| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/24/2008 | US7391265 Amplifier unit and optical disc drive |
| 06/24/2008 | US7391264 Amplifier |
| 06/24/2008 | US7391263 Operational amplifier |
| 06/24/2008 | US7391262 Circuit and method for driving bulk capacitance of amplifier input transistors |
| 06/24/2008 | US7391260 Variable gain amplifier and variable gain amplifier module |
| 06/24/2008 | US7391259 Power amplifier |
| 06/24/2008 | US7391258 Self-oscillating power circuit |
| 06/24/2008 | US7391005 Direct attach optical receiver module and method of testing |
| 06/24/2008 | US7390960 Electronic signal processor |
| 06/19/2008 | WO2008072700A1 Transmission device |
| 06/19/2008 | WO2008072212A1 Extra power stage added for pop elimination |
| 06/19/2008 | WO2008054797A9 High efficiency digital power amplifier |
| 06/19/2008 | WO2008050272A3 Voltage-boosting stage |
| 06/19/2008 | WO2008001321A3 A device for and a method of processing an audio signal |
| 06/19/2008 | WO2007117322A3 Common-gate common-source transconductance stage for rf downconversion mixer |
| 06/19/2008 | US20080144862 All-digital class-d audio amplifier with direct battery hook-up |
| 06/19/2008 | US20080143445 Power amplifier |
| 06/19/2008 | US20080143444 Bias circuits and signal amplifier circuits |
| 06/19/2008 | US20080143442 Electrical Circuit |
| 06/19/2008 | US20080143441 Amplifier having plurality of differential pairs and communication system equipped with same |
| 06/19/2008 | US20080143440 Comparator having a preamplifier with power saved while latching data |
| 06/19/2008 | US20080143439 Fully-differential amplifier |
| 06/19/2008 | US20080143438 Amplifier device |
| 06/19/2008 | US20080143436 All-digital class-d audio amplifier |
| 06/19/2008 | US20080143306 Voltage control circuits |
| 06/19/2008 | US20080143278 Electron Beam Systems |
| 06/19/2008 | US20080142687 Driving circuit for backlight module |
| 06/19/2008 | DE102006058292A1 Anordnung und Verfahren zur Ladungsintegration Apparatus and method for charge integration |
| 06/19/2008 | DE102006058291A1 Anordnung und Verfahren zur Ladungsintegration Apparatus and method for charge integration |
| 06/19/2008 | DE102006057324A1 Doherty-Verstärker-System Doherty amplifier system |
| 06/18/2008 | EP1932234A2 System and method for increasing accuracy of transmitter power detection over a larger range of output power levels |
| 06/18/2008 | EP1537652B1 Photodetector arrangement and method for stray light compensation |
| 06/18/2008 | CN201075864Y Thick film circuit for remote indicating instrument analogue signal gathering |
| 06/18/2008 | CN101204009A A high dynamic range low-power differential input stage |
| 06/18/2008 | CN101204008A Buffer circuit |
| 06/18/2008 | CN101202537A Low-power variable gain amplifier |
| 06/18/2008 | CN101202536A Operational amplifier of full voltage range input and output |
| 06/18/2008 | CN101202535A Control method of new type digital audio power amplifier |
| 06/18/2008 | CN101202534A Audio frequency apparatus and silencing apparatus |
| 06/18/2008 | CN101202532A Complementary type metal oxidizing layer semiconductor noise generator |
| 06/18/2008 | CN101201638A Voltage regulator with current sink for diverting external current and digital amplifier including the same |
| 06/18/2008 | CN100396128C Multi-mode digital linearization device and method |
| 06/18/2008 | CN100395964C Power amplifying method |
| 06/17/2008 | US7389194 Driver calibration methods and circuits |
| 06/17/2008 | US7389101 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 06/17/2008 | US7389097 Receiver, transceiver circuit, signal transmission method, and signal transmission system |
| 06/17/2008 | US7389091 High-frequency amplification circuit |
| 06/17/2008 | US7389056 Preamplifier circuit, clock switching circuit, and optical receiver |
| 06/17/2008 | US7388959 Harmonic generator and pre-amp |
| 06/17/2008 | US7388436 High-bandwidth high-gain amplifier |
