| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 12/01/2005 | DE102004026271B3 Amplifying device for extra-low signals amplifies signals with an amplitude between a few picovolts up to about 100 nanovolts |
| 12/01/2005 | DE102004021863A1 Sensorelement zum Bereitstellen eines Sensorsignals und Verfahren zum Betreiben eines Sensorelementes Sensor element for providing a sensor signal and method of operating a sensor element |
| 12/01/2005 | DE10000486B4 Vorspannungsschaltung und Verfahren zum Zuführen einer Vorspannung Bias circuit and method for supplying a bias voltage |
| 11/30/2005 | EP1601226A1 High performance audio amplifier |
| 11/30/2005 | EP1601100A1 Transistor amplifying stage |
| 11/30/2005 | EP1601099A1 RF generator with phase controlled mosfets |
| 11/30/2005 | EP1601098A1 RF generator with commutation inductor |
| 11/30/2005 | EP1601097A1 RF generator with reduced size and weight |
| 11/30/2005 | EP1601015A1 Heatsink for power devices |
| 11/30/2005 | EP1600941A1 Dip filter frequency characteristic decision method |
| 11/30/2005 | EP1599936A1 Transimpedance amplifier with a high gain bandwidth for converting a dac-output current |
| 11/30/2005 | EP1599935A1 Low voltage class ab transconductor circuits |
| 11/30/2005 | EP1599892A2 High efficiency emitter for incandescent light sources |
| 11/30/2005 | EP1377839B1 Low-loss tunable ferro-electric device and method of characterization |
| 11/30/2005 | EP1297349B1 Amplifier circuit with offset compensation |
| 11/30/2005 | CN2744069Y High-speed video amplifier |
| 11/30/2005 | CN2744068Y Prime video amplifier |
| 11/30/2005 | CN1703828A Method for the adaptive pre-distortion of digital raw data values and device for carrying out said method |
| 11/30/2005 | CN1702959A RF power amplifier having high power-added efficiency |
| 11/30/2005 | CN1702729A Drive circuit, operation state detection circuit, and display device |
| 11/30/2005 | CN1229912C Improved operational amplifier output stage |
| 11/30/2005 | CN1229911C Variable gain differential amplifying circuit and multiplying circuit |
| 11/30/2005 | CN1229752C Improved method and circuit arrangement for processing signals |
| 11/29/2005 | US6970794 Semiconductor having reduced configuration pins and method thereof |
| 11/29/2005 | US6970684 Method for reducing interference in transmitter and transmitter |
| 11/29/2005 | US6970123 Inductorless architecture for a switching amplifier |
| 11/29/2005 | US6970064 Center-tap transformers in integrated circuits |
| 11/29/2005 | US6970055 Tunable planar capacitor |
| 11/29/2005 | US6970051 Pulse width modulator circuit having negative bias |
| 11/29/2005 | US6970044 Audio signal amplifier circuit and electronic apparatus having the same |
| 11/29/2005 | US6970043 Low voltage, low power differential receiver |
| 11/29/2005 | US6970040 Multi-mode/multi-band power amplifier |
| 11/29/2005 | US6970039 Efficiency enhancement for MMIC amplifiers |
| 11/29/2005 | US6970038 Switching scheme to improve linearity and noise in switched capacitor stage with switched feedback capacitor |
| 11/29/2005 | US6968888 Thermal receptacle with phase change material |
| 11/29/2005 | CA2279444C Double side band pilot technique for a control system that reduces distortion produced by electrical circuits |
| 11/24/2005 | WO2005112255A1 Frequency stabilization for free running class-d amplifier |
| 11/24/2005 | WO2005112252A1 Plop noise avoidance for an amplifier |
| 11/24/2005 | WO2005110044A2 Dual-band cmos front-end with two gain modes |
| 11/24/2005 | WO2005060672A3 Gate control circuit with soft start/stop function |
| 11/24/2005 | WO2005060453A3 Slotted planar power conductor |
| 11/24/2005 | WO2004098117A3 Distributed gain network |
| 11/24/2005 | US20050261797 Programmable radio transceiver |
| 11/24/2005 | US20050260001 Burst signal receiver |
| 11/24/2005 | US20050258997 Analog buffer, display device having the same, and method of driving the same |
| 11/24/2005 | US20050258905 Current-mode preamplifiers |
| 11/24/2005 | US20050258904 Methods and apparatus for amplification in a tuner |
| 11/24/2005 | US20050258903 Radio frequency power amplifier |
| 11/24/2005 | US20050258902 Wideband CMOS gain stage |
| 11/24/2005 | US20050258900 Adaptable voltage control for a variable gain amplifier |
| 11/24/2005 | US20050258899 Amplifier circuit |
| 11/24/2005 | US20050258897 Amplifier arrangement and method for the compensation of a signal component in an amplifier arrangement |
