| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 02/06/2001 | US6184919 Extended length differentially driven analog video link |
| 02/06/2001 | US6184750 Control circuit driven by a differential input voltage and method for controlling same |
| 02/06/2001 | US6184748 Magnitude and group delay shaping circuit in continuous-time read channel filters |
| 02/06/2001 | US6184738 Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potential |
| 02/06/2001 | US6184728 Output circuit |
| 02/01/2001 | WO2001008301A1 Low noise differential input, differential output amplifier and method |
| 02/01/2001 | WO2001008300A1 Method of and arrangement for converting voltage to current |
| 02/01/2001 | WO2001008299A1 Low-voltage current mirror circuit |
| 02/01/2001 | WO2000062416A3 Amplifier device with adjustable operating-point control and use of said amplifier device |
| 02/01/2001 | WO2000033460A9 Class-ab output stages with improved distortion performance |
| 02/01/2001 | DE19929841A1 Clocked audio signals amplifier for portable small appliances and power electronics, has output filter stage connected in series with power switch output for effective blocking of carrier harmonics |
| 01/31/2001 | EP1072151A1 Low-noise active pixel sensor for imaging arrays with global reset |
| 01/31/2001 | CN2417634Y Amplifier using switch to control output condition |
| 01/31/2001 | CN1282151A Power amplifying circuit with power supply regulator for controlling adjacent and alternate channel power |
| 01/31/2001 | CN1282143A Power amplification circuit with load regulator for controlling adjacent and alternate channel power |
| 01/31/2001 | CN1282142A Parallel high voltage metal-oxide semiconductor field effect transistor high power steady-state amplifier |
| 01/31/2001 | CN1282139A Amplifier load regulating system based on memory |
| 01/31/2001 | CN1061491C Power supply modulator circuit for transmitter |
| 01/31/2001 | CN1061490C Amplifier stage with DB-linear output voltage |
| 01/30/2001 | US6181796 Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements |
| 01/30/2001 | US6181496 Magnetic recording control circuit with voltage clamps |
| 01/30/2001 | US6181208 Switchable path power amplifier with schotky diode combining network |
| 01/30/2001 | US6181207 Current amplifier having a low input impedance |
| 01/30/2001 | US6181205 Compact power amplifier for microwave circuits |
| 01/30/2001 | US6181204 Linear and multi-sinh transconductance circuits |
| 01/30/2001 | US6181203 Non-linear transconductance amplifier |
| 01/30/2001 | US6181202 Differential amplifier |
| 01/30/2001 | US6181196 Accurate bandgap circuit for a CMOS process without NPN devices |
| 01/30/2001 | US6181142 Nonlinear current mirror for loop-gain control |
| 01/25/2001 | WO2001006644A1 Variable gain amplifier with improved linearity |
| 01/25/2001 | WO2001006643A1 Parallel amplifier architecture using digital phase control techniques |
| 01/25/2001 | WO2001006642A1 Linearizer for microwave amplifier |
| 01/25/2001 | WO2001006640A1 High efficiency feed-forward rf power amplifier with predistortion enhancement |
| 01/25/2001 | DE19917863C1 Schaltung zum Verarbeiten eines Analogsignals und Bildsensor A circuit for processing an analog signal and image sensor |
| 01/24/2001 | EP1071206A1 A receiver portion of a telephone |
| 01/24/2001 | EP1071205A2 Rail-to-rail input/output operational amplifier and method |
| 01/24/2001 | EP1071204A2 Power amplifier and communication device including power amplifier |
| 01/24/2001 | EP1070388A1 Communication device |
| 01/24/2001 | EP0797867B1 Low voltage linear output buffer operational amplifier |
| 01/24/2001 | EP0705497B1 Low noise oscillators and tracking filters |
| 01/24/2001 | CN2416667Y Multiple-channel high-voltage power amplifier instrument with wide dynamic range |
| 01/24/2001 | CN1061188C 半导体功率放大器集成电路 Semiconductor power amplifier integrated circuit |
| 01/24/2001 | CN1061187C Low voltage RF amplifier and mixer with single bias block and method |
| 01/23/2001 | US6178313 Control of gain and power consumption in a power amplifier |
| 01/23/2001 | US6177841 High frequency power amplifier |
| 01/23/2001 | US6177840 Circuit arrangement for amplifying a differential voltage signal which has a substantially temperature independent characteristic curve |
| 01/23/2001 | US6177839 Variable gain amplifier circuit |
| 01/23/2001 | US6177838 CMOS gain boosting scheme using pole isolation technique |
