| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 08/08/2006 | US7088204 Transmission line and semiconductor integrated circuit device |
| 08/08/2006 | US7088187 Method and apparatus for an LNA with high linearity and improved gain control |
| 08/08/2006 | US7088186 High-frequency power amplifier module |
| 08/08/2006 | US7088185 Antenna diversity structure for use in a radio frequency integrated circuit |
| 08/08/2006 | US7088184 High frequency amplifier in an integrated circuit |
| 08/08/2006 | US7088183 Bias circuit |
| 08/08/2006 | US7088182 Class AB output stage circuit with stable quiescent current |
| 08/08/2006 | US7088181 Method and apparatus for common mode control |
| 08/08/2006 | US7088180 Programmable gain current amplifier |
| 08/08/2006 | US7088179 Single-ended input, differential output low noise amplifier |
| 08/08/2006 | US7088178 High-gain, bulk-driven operational amplifiers for system-on-chip applications |
| 08/08/2006 | US7088175 Low noise, electric field sensor |
| 08/08/2006 | US7088174 Offset cancellation and slice adjust amplifier circuit |
| 08/08/2006 | US7088173 Adjustable multiport power/phase method and system with minimum phase error |
| 08/08/2006 | US7088152 Data driving circuit and semiconductor memory device having the same |
| 08/08/2006 | US7088149 Enhancing SNR and throughput performance of integrated circuits |
| 08/03/2006 | WO2006079960A1 Arrangement for amplifying a pwm input signal |
| 08/03/2006 | WO2006079869A1 Audio communication unit and integrated circuit |
| 08/03/2006 | US20060172715 Digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices |
| 08/03/2006 | US20060170504 Photodiode integrated circuit having multiple gain states |
| 08/03/2006 | US20060170503 Small-sized on-chip CMOS power amplifier having improved efficiency |
| 08/03/2006 | US20060170500 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 |
| 08/03/2006 | US20060170498 Class AB operational buffer |
| 08/03/2006 | US20060170497 Gain variable amplifier |
| 08/03/2006 | US20060170496 Signal processing circuit and communication device using the same |
| 08/03/2006 | US20060170495 Variable gain amplifier |
| 08/03/2006 | US20060170494 Cross-talk reduction circuit and method therefor |
| 08/03/2006 | DE102005006717B3 Traveling-wave type amplifier with input network forming signal transmission line, has control connection of input amplifier connected to input network |
| 08/02/2006 | EP1685648A1 Amplifier provided with a regulation system controlled by the output stage |
| 08/02/2006 | EP1456942B1 Time division multiplexed pwm amplifier |
| 08/02/2006 | EP1417757A4 Systems and methods for pulse width modulation |
| 08/02/2006 | EP0860942B1 Tuning amplifier |
| 08/02/2006 | CN2802843Y Feedforward linear power amplification concellation control device using optimizing model adaptive algorithm |
| 08/02/2006 | CN2801297Y D.C. controller of indoor mini type music fountain |
| 08/02/2006 | CN1813403A Differential amplifier with selectable increase |
| 08/02/2006 | CN1813402A Integrated power amplifier circuit |
| 08/02/2006 | CN1813401A Integrated power amplifier circuit |
| 08/02/2006 | CN1813400A Apparatus, amplifier, system and method for receiver equalization |
| 08/02/2006 | CN1813399A Power control for a transmitter |
| 08/02/2006 | CN1812660A Hand-free double-directional loudspeaker for receiver of small telephone and power amplification and control circuit thereof |
| 08/02/2006 | CN1812659A Internal and external double-magnetic hollow magnetic core type loudspeaker and power amplification and control circuit |
| 08/02/2006 | CN1812658A Internal and external double-magnetic receiver and hand-free integrated loudspeaker and power amplification control circuit for wireless telephone |
| 08/02/2006 | CN1812657A Double-voice coil type loudspeaker and power amplification control circuit |
| 08/02/2006 | CN1812656A Double-wire spaced double-winding moving coil loudspeaker and power amplification and control circuit |
| 08/02/2006 | CN1812655A Voice-coil inwall fixed winding with baseplate layer type loudspeater and power amplification and control circuit thereof |
| 08/02/2006 | CN1812654A Internal magnetic inner moving-coil type receiver hand-free loudspeaker and power amplification control circuit |
| 08/02/2006 | CN1812653A Variable impedance and power loudspeaker and power amplification and control circuit thereof |
| 08/02/2006 | CN1812385A Carrier power amplifying system |
