H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
11/2001
11/21/2001	CN1075286C 功率放大器电路 Power amplifier circuit
11/20/2001	US6321074 Apparatus and method for reducing oscillator frequency pulling during AM modulation
11/20/2001	US6321072 Distortion control feedback loop utilizing a non-linear transfer function generator to compensate for non-linearities in a transmitter circuit
11/20/2001	US6320467 Ft multiplier amplifier with low-power biasing circuit
11/20/2001	US6320464 Feedforward amplifier
11/20/2001	US6320463 Adaptive digital pre-correction of nonlinearities introduced by power amplifiers
11/20/2001	US6320462 Amplifier circuit
11/20/2001	US6320461 Ultra-linear feedforward RF power amplifier
11/20/2001	US6320414 High-voltage level tolerant transistor circuit
11/15/2001	WO2001086806A2 Apparatus and method for efficiently amplifying wideband envelope signals
11/15/2001	WO2001086804A2 Ultra-linear feedforward rf power amplifier
11/15/2001	US20010041547 Dynamic bias for RF power amplifiers
11/15/2001	US20010040483 Bias network for high efficiency RF linear power amplifier
11/15/2001	US20010040482 Bias network for high efficiency RF linear power amplifier
11/15/2001	DE10118117A1 Meßvorrichtung, Signalausgabeverfahren und Speichermedium Measuring device, signal output method and storage medium
11/15/2001	DE10020930A1 Vorrichtung und Verfahren zur Vorbehandlung eines unter Verwendung eines nichtlinearen Verstärkers mit vorgeschaltetem Bandpaßfilter zu übertragenden Signals Apparatus and method for pretreating a transmitted using a non-linear amplifier with preceding bandpass filter to the signal
11/14/2001	EP1154567A2 Radio frequency amplifier and tuner
11/14/2001	EP1154566A2 Bias circuit and radio communication apparatus using same
11/14/2001	EP1154564A2 Two stage amplifier
11/14/2001	EP1153477A1 Linear and multi-sinh transconductance circuits
11/14/2001	EP1153476A1 A circuit for compensating noise and errors from an output stage of a digital amplifier
11/14/2001	EP1153475A1 Gate biasing arrangement
11/14/2001	EP0676100B1 Method and apparatus for controlling a peak envelope power of a power amplifier
11/14/2001	CN1322399A Amplifier apparatus with transient recovery aid
11/14/2001	CN1074869C Computing amplifier and digital signal transmission circuit
11/13/2001	US6317064 DC offset correction adaptable to multiple requirements
11/13/2001	US6317013 Delay line filter
11/13/2001	US6317002 Circuit for efficiently producing low-power radio frequency signals
11/13/2001	US6317001 Compensation of timing errors caused by dynamic thermal mismatch
11/13/2001	US6317000 Overload recovery circuit and method
11/13/2001	US6316998 Differential amplifier and a method of compensation
11/13/2001	US6316994 Response linearizing circuit, particularly for microwave radiofrequency systems, and method of linearizing the output of an apparatus
11/13/2001	US6316993 Analog circuitry for start-up glitch suppression
11/13/2001	US6316992 DC offset calibration for a digital switching amplifier
11/13/2001	US6316989 Cascade current miller circuit
11/13/2001	US6316983 Predistortion circuit
11/13/2001	US6316970 Floating, balanced output circuit
11/11/2001	CA2347407A1 A linear amplifier arrangement
11/08/2001	WO2001084706A1 Ft multiplier amplifier with low-power biasing circuit
11/08/2001	WO2001084704A2 Rf power amplifier having high power-added efficiency
11/08/2001	WO2001084703A1 Device and method for pre-treating a signal to be transmitted using a non-linear amplifier with an upstream band-pass filter
11/08/2001	WO2001084630A1 Single supply hfet with temperature compensation
11/08/2001	WO2001041298A3 Control scheme for distortion reduction
11/08/2001	WO2001008295A8 Predistortion amplifier system with separately controllable amplifiers
11/08/2001	US20010038423 Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components
11/08/2001	US20010038313 Bias network for high efficiency RF linear power amplifier
11/08/2001	US20010038312 Linear and multi-sinh transconductance circuits
11/08/2001	US20010038307 Bias circuit of transistor
