dust concentration based on differential principle |
| 12/08/2010 | CN101499257B Layout of integrated circuit containing operational amplifier |
| 12/08/2010 | CN101425806B Analog electricity saving device for electric charge allocation and method thereof |
| 12/08/2010 | CN101257291B Trapezoid exciting pulse generating method and device |
| 12/08/2010 | CN101197559B Shared amplifier circuit |
| 12/08/2010 | CN101188406B Low frequency analog circuit |
| 12/08/2010 | CN101174390B Drift compensation signal generating devices and methods for peak clipper |
| 12/08/2010 | CN101164229B High linearity doherty communication amplifier with bias control |
| 12/07/2010 | US7848724 Variable gain amplifier for low voltage applications |
| 12/07/2010 | US7848403 Enhanced reconditioning equalizer filter chain for multi-carrier signals |
| 12/07/2010 | US7847638 Cascoded circuit |
| 12/07/2010 | US7847637 High efficiency precision amplifier |
| 12/07/2010 | US7847636 Low noise amplifier for ultra wide band |
| 12/07/2010 | US7847635 Transconductance amplifier |
| 12/07/2010 | US7847634 Error amplifier structures |
| 12/07/2010 | US7847633 Low voltage operational transconductance amplifier circuits |
| 12/07/2010 | US7847632 Short-circuit detecting circuit |
| 12/07/2010 | US7847630 Amplifier |
| 12/07/2010 | US7847230 Radiation detector for detecting low-intensity radiation by means of avalanche amplification |
| 12/02/2010 | WO2010137405A1 High frequency module |
| 12/02/2010 | WO2010136578A1 Offset cancellation for audio amplifier |
| 12/02/2010 | WO2010136520A1 Anti-glitch system for audio amplifier |
| 12/02/2010 | WO2009131440A8 Method and control circuit for controlling pulse width modulation |
| 12/02/2010 | US20100302425 Linear distributed pixel differential amplifier having mirrored inputs |
| 12/02/2010 | US20100302385 Angular velocity sensor, amplification circuit of angular velocity signal, electronic apparatus, shake correction apparatus, amplification method of angular velocity signal, and shake correction method |
| 12/02/2010 | US20100301949 Internal power supply circuit, semiconductor device, and manufacturing method of semiconductor device |
| 12/02/2010 | US20100301948 Low Noise Amplifier and Mixer |
| 12/02/2010 | US20100301947 Rf power amplifier |
| 12/02/2010 | US20100301945 Power amplifier integrated circuit with compensation mechanism for temperature and output power |
| 12/02/2010 | US20100301944 Power amplifier |
| 12/02/2010 | US20100301943 High Voltage Amplification Using Low Breakdown Voltage Devices |
| 12/02/2010 | US20100301942 Amplifier with bypass switch |
| 12/02/2010 | US20100301941 Receiver |
| 12/02/2010 | US20100301940 Negative capacitance synthesis for use with differential circuits |
| 12/02/2010 | US20100301939 High frequency receiver preamplifier |
| 12/02/2010 | US20100301938 Operational amplification circuit |
| 12/02/2010 | US20100301937 Output circuit |
| 12/02/2010 | US20100301933 Output networks in combination with linc technique |
| 12/02/2010 | US20100301932 Non-inverting amplifier and voltage supply circuit including the same |
| 12/02/2010 | US20100301917 Level shift circuit |
| 12/02/2010 | DE102010004314A1 Leistungsverstärker Power amplifier |
| 12/01/2010 | EP2256580A2 Chopper stabilized bandgap reference circuit and methodology for voltage regulators |
| 12/01/2010 | EP2255436A2 A low-power piezoelectric amplifier and method thereof |
| 12/01/2010 | EP1944865B1 Amplifier, amplifying method and filter |
| 12/01/2010 | CN201663675U Headphone audio power amplifier |
| 12/01/2010 | CN201663584U Front-loading balancing and amplifying circuit |
| 12/01/2010 | CN201663583U Beidou low-noise amplifier |
| 12/01/2010 | CN101904093A High-speed, multi-stage class ab amplifiers |
| 12/01/2010 | CN101904090A Trans-impedance amplifier |
| 12/01/2010 | CN101904088A Amplifier with dynamic bias |
| 12/01/2010 | CN101903784A Analog scan circuit, analog flip-flop, and data processing device |
| 12/01/2010 | CN101902671A Audio processing device and method |
| 12/01/2010 | CN101902208A Operational amplification circuit |
| 12/01/2010 | CN101902207A Bias circuit, high-power amplifier, and portable information terminal |
| 12/01/2010 | CN101902206A Audio power amplifier with audio signal control switch |
| 12/01/2010 | CN101902205A Signal transmit-receive switching radio frequency amplifier for wireless communication system |
| 12/01/2010 | CN101902204A Power supply method, power source device and base station radio frequency system for power amplification |
| 12/01/2010 | CN101902203A Negative capacitance synthesis for use with differential circuits |
| 12/01/2010 | CN101425783B Three-level double-current hysteresis loop power amplifier |