| 11/24/2005 | US20050258896 Variable gain amplifier |
| 11/24/2005 | US20050258885 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit |
| 11/24/2005 | US20050258884 [dc level wandering cancellation circuit] |
| 11/24/2005 | US20050258873 Current-controlled CMOS circuits with inductive broadbanding |
| 11/24/2005 | US20050258840 Sensor element for providing a sensor signal, and method for operating a sensor element |
| 11/24/2005 | DE19654221B4 Leitungsanschlußschaltkreis Line interface circuit |
| 11/23/2005 | EP1598943A1 Transmission device and adjustment method thereof |
| 11/23/2005 | EP1597824A1 A method and a device for adjusting power amplifier properties |
| 11/23/2005 | EP1597823A1 Integrated amplifier arrangement |
| 11/23/2005 | EP1547246A4 Integrated circuit with automatic polarity detection and configuration |
| 11/23/2005 | CN1701629A Audio amplifier with local interface system |
| 11/23/2005 | CN1701521A Transmission device and adjustment method thereof |
| 11/23/2005 | CN1701507A Amplifier circuit |
| 11/23/2005 | CN1228917C Current-type synchronous super-class A bias circuit |
| 11/22/2005 | US6968172 DC offset cancel circuit |
| 11/22/2005 | US6967535 High frequency power amplifier circuit |
| 11/22/2005 | US6967532 Offset-compensated self-biased differential amplifier |
| 11/22/2005 | US6967531 Multi-output amplifier with isolation between outputs |
| 11/22/2005 | US6967530 Circuit and semiconductor device for reducing the generation of shock noise of a power amplifier outputting amplified audio signals |
| 11/22/2005 | US6967528 Variable gain amplifier |
| 11/22/2005 | US6967527 Pulse width modulation amplifier |
| 11/22/2005 | US6967526 Low temperature coefficient input offset voltage trim with digital control |
| 11/22/2005 | US6967525 Tail current generator circuit for bipolar/MOS differential pair to set precise transconductance |
| 11/22/2005 | US6967515 Single-ended to differential conversion circuit with duty cycle correction |
| 11/22/2005 | US6967509 Charge recycling amplifier for a high dynamic range CMOS imager |
| 11/22/2005 | US6967504 Differential output circuit for improving bandwidth |
| 11/22/2005 | US6967406 Semiconductor integrated circuit |
| 11/17/2005 | WO2005109631A1 Overcurrent limiting method and device |
| 11/17/2005 | WO2005109628A1 A tuneable circuit for canceling third order modulation |
| 11/17/2005 | WO2005109627A1 Amplifier bias enhancement technique |
| 11/17/2005 | WO2005107398A2 Minature bidirectional amplifier |
| 11/17/2005 | US20050255809 Method and control system for controlling the output power of an RF amplifier system |
| 11/17/2005 | US20050254573 Method and apparatus having a digital PWM signal generator with integral noise shaping |
| 11/17/2005 | US20050253719 Closed loop transmitter control for power amplifier in an EAS system |
| 11/17/2005 | US20050253657 Controlled impedance bias circuit |
| 11/17/2005 | US20050253656 Rf power amplifier |
| 11/17/2005 | US20050253655 Amplifier bias enhancement technique |
| 11/17/2005 | US20050253654 Active load circuit for low-voltage CMOS voltage gain amplifier with wide bandwidth and high gain characteristic |
| 11/17/2005 | US20050253653 Feedback amplifier having amplified signal path and feedback signal path separated |
| 11/17/2005 | US20050253650 Amplifier circuit with reduced power-on transients and method thereof |
| 11/17/2005 | US20050253649 Class-D amplifier |
| 11/17/2005 | US20050253648 Method and apparatus for protecting a switching amplifier from excess current |
| 11/17/2005 | DE102005011591A1 Broadband amplifier for transmission and amplification of high frequency signals especially for cable television has filter units of differing frequency in feedback branch |
| 11/17/2005 | DE102005006645A1 Farbsensorschaltung mit integrierter programmierbarer Gewinnauswahl Color sensor circuit with integrated programmable gain selection |
| 11/17/2005 | DE102004020380A1 Verstärker zur Verstärkung eines Signales Amplifier for amplifying a signal |
| 11/17/2005 | DE102004019142A1 Signal multiplier particularly for use with a signal doubler for measurement signals |
| 11/17/2005 | DE102004018983A1 Push-pull amplifier circuit for AC signal input, e.g. audio, has two voltage current sources and two amplifying elements each for a half wave with potential free sources |
| 11/17/2005 | CA2566491A1 A tuneable circuit for canceling third order modulation |