| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 09/27/2000 | CN1056948C Integrated driver for half-bridge circuit |
| 09/26/2000 | US6125094 Current amplifier |
| 09/26/2000 | US6124767 RF/Microwave oscillator |
| 09/26/2000 | US6124760 Transconductance control circuit for rail-to-rail (RTR) differential input terminal |
| 09/26/2000 | US6124758 RF power amplifier control system |
| 09/26/2000 | US6124757 Amplifiers |
| 09/26/2000 | US6124753 Ultra low voltage cascoded current sources |
| 09/26/2000 | US6124738 Input buffer for semiconductor device |
| 09/26/2000 | US6124713 Matching amplifier having an extremely high input resistance for an induction probe |
| 09/21/2000 | WO2000055967A1 Semiconductor device and communication device |
| 09/21/2000 | WO2000055966A1 Power supply compensation for noise shaped, digital amplifiers |
| 09/21/2000 | WO2000055964A1 Linearized transconductance cell |
| 09/21/2000 | WO2000019709A9 Video amplifier with integrated dc level shifting |
| 09/21/2000 | DE19962811A1 Gegentaktverstärkerschaltung mit Leerlaufstromsteuerung Push-pull amplifier circuit with idle power control |
| 09/20/2000 | EP1037273A2 Sense amplifier comprising field effect transistor with short channel length and adjustable threshold voltage |
| 09/20/2000 | EP0653119B1 Methods and apparatus for microphone preamplification |
| 09/20/2000 | CN1267134A 有源滤波器电路 Active filter circuit |
| 09/20/2000 | CN1056712C Driver of piezoelectric ceramic actuator |
| 09/19/2000 | US6122532 RF amplifier with reduced power consumption |
| 09/19/2000 | US6122491 Communications system using power amplifier with dynamic biasing |
| 09/19/2000 | US6121912 Subranging analog-to-digital converter and method |
| 09/19/2000 | US6121843 Charge mode capacitor transimpedance amplifier |
| 09/19/2000 | US6121842 Cascode amplifier |
| 09/19/2000 | US6121841 Transistor power amplifier for portable terminals for mobile communications |
| 09/19/2000 | US6121840 High-frequency amplifier |
| 09/19/2000 | US6121839 Class AB CMOS output stage for operational amplifier |
| 09/19/2000 | US6121838 Precision GaAs low-voltage DC amplifier |
| 09/19/2000 | US6121837 Constant gain amplifier |
| 09/19/2000 | US6121836 Differential amplifier |
| 09/19/2000 | US6121833 High-gain amplifier |
| 09/19/2000 | US6121832 Intermediate amplifier device for a transmission network |
| 09/19/2000 | US6121831 Apparatus and method for removing offset in a gain circuit |
| 09/19/2000 | US6121809 Accurate and tuneable active differential phase splitters in RFIC wireless applications |
| 09/14/2000 | WO2000054407A1 Offset eliminator circuit |
| 09/14/2000 | WO2000054403A1 Methods and apparatus for noise shaping a mixed signal power output |
| 09/13/2000 | EP1034613A2 Converter circuit and variable gain amplifier with temperature compensation |
| 09/13/2000 | CN1266311A Electronic equipment with power amplifier |
| 09/13/2000 | CN1056487C Reverse connection braking high-fidelity power amplifying circuit |
| 09/12/2000 | USRE36861 Linear differential amplifier |
| 09/12/2000 | US6118991 Device including a broadband amplifier circuit |
| 09/12/2000 | US6118989 High frequency variable gain amplifier device and wireless communications terminal |
| 09/12/2000 | US6118395 Operational amplifier with offset compensation function |
| 09/12/2000 | US6118343 Power Amplifier incorporating single drain switch and single negative voltage generator |
| 09/12/2000 | US6118341 Device with common mode feedback for a differential output |
| 09/12/2000 | US6118340 Low noise differential input, differential output amplifier and method |
| 09/12/2000 | US6118338 Low noise amplifier circuit with an isolating switch topology |
| 09/12/2000 | US6118337 Method for the generation of control signals for a power amplifier and power amplifier |
| 09/12/2000 | US6118336 Start-up circuit for self oscillating class D modulator |
| 09/12/2000 | US6118327 Emitter follower circuit having no temperature dependency |
| 09/08/2000 | WO2000052820A1 Transimpedance amplifiers with improved gain-bandwidth product |
| 09/07/2000 | DE19909492A1 Differenzverstärker Differential amplifier |
| 09/07/2000 | DE10010153A1 Switching capacitor bias voltage circuit has bias voltage stage coupled to current mirror stage that receives node voltage and produces bias voltage in accordance with it |
