| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 09/05/2006 | US7102437 Integrated circuit device |
| 09/05/2006 | US7102436 Apparatus and method for increasing a slew rate of an operational amplifier |
| 09/05/2006 | US7102435 Amplifier arrangement and control loop having the amplifier arrangement |
| 09/05/2006 | US7102434 Variable gain low-pass filter |
| 09/05/2006 | US7102433 Boosting circuit |
| 09/05/2006 | US7102432 Class D amplifier |
| 09/05/2006 | US7102431 Method for generating a high-power alternating voltage that follows an input data system |
| 09/05/2006 | US7102427 Amplifier and radio frequency power amplifier using the same |
| 09/05/2006 | US7102426 Audio reproducing device and method, audio amplifier, and integrated circuit for audio amplifier |
| 09/05/2006 | US7102410 High voltage level converter using low voltage devices |
| 09/05/2006 | US7102409 DC level wandering cancellation circuit |
| 09/05/2006 | US7102405 Pulse-width modulation circuit and switching amplifier using the same |
| 09/05/2006 | US7102335 Rail—rail current sense amplifier |
| 08/31/2006 | WO2006090758A1 A/v amplifier and method for driving the same |
| 08/31/2006 | WO2006090333A1 Current sense fet |
| 08/31/2006 | US20060195720 Amplifier fault detection circuit |
| 08/31/2006 | US20060195276 Configurable voltage regulator |
| 08/31/2006 | US20060192617 Low noise AC coupled amplifier with low band-pass corner and low power |
| 08/31/2006 | US20060192615 Amplifier with high output power dynamic |
| 08/31/2006 | US20060192596 Integrated circuit having a low power mode and method therefor |
| 08/31/2006 | DE102005008507A1 Amplifier for universal mobile telecommunications system`s transmission device, has current paths with transistors switched as source followers, and control unit controlling one path and connecting control input with one transistor |
| 08/31/2006 | DE102005007623A1 Mikrofon Microphone |
| 08/30/2006 | EP1696558A1 Protection of output stage transistor of an RF power amplifier |
| 08/30/2006 | EP1695098A1 A broad-bandwidth low noise integrator circuit |
| 08/30/2006 | EP1570572A4 Single package multi-chip rf power amplifier |
| 08/30/2006 | EP1393403B1 Tunable phase shifter and applications for same |
| 08/30/2006 | EP1181773B1 Overvoltage protection |
| 08/30/2006 | CN1826734A Multiband mixer |
| 08/30/2006 | CN1826726A Amplification apparatus |
| 08/30/2006 | CN1825757A Multi-band low noise amplifier |
| 08/30/2006 | CN1272903C High efficiency linear power amplifier |
| 08/29/2006 | US7099635 High-efficiency modulating RF amplifier |
| 08/29/2006 | US7099098 Preamplifier circuit and method for a disk drive device |
| 08/29/2006 | US7098825 Fixed offset digital-to-analog conversion device and method |
| 08/29/2006 | US7098742 Differential/single-ended input stage |
| 08/29/2006 | US7098741 Monolithically integrated power amplifier device |
| 08/29/2006 | US7098740 Radio frequency power amplifier and communication system |
| 08/29/2006 | US7098737 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier |
| 08/29/2006 | US7098736 Amplifier circuit |
| 08/29/2006 | US7098735 Reference buffer with dynamic current control |
| 08/29/2006 | US7098733 Methods and circuits for selectable gain amplification by subtracting gains |
| 08/29/2006 | US7098729 Band gap circuit |
| 08/29/2006 | US7098718 Tunable current-mode integrator for low-frequency filters |
| 08/29/2006 | US7098716 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit |
| 08/29/2006 | US7098702 Transconductor circuit for compensating the distortion of output current |
| 08/29/2006 | US7098698 Semiconductor integrated circuit device and sense amplifier of memory |
| 08/29/2006 | US7098438 Method and apparatus for resetting a high speed latch circuit |
| 08/24/2006 | WO2006088605A2 Method and apparatus for an improved power amplifier |
| 08/24/2006 | WO2006087870A1 Audio signal amplifying circuit and electronic device using the same |
| 08/24/2006 | WO2006086924A1 Apparatus for providing amplification with multi-feedback path |
| 08/24/2006 | WO2005078921A8 Radio frequency low noise amplifier with automatic gain control |
| 08/24/2006 | US20060188269 Apparatus and method for detecting beam power in optical drive |
| 08/24/2006 | US20060186966 Negative gain transductance amplifier circuit |
| 08/24/2006 | US20060186965 Differential to single-ended converter |
| 08/24/2006 | US20060186964 Output power detection circuit |
| 08/24/2006 | US20060186962 Bias circuit with mode control and compensation for voltage and temperature |
| 08/24/2006 | US20060186960 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 08/24/2006 | US20060186959 Low-consumption voltage amplifier |
| 08/24/2006 | US20060186958 High efficiency linear amplifier |
| 08/24/2006 | US20060186957 Noise generator |
| 08/24/2006 | US20060186956 High output power amplifier with adjustable voltage transformation ratio of transformer |
| 08/24/2006 | US20060186955 Multi-channel, multi-power class D amplifier with regulated power supply |
| 08/24/2006 | US20060186934 Driver circuit |
| 08/24/2006 | DE10208117B4 Transimpedanzverstärker und optischer Empfänger Transimpedance amplifier and optical receiver |
| 08/24/2006 | DE102005008372A1 Controllable amplifier for high frequency (HF) input signal, with current path between supply potential and reference potential terminals that contains amplifying transistor |
| 08/24/2006 | DE102005008274A1 Controlled amplifier for signal amplification in relation to analog control signal, has input for HF input signal coupled to control input of amplifier transistor |
| 08/24/2006 | DE102005007876A1 Feedback amplifier circuit, has feedback path between amplifier terminal and control terminal |
| 08/24/2006 | DE102005007632A1 Verstärkeranordnung und Verfahren zum Abgleichen eines Offsets Amplifier arrangement and method for adjusting an offset |
| 08/24/2006 | DE102005007159A1 Hochfrequenzverstärker High-frequency amplifier |
| 08/23/2006 | EP1693974A1 Optical fiber radio transmission system, transmission device, and reception device |
| 08/23/2006 | EP1693963A2 Interface circuit |
| 08/23/2006 | EP1693958A1 Method for operating a high-frequency amplifier |
| 08/23/2006 | EP1693957A1 Multi-band low noise amplifier and its input impedance matching |
| 08/23/2006 | EP1693956A1 Amplifier and communication apparatus |
| 08/23/2006 | EP1693955A2 Dynamic bias fo RF power amplifiers |
| 08/23/2006 | EP1316152B9 Method and apparatus for use in switched capacitor systems |
| 08/23/2006 | CN2810028Y Class-D amplifier |
| 08/23/2006 | CN1823469A Amplifying circuit comprising an envelope modulated limit cycles modulator circuit |
| 08/23/2006 | CN1822718A Small light and thin large power high sensitivity high sound quality speaker and power drive and control circuit |
| 08/23/2006 | CN1822495A Differential circuit, amplifier circuit, driver circuit and display device using those circuits |
| 08/23/2006 | CN1822494A Digital amplifier |
| 08/23/2006 | CN1822493A Asynchronous bridging load of D class audio amplifier |
| 08/23/2006 | CN1271808C Temperature controller in optical communication apparatus and control method thereof |
| 08/23/2006 | CN1271782C Analog amplifier having multiplex function |
| 08/22/2006 | US7095994 Method and apparatus for dynamic biasing of baseband circuitry in a communication system receiver |
| 08/22/2006 | US7095862 Headphone amplifier |
| 08/22/2006 | US7095285 Method and system for biasing power amplifiers with kink anomaly |
| 08/22/2006 | US7095284 Amplifier device |
| 08/22/2006 | US7095283 Supply circuit for power amplifier drivers |
| 08/22/2006 | US7095282 Temperature compensating circuit |
| 08/22/2006 | US7095281 Differential amplifier arrangement with current regulating circuit and method for operating a differential amplifier arrangement |
| 08/22/2006 | US7095280 Programmable gain instrumentation amplifier having improved dielectric absorption compensation and common mode rejection ratio |
| 08/22/2006 | US7095279 AC differential amplifier with reduced low corner frequency |
| 08/22/2006 | US7095276 Power amplifier and radio communication device using the amplifier |
| 08/22/2006 | US7095275 BTL amplifier capable of providing stability of offset compensation |
| 08/22/2006 | US7095256 Low-power wide dynamic range envelope detector system and method |
| 08/22/2006 | US7095005 Image reading device for reversing polarity of stored charge in capacitor |
| 08/22/2006 | US7095004 Image sensing module capable of fast transferring signal and method thereof |
| 08/22/2006 | CA2404824C Dynamic bias for rf power amplifiers |
| 08/17/2006 | WO2006086542A1 Broadband microwave amplifier |