Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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05/21/1996 | US5519353 Balanced driver circuit for eliminating inductive noise |
05/17/1996 | WO1996014691A1 Method and apparatus for a linear transmitter |
05/15/1996 | DE4440216A1 HF signal distribution circuit |
05/14/1996 | US5517684 Radio communication system having current control circuit |
05/14/1996 | US5517154 Split-path linear isolation circuit apparatus and method |
05/14/1996 | US5517149 Gain linearity correction circuit for MOS circuits |
05/14/1996 | US5517148 Low current differential level shifter |
05/09/1996 | DE4439826A1 Signal amplification method e.g. for HF transmitter |
05/09/1996 | DE19540893A1 Referenzspannungserzeugungsschaltung mit einer Kompensationsfunktion gegenüber Variationen der Temperatur und der Versorgungsspannung Reference voltage generating circuit having a compensation function to variations in temperature and supply voltage |
05/08/1996 | EP0710411A1 A method for a transmitter to compensate for varying loading without an isolator |
05/07/1996 | US5515431 Speakerphone device with auxiliary circuit for eliminating clicking at power-on |
05/07/1996 | US5515224 Limitation of current absorption under short-to-plus unpowered conditions of the output node of an amplifier |
05/07/1996 | US5515006 Low distortion efficient large swing CMOS amplifier output |
05/07/1996 | US5515005 Operational amplifier |
05/07/1996 | US5515000 Feed-forward amplifier of a type preventing unwanted waves from being outputted in the initial operation |
05/07/1996 | US5514992 Low-distortion cascode circuit |
05/07/1996 | US5514950 Differential pair arrangement |
05/07/1996 | US5514949 Current mirror with at least one PNP-transistor |
05/07/1996 | US5514948 Reference voltage generating circuit |
05/02/1996 | WO1996013094A1 Power amplifier with switching power supply |
05/01/1996 | EP0709956A1 Method and circuit for protection against latch-down transistor and voltage regulator using the method |
05/01/1996 | EP0465668B1 Head amplifier |
04/30/1996 | US5513389 Push pull buffer with noise cancelling symmetry |
04/30/1996 | US5513094 Switch-mode power supply for bridged linear amplifier |
04/30/1996 | US5512859 Amplifier stage having compensation for NPN, PNP beta mismatch and improved slew rate |
04/30/1996 | US5512858 Amplifier stage with low thermal distortion |
04/30/1996 | US5512856 Method and apparatus for nonlinear compensation |
04/30/1996 | CA2109506C High dynamic range modulation independent feed forward amplifier network |
04/30/1996 | CA2075890C Amplifier system having improved distortion reduction |
04/25/1996 | WO1996012342A1 Am-fm transmitter power amplifier using class-bc |
04/24/1996 | EP0708524A2 Amplifier with multiple switched stages |
04/24/1996 | EP0708523A2 Method and apparatus for compensating thermal time constants in an electronic amplifier |
04/24/1996 | CN1121232A Sampling circuit, signal amplifier, and image display |
04/23/1996 | US5510753 Composite bridge amplifier with output overload and thermal protection |
04/23/1996 | US5510745 High-speed electronic circuit having a cascode configuration |
04/23/1996 | US5510743 Apparatus and a method for restoring an A-level clipped signal |
04/23/1996 | US5510738 CMOS programmable resistor-based transconductor |
04/23/1996 | US5510699 Voltage regulator |
04/18/1996 | WO1996011528A2 Amplifier arrangement |
04/16/1996 | US5509078 Circuit for preventing crosstalk |
04/16/1996 | US5508658 Power amplifier circuit for audio signal and audio device using the same |
04/16/1996 | US5508657 Feed forward cancellation amplifier utilizing dynamic vector control |
04/16/1996 | US5508656 Amplifier with offset correction |
04/11/1996 | WO1996010844A1 Bipolar transistor for use in linear amplifiers |
04/10/1996 | EP0706263A1 Comparator circuit operating on variable current |
04/10/1996 | EP0706261A1 Detector cell for logarithmic amplifiers |
04/10/1996 | EP0706260A1 High efficiency bridge amplifier |
04/10/1996 | EP0706259A1 Automatic calibration of carrier suppression and loop phase in a cartesian amplifier |
04/10/1996 | EP0705499A1 Device for amplifying television signals with a predetermined variable operating class for preventing transmission errors |
04/10/1996 | EP0705498A1 Method and device for signal amplitude modulation |
04/10/1996 | EP0705438A1 Measurement amplifier |
04/10/1996 | EP0705437A1 Measurement amplifier |
04/10/1996 | CN1120266A Circuit for compensating an amplifier |
04/09/1996 | US5507017 Control of attenuation and amplification in foward and feedback paths for power control for cartesian amplifiers |
04/09/1996 | US5507014 Radio transmitter circuit with time dependant inhibited transmissions