| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 08/05/1998 | EP0856167A1 Multi-stage current feedback amplifier |
| 08/05/1998 | CN1189933A Circuit arrangement comprising a lograrithmic transfer function |
| 08/05/1998 | CN1189932A 运算放大器 Operational Amplifiers |
| 08/04/1998 | US5790517 Power sharing system for high power RF amplifiers |
| 08/04/1998 | US5790336 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation |
| 08/04/1998 | US5789983 High-frequency amplifier having variable gain in response to input power level |
| 08/04/1998 | US5789982 Low distortion feedback IC amplifier and method |
| 08/04/1998 | US5789981 Method for amplifying an input voltage |
| 08/04/1998 | US5789980 Amplifier and semiconductor device which are operated at a low voltage |
| 08/04/1998 | US5789979 Reduction of excessive spectral power distribution from class-C saturated amplification of a pulsed-carrier signal |
| 08/04/1998 | US5789978 For use with a traveling wave tube amplifier |
| 08/04/1998 | US5789977 Arrangement for influencing an audio signal |
| 08/04/1998 | US5789975 Analog signal amplifier and audio signal amplifier |
| 08/04/1998 | US5789974 Calibrating the DC-offset of amplifiers |
| 08/04/1998 | US5789949 Wide common mode range comparator and method |
| 08/04/1998 | US5789845 Film bulk acoustic wave device |
| 08/04/1998 | US5789799 High frequency noise and impedance matched integrated circuits |
| 08/04/1998 | US5789738 Circuit for setting the operating point of an opto-electronic component |
| 07/30/1998 | WO1998033285A1 Ratiometric compensated optical isolation coupler |
| 07/30/1998 | CA2276662A1 Ratiometric compensated optical isolation coupler |
| 07/29/1998 | EP0855101A1 An amplifier and a method for detecting the presence of a load |
| 07/29/1998 | EP0728391B1 Clock-recovery circuit |
| 07/29/1998 | CN1189012A Burst mode degital data amplifier circuit unit and amplifier circuit |
| 07/29/1998 | CN1189011A DC-offset canceler circuit and method for using the circuit |
| 07/28/1998 | US5787339 Radiocommunication system operating in a time shared control |
| 07/28/1998 | US5787182 Audio signal amplifier circuit and a portable audio equipment using the same |
| 07/28/1998 | US5786737 For matching input/output impedances of an element to be evaluated |
| 07/28/1998 | US5786731 Class AB complementary transistor output stage having large output swing and large output drive |
| 07/28/1998 | US5786730 Variable gain amplifier providing substantially uniform magnitude output signal |
| 07/28/1998 | US5786729 Stable bias current circuit for operational amplifier |
| 07/28/1998 | US5786727 Multi-stage high efficiency linear power amplifier and method therefor |
| 07/23/1998 | WO1998032222A1 Highly linear dc level-shifter for an analog-to-digital converter |
| 07/23/1998 | WO1998019391A3 Pulse modulation power amplifier with enhanced cascade control method |
| 07/22/1998 | EP0854570A2 Bias stabilizing circuit |
| 07/22/1998 | EP0854569A1 High-frequency power amplifier |
| 07/22/1998 | EP0854568A2 Monolithic microwave integrated circuit |
| 07/22/1998 | EP0853839A2 Electronic circuit comprising complementary transconductors for filters and oscillators |
| 07/21/1998 | US5784127 Circuit for the power supply of a plurality of power amplifiers |
| 07/21/1998 | US5783970 Driver for N-channel VFET output stage of power amplifier |
| 07/21/1998 | US5783969 Method and system for preventing an amplifier overload condition in a hybrid matrix amplifier array |
| 07/21/1998 | US5783965 Bias circuit |
| 07/21/1998 | US5783961 Inverted amplifying circuit |
| 07/21/1998 | US5783957 Differential amplifier circuit, CMOS inverter, demodulator circuit for pulse-width modulation, and sampling circuit |
| 07/21/1998 | US5783951 Small current detector circuit and locator device using the same |
| 07/21/1998 | US5783949 Precharged bit decoder and sense amplifier with integrated latch usable in pipelined memories |
| 07/21/1998 | US5783934 CMOS voltage regulator with diode-connected transistor divider circuit |
| 07/15/1998 | EP0853379A1 Low noise amplifier |
| 07/15/1998 | CN1187912A 放大器 Amplifiers |
| 07/14/1998 | US5781072 Dual push-pull amplifier circuit and method |
| 07/14/1998 | US5781071 Transformers and amplifiers |
| 07/14/1998 | US5781068 Transadmittance amplifier for a motor |
| 07/14/1998 | US5781067 Electronic inductive switching power amplifier |
| 07/14/1998 | US5781066 Pulse waveform generator |