| 08/02/2006 | CN1812261A A/D collecting system avoiding switching power amplifier interference |
| 08/02/2006 | CN1812255A Dynamic PWM regulating and varying controller capable of regulating pulse width |
| 08/02/2006 | CN1812254A Body-response vibration acoustics efficiency amplifying circuit |
| 08/02/2006 | CN1268055C Power amplifier capable of inhibiting noise power of receiving band and gain switching |
| 08/01/2006 | US7085502 High sensitivity, high resolution detection of signals |
| 08/01/2006 | US7085088 Method of controlling reader amplifier gain variations of a HDD preamplifier, or the like |
| 08/01/2006 | US7084708 High-frequency amplification device |
| 08/01/2006 | US7084707 Low noise amplifier and related method |
| 08/01/2006 | US7084706 Circuitry and method for accelerated switching of an amplifier |
| 08/01/2006 | US7084704 Variable gain amplifier system |
| 08/01/2006 | US7084702 Multi-band power amplifier module for wireless communication devices |
| 08/01/2006 | US7084700 Differential voltage amplifier circuit |
| 08/01/2006 | US7084671 Sense amplifier and method for making the same |
| 08/01/2006 | US7084614 Reference voltage generator |
| 07/27/2006 | WO2006078372A1 Circuits and methods for minimizing chopping artifacts at the output of a chopper-stabilized operational amplifier |
| 07/27/2006 | WO2006077525A1 A high dynamic range low-power differential input stage |
| 07/27/2006 | WO2006034174A3 A linear transconductance cell with wide tuning range |
| 07/27/2006 | WO2006014501A3 Parallel amplifier configuration with power combining and impedance transformation |
| 07/27/2006 | US20060166630 Dynamic bias for RF power amplifiers |
| 07/27/2006 | US20060164171 Method For Transforming Output Signals Of A Low-noise Amplifier Of A Wireless Transceiver |
| 07/27/2006 | US20060164170 Small signal amplifier with large signal output boost stage |
| 07/27/2006 | US20060164169 Power distribution and biasing in RF switch-mode power amplifiers |
| 07/27/2006 | US20060164168 Power amplifier circuit and method thereof |
| 07/27/2006 | US20060164167 Linear commutating amplifier |
| 07/27/2006 | US20060164166 Silicon-on-insulator differential amplifier circuit |
| 07/27/2006 | US20060164165 Amplifier output voltage swing extender circuit and method |
| 07/27/2006 | US20060164164 Variable gain amplifier with low phase variation |
| 07/27/2006 | US20060164163 Amplifiers with high efficiency in multiple power modes |
| 07/27/2006 | US20060163452 Optical fiber receiver having an increased bandwidth |
| 07/27/2006 | DE102005062449A1 Optischer Empfänger Optical Receiver |
| 07/26/2006 | EP1684418A1 Differential to single-ended converter |
| 07/26/2006 | EP1683269A2 Electronically programmable multimode circuit |
| 07/26/2006 | EP1683268A1 Power level controlling of first amplification stage for an integrated rf power amplifier |
| 07/26/2006 | EP1683267A1 Microphone preamplifier |
| 07/26/2006 | EP1639701A4 Low voltage circuit for interfacing with high voltage analog signals |
| 07/26/2006 | EP1614218B1 Linear amplifier |
| 07/26/2006 | CN2800648Y Low-noise amplifier and distributor integration designed simplex tower top amplifier |
| 07/26/2006 | CN1809957A Power amplification device |
| 07/26/2006 | CN1809314A Amplifier system for determining parameters of a patient |
| 07/26/2006 | CN1808896A Tri-level switch power amplifier |
| 07/26/2006 | CN1808895A Pulse width modulator quantization circuit |
| 07/26/2006 | CN1808894A Source follower and its stable current feedback circuit |
| 07/26/2006 | CN1266838C Semiconductor integrated circuit device capable of generating stably constant current under low power voltage |
| 07/26/2006 | CN1266834C Circuit and method for input side impedance matching of power amplifier in electronic device |
| 07/26/2006 | CN1266832C Optical receiving amplifier circuit and optical pickup unit with it |
| 07/26/2006 | CN1266831C Microwave power amplifier |
| 07/25/2006 | US7082160 Pulse width control system for transmitting serial data |
| 07/25/2006 | US7081797 Multiplying current mirror with base current compensation |
| 07/25/2006 | US7081796 Radio frequency low noise amplifier with automatic gain control |
| 07/25/2006 | US7081794 Paralleling digital-input amplifiers |
| 07/25/2006 | US7081793 High-efficiency amplifier, converter and methods |
| 07/25/2006 | US7081792 Operational amplifier, line driver, and liquid crystal display device |