| 06/17/2008 | US7388435 Linearized trans-impedance amplifier |
| 06/17/2008 | US7388434 BTL amplifier |
| 06/17/2008 | US7388433 Ground inductance compensated quadrature radio frequency amplifier |
| 06/17/2008 | US7388432 Current feedback amplifier with extended common mode input range |
| 06/17/2008 | US7388431 Switching amplifier and control method thereof |
| 06/17/2008 | US7388426 Control circuit and method for a switching amplifier |
| 06/17/2008 | US7388425 PWM digital amplifier with high-order loop filter |
| 06/17/2008 | US7388387 Method and apparatus for measurement of electrical resistance |
| 06/12/2008 | WO2008070503A2 Method and apparatus for rf input coupling for inductive output tubes and other emission gated devices |
| 06/12/2008 | WO2008069785A1 Active distributed signal splitting apparatus |
| 06/12/2008 | WO2008068821A1 Buffer with offset adjusting function |
| 06/12/2008 | WO2008068809A1 High frequency amplifier |
| 06/12/2008 | WO2008068141A1 Merged low-noise amplifier and balun |
| 06/12/2008 | WO2007067973A3 Piezoelectric transducer signal processing circuit |
| 06/12/2008 | US20080136530 Power Broadband Amplifier |
| 06/12/2008 | US20080136529 Power amplifier with nonlinear compensation, and method thereof |
| 06/12/2008 | US20080136528 Merged Low-Noise Amplifier and Balun |
| 06/12/2008 | US20080136527 High Impedance Circuit |
| 06/12/2008 | US20080136526 Method and System for a Highly Efficient Power Amplifier Utilizing Dynamic Biasing and Predistortion |
| 06/12/2008 | US20080136525 Current pre-amplifier and associated current comparator |
| 06/12/2008 | US20080136524 Amplifier circuit, semiconductor device, and controlling method |
| 06/12/2008 | US20080136523 Gain improved operational transconductance amplifier and control method thereof |
| 06/12/2008 | US20080136522 Amplifier with current mirror bias adjust |
| 06/12/2008 | US20080136521 Method and system for a low power fully differential noise cancelling low noise amplifier |
| 06/12/2008 | US20080136520 Method and system for digitally controlling transmitter gain compensation |
| 06/12/2008 | US20080136519 Audio power amplifier |
| 06/12/2008 | US20080136516 RFIC with high power PA |
| 06/12/2008 | US20080136514 RFIC with on-chip multiple band power amplifiers |
| 06/12/2008 | US20080136459 Data amplifying circuit for semiconductor integrated circuit |
| 06/12/2008 | US20080135735 Signal-enhancement system for photodetector outputs |
| 06/12/2008 | DE202008001083U1 Kleinsignalverstärker mit Feldeffekttransistoren Small-signal amplifier with field effect transistors |
| 06/11/2008 | EP1869777A4 Radio frequency power amplifier and corresponding method |
| 06/11/2008 | EP1771943A4 Single supply direct drive amplifier |
| 06/11/2008 | CN201072859Y Signal isolating and amplifying circuit module |
| 06/11/2008 | CN101197559A Shared amplifier circuit |
| 06/11/2008 | CN101197558A Feed-forward amplifier |
| 06/11/2008 | CN101197557A Audio power amplifier |
| 06/11/2008 | CN101197461A Electronic device and RF module |
| 06/11/2008 | CN101197109A Current feedback and compensation circuit, led driving device and backlight system |
| 06/11/2008 | CN100394686C Precision margining circuitry |
| 06/10/2008 | US7385458 System method and apparatus for a three-line balun with power amplifier bias |
| 06/10/2008 | US7385450 Bias circuit |
| 06/10/2008 | US7385448 Circuitry for adaptively generating and using a reference voltage |
| 06/10/2008 | US7385444 Class D amplifier |
| 06/10/2008 | US7385171 Method and apparatus for providing enhanced resolution in photodetectors |
| 06/10/2008 | US7385170 Ambient light suppression circuit for photodiode receiver applications |
| 06/10/2008 | US7384293 Breach lock mechanism for seating vacuum electron device |
| 06/05/2008 | WO2008065762A1 Operational amplifier |
| 06/05/2008 | WO2008065379A2 Near field rf communicators and near field rf communications-enabled devices |
| 06/05/2008 | US20080129410 Matching circuit and multi-band amplifier |