| 07/14/1998 | US5781061 Current mirror circuit and signal processing circuit having improved resistance to current output terminal voltage variation |
| 07/14/1998 | US5781042 Modal transition imbalance detector |
| 07/14/1998 | US5780904 Semiconductor integrated circuit device for obtaining extremely small constant current and timer circuit using constant current circuit |
| 07/09/1998 | WO1998029941A1 Combined linear power amplifying device and method |
| 07/09/1998 | WO1998029940A1 Pulse amplification apparatus and method |
| 07/08/1998 | EP0852435A2 Bias voltage supply circuit for photoelectric converting element, and photodetection circuit |
| 07/08/1998 | EP0852427A2 Self-calibration system for logarithmic amplifiers |
| 07/08/1998 | CN1187068A Open-loop transistor constant current amplifier |
| 07/07/1998 | US5777519 High efficiency power amplifier |
| 07/07/1998 | US5777517 Semiconductor feedback amplifier having improved frequency characteristics |
| 07/07/1998 | US5777515 Operational amplifier apparatus |
| 07/07/1998 | US5777514 Differential to single ended conversion technique for an operational amplifier having low input offset voltage, high speed and high gain |
| 07/07/1998 | US5777513 Voltage amplifier having a large range of variations, and A/D converter comprising such an amplifier |
| 07/07/1998 | US5777512 Method and apparatus for oversampled, noise-shaping, mixed-signal processing |
| 07/07/1998 | US5777495 Method for the high-linearity copying of voltage |
| 07/07/1998 | CA2139911C Class ab push-pull drive circuit, drive method therefor and class ab electronic circuit using the same |
| 07/02/1998 | WO1998028886A2 Line terminal circuit for controlling the common mode voltage level on a transmission line |
| 07/02/1998 | WO1998028841A1 Hybrid transconductors and methods |
| 07/02/1998 | WO1998028840A2 Amplifier with improved output voltage swing |
| 07/02/1998 | WO1998028674A1 High efficiency base current helper |
| 07/02/1998 | DE19715005C1 Oscillator circuit for GHz range |
| 07/01/1998 | EP0851576A2 High-frequency amplifier |
| 07/01/1998 | EP0851409A1 Integrated system for reading magnetic information |
| 06/30/1998 | US5774093 Circuit arrangement for processing a first or a second high-frequency signal |
| 06/30/1998 | US5774086 Voltage amplifier having a large range of variations, and A/D converter comprising such an amplifier |
| 06/30/1998 | US5774085 Apparatus and method for obtaining proper output signal in which gain and DC component are regulated based upon on measured amplitude distribution |
| 06/30/1998 | US5774021 Merged transconductance amplifier |
| 06/30/1998 | US5774020 Operational transconductance amplifier and multiplier |
| 06/30/1998 | US5774019 Low distortion differential amplifier circuit |
| 06/30/1998 | US5774017 Multiple-band amplifier |
| 06/30/1998 | US5773933 Broadband traveling wave amplifier with an input stripline cathode and an output stripline anode |
| 06/30/1998 | US5773873 Semiconductor device having multi-emitter structure |
| 06/30/1998 | US5773872 Semiconductor device having an integrated differential circuit with an improved common-mode rejection ratio (CMRR) |
| 06/30/1998 | US5773815 Integrate-and-dump receiver for fiber optic transmission |
| 06/25/1998 | WO1998027645A1 Intermodulation compensation in multi-channel amplifiers |
| 06/25/1998 | WO1998021835A3 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit |
| 06/25/1998 | DE19755164A1 Power stage of amplifier/transmitter for magneto-resonance tomograph, transmitter, radar |
| 06/25/1998 | DE19654221A1 Leitungsanschlußschaltkreis zum Steuern des Gleichtaktspannungspegels auf einer Übertragungsleitung Line connection circuit for controlling the common mode voltage level on a transmission line |
| 06/25/1998 | CA2274914A1 Intermodulation compensation in multi-channel amplifiers |
| 06/24/1998 | EP0849876A1 Amplifier circuit with wide dynamic range and low power consumption |
| 06/24/1998 | EP0849875A1 Arrangement for converting analog signal into pulse signal with offset compensation |
| 06/24/1998 | EP0849820A2 Tunable microwave network using microelectromechanical switches |
| 06/23/1998 | US5771470 Control of a power amplifier stage of a portable transceiver |
| 06/23/1998 | US5771444 Efficient transmitter |
| 06/23/1998 | US5770972 Coupling circuit |
| 06/23/1998 | US5770970 Transmitter of wireless system and high frequency power amplifier used therein |
| 06/23/1998 | US5770968 Differential amplifier with proxy load for control of output common mode range |