| 09/06/2000 | EP1033811A2 Monolithic fixed active equalizer |
| 09/06/2000 | EP1033809A1 Differential amplifier |
| 09/06/2000 | EP1033642A1 Feedback-controlled low voltage current sink/source |
| 09/06/2000 | CN1265537A Photoelectrically coupled phase inverter circuit |
| 09/05/2000 | US6115726 Signal processor with local signal behavior |
| 09/05/2000 | US6114913 Transimpedance amplifiers with improved gain-bandwidth product |
| 09/05/2000 | US6114912 Integrated amplifier having a voltage-controlled current source |
| 09/05/2000 | US6114911 Power amplifier |
| 09/05/2000 | US6114909 Differential amplifier for correcting offsets at inputs using low capacitance capacitor |
| 09/05/2000 | US6114908 Bipolar impedance converter circuit |
| 09/05/2000 | US6114907 Amplifier with dynamic compensation and method |
| 09/05/2000 | US6114906 Differential amplifier circuit |
| 09/05/2000 | US6114905 Signal amplifier apparatus and magnetic disk storage apparatus using the same |
| 09/05/2000 | US6114732 Field effect transistor |
| 09/05/2000 | US6114686 Current-to-voltage conversion IC and a photoelectric conversion IC |
| 09/04/2000 | CA2296829A1 Feedback-controlled low voltage current sink/source |
| 08/31/2000 | DE10002087A1 Phase comparison circuit for converting voltage signals into current signals depending on phase difference has current mirror stage with three transistors, constant current source and resistor |
| 08/30/2000 | EP1032145A2 Automatic gain switching-type burst optical signal receiving circuit |
| 08/30/2000 | EP1032123A2 Signal amplifying circuit |
| 08/30/2000 | EP1032121A1 Electronic apparatus with a power amplifier |
| 08/30/2000 | EP1032120A2 Power amplifier, power control method for power amplifier, and communication equipment |
| 08/30/2000 | EP0759227B1 Terminal for a satellite communication system including a phase linear class e amplifier |
| 08/30/2000 | EP0716784B1 Compact hybrid microwave choke |
| 08/30/2000 | CN2394380Y Superbass power amplifier |
| 08/30/2000 | CN2394379Y Superbass power amplifier with regulation of upper limit of frequency spectrum |
| 08/30/2000 | CN1264957A High frequency amplifier and amplifying component |
| 08/30/2000 | CN1056023C Improved composite bridge amplifier with output overload and thermal protection |
| 08/29/2000 | US6112059 Off-channel leakage power monitor apparatus and method |
| 08/29/2000 | US6111968 Sound production apparatus |
| 08/29/2000 | US6111965 Method and apparatus for offset compensation of a signal processing circuit |
| 08/29/2000 | US6111474 Low-noise amplifying device |
| 08/29/2000 | US6111472 Quasi-optical amplifier |
| 08/29/2000 | US6111465 Amplifying unit comprising an input transformer capable of contributing to a wider frequency band of a broadband amplifier |
| 08/29/2000 | US6111463 Operational transconductance amplifier and multiplier |
| 08/29/2000 | US6111462 RF power amplifier linearization using parallel RF power amplifiers having intermod-complementing predistortion paths |
| 08/29/2000 | US6111460 Vacuum tube differential preamplifier having a transformer with a center tap |
| 08/29/2000 | US6111459 Multi mode power amplifier and communication unit |
| 08/29/2000 | US6111458 Power amplifier and nuclear spin tomography apparatus employing same |
| 08/24/2000 | WO2000019717A9 Apparatus for providing television receiver alignment functions |
| 08/24/2000 | DE10005044A1 Hochgeschwindigkeits-Stromspiegelschaltkreis und -verfahren High-speed current mirror circuit and method |
| 08/23/2000 | CN2393290Y Transistor broadcaster |
| 08/23/2000 | CN1055810C Amplifier with feedback having high power supply rejection |
| 08/22/2000 | US6108182 Overcurrent sensing circuit and self adjusting blanking |
| 08/22/2000 | US6107898 Microwave channelized bandpass filter having two channels |
| 08/22/2000 | US6107888 Method to equalize input currents to differential-to-single-ended amplifier configuration |
| 08/22/2000 | US6107887 Differential to single-ended video cable driver having BICMOS current-mode operational amplifier |
| 08/22/2000 | US6107886 High-efficiency power amplifier |
| 08/22/2000 | US6107885 Wideband linear GaAsFET ternate cascode amplifier |