| 01/23/2001 | US6177832 High frequency differential to single-ended converter |
| 01/23/2001 | US6177827 Current mirror circuit and charge pump circuit |
| 01/22/2001 | CA2314312A1 Switched capacitor transmitter pre-driver |
| 01/18/2001 | WO2001005042A1 A two-port with a frequency-dependent network |
| 01/18/2001 | WO2001005028A1 A dual-band, dual-mode power amplifier |
| 01/18/2001 | WO2001005027A1 Biasing circuit for vgs drift and thermal compensation of a power device |
| 01/18/2001 | DE19930195A1 Amplifier circuit for HF signals in 2 HF ranges |
| 01/17/2001 | EP1069739A2 Removal of a common mode voltage in a differential receiver |
| 01/17/2001 | EP1069682A2 Switchable buffer circuit |
| 01/17/2001 | EP1069588A2 Field emitting device comprising metalized nanostructures and method for making the same |
| 01/17/2001 | EP1068667A1 MULTI-Gb/s DATA PULSE RECEIVER |
| 01/17/2001 | EP1068666A1 Hybrid chireix/doherty amplifiers power waveform synthesis |
| 01/17/2001 | CN1280451A Switchover type buffer loop for frequency characteristic |
| 01/17/2001 | CN1280423A Method and device for controlling power envelope |
| 01/16/2001 | US6175462 High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits |
| 01/16/2001 | US6175438 Differential optical signal receiver |
| 01/16/2001 | US6175278 Variable gain amplifier circuit |
| 01/16/2001 | US6175277 Bias network for CMOS power devices |
| 01/16/2001 | US6175276 Indirect emitter-coupling preamplifier for magneto-resistive heads with single-ended feedback |
| 01/16/2001 | US6175275 Preamplifier with an adjustable bandwidth |
| 01/16/2001 | US6175274 Switched gain low noise amplifier |
| 01/16/2001 | US6175273 Method and apparatus for high efficiency wideband power amplification |
| 01/16/2001 | US6175272 Pulse—width modulation system |
| 01/16/2001 | US6175271 Output signal converter for tube amplifiers |
| 01/16/2001 | US6175265 Current supply circuit and bias voltage circuit |
| 01/16/2001 | US6175254 System for compensating a signal for an offset from a reference level |
| 01/11/2001 | WO2001003303A2 Method and apparatus for efficient mixed signal processing in a digital amplifier |
| 01/11/2001 | WO2001003299A1 Improvements in and relating to triangle wave generators and power amplifiers |
| 01/11/2001 | WO2001003291A1 Arrangement comprising a first and a second amplifier whereby a maximum of one of said amplifiers amplifies |
| 01/11/2001 | WO2001003290A1 Microwave amplifier |
| 01/11/2001 | WO2001003288A1 Integrated tunable high efficiency power amplifier |
| 01/11/2001 | WO2001002925A1 Current mirror arrangement |
| 01/11/2001 | DE19930513A1 Photodetector-based scanning device e.g. for optical recording carriers, such as CD and DVD, has voltage control circuit based on operational amplifier and MOSFET elements |
| 01/11/2001 | CA2342175A1 Microwave amplifier |
| 01/10/2001 | EP1067726A2 Voltage control of optical receiver bandwidth |
| 01/10/2001 | EP1067696A2 Distortion compensation method and wireless communication apparatus |
| 01/10/2001 | EP1067691A1 LVDS receiver using differential amplifiers |
| 01/10/2001 | EP1067679A2 Differential amplifier |
| 01/10/2001 | EP1067678A2 Differential amplifier |
| 01/10/2001 | EP1067677A2 Radio frequency amplifier |
| 01/10/2001 | EP1066683A1 Wide-dynamic-range variable-gain amplifier |
| 01/09/2001 | US6172566 Low noise amplifier |
| 01/09/2001 | US6172558 Switching amplifier and method for operating same |
| 01/09/2001 | US6172556 Feedback-controlled low voltage current sink/source |
| 01/09/2001 | US6172548 Input stage with reduced transient time for use in multiplexing transducers that require a switched DC bias |
| 01/04/2001 | WO2001001649A1 Reflecting modulator circuit comprising a negative impedance amplifier |
| 01/04/2001 | WO2001001554A1 Boost bridge amplifier |
| 01/04/2001 | WO2000028658A9 Multi-reference, high-accuracy switching amplifier |
| 01/04/2001 | DE19930381A1 Stromspiegelanordnung Current mirror arrangement |
| 01/04/2001 | DE19930313A1 Circuit for operating light barrier has electric light source as transmitter, light sensitive component as receiver, feedback from light sensitive component to light source |
| 01/04/2001 | DE19927952A1 Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals Apparatus and method for predistorting a through a non-linear transmission path to be transmitted transmission signal |
| 01/04/2001 | CA2377632A1 Reflecting modulator circuit comprising a negative impedance amplifier |