11/07/2001	EP1152525A2 Distortion-compensating apparatus
11/07/2001	EP1152524A1 Low distortion signal amplifier system and method
11/07/2001	EP1152523A1 Feedforward multi-terminal power-synthesizing power amplifier
11/07/2001	EP1152429A2 Data storage device
11/07/2001	EP1151533A1 Microwave amplifiers
11/07/2001	EP1151531A1 Signal processing apparatus
11/07/2001	EP0835551A4 Output stage for buffering signals
11/07/2001	CN1321365A Radio devices including power amplifier control circuits with hardware lockouts
11/07/2001	CN1321356A Feedforward amplifier
11/07/2001	CN1074609C Method and device for improving efficiency of amplifier
11/06/2001	US6314142 Pre-distortion for a non-linear transmission path in the high frequency range
11/06/2001	US6313706 Semiconductor circuit with a stabilized gain slope
11/06/2001	US6313705 Bias network for high efficiency RF linear power amplifier
11/06/2001	US6313703 Use of antiphase signals for predistortion training within an amplifier system
11/06/2001	US6313702 Phase correction amplifier and a feed-forward amplifier using the same
11/06/2001	US6313700 Power amplifier and communication unit
11/06/2001	US6313699 Power amplifier and communication unit
11/06/2001	US6313698 Method and apparatus for wireless phone transmit power amplification with reduced power consumption
11/06/2001	US6313697 Device for amplifying signals
11/06/2001	US6313696 Differential buffer having common-mode rejection
11/05/2001	CA2307684A1 High speed variable output power driver
11/01/2001	WO2001082473A1 Distortion compensation apparatus
11/01/2001	WO2001082472A1 Loss reduction using multiple amplifiers identically divided
11/01/2001	WO2001082471A1 Optimal power combining for balanced error correction amplifier
11/01/2001	WO2001082470A2 Voltage limiting bias circuit for reduction of hot electron degradation effects in mos cascode circuits
11/01/2001	WO2001082469A2 Method and apparatus for optimum biasing of cascaded mosfet radio-frequency devices
11/01/2001	US20010037188 Measuring apparatus, signal outputting method and storage medium
11/01/2001	US20010036816 Low power and high linearity receivers with reactively biased front ends
11/01/2001	US20010035805 Radio frequency amplifier with small distortion and superior isolation
11/01/2001	US20010035793 Amplifier
11/01/2001	US20010035791 System and method for producing an amplified signal
11/01/2001	US20010035788 Digitally operated analog buffer amplifiers
11/01/2001	CA2375073A1 Voltage limiting bias circuit for reduction of hot electron degradation effects in mos cascode circuits
10/2001
10/31/2001	EP1150422A2 Adaptive compensation for carrier signal phase distortion
10/31/2001	EP1150125A1 Charge-type sensor amplifying circuit
10/31/2001	EP1149467A1 Amplifier
10/31/2001	EP1149466A1 Amplifier
10/31/2001	CN1074212C Pre-amplifier
10/30/2001	US6311046 Linear amplification systems and methods using more than two constant length vectors
10/30/2001	US6310520 High slew-rate operational amplifier architecture
10/30/2001	US6310519 Method and apparatus for amplifier output biasing for improved overall temperature stability
10/30/2001	US6310516 Attenuation compensation in amplification for a distribution network
10/30/2001	US6310515 CMOS track and hold amplifier
10/30/2001	US6310510 Electronic circuit for producing a reference current independent of temperature and supply voltage
10/30/2001	US6310495 Clock wave noise reducer
10/30/2001	CA2278872C Feed forward amplifier improvement incorporating an automatic gain and phase controller
10/30/2001	CA2210547C A microwave vco having reduced supply voltage
10/25/2001	WO2001080471A2 Transmitter linearization using fast predistortion
10/25/2001	WO2001080423A2 Method and apparatus for dynamic sound optimization
10/25/2001	WO2001080420A2 Amplifier circuit
10/25/2001	WO2001041528A3 Second order predistortor for a return laser transmitter
10/25/2001	WO2000046916A9 A closed loop calibration for an amplitude reconstruction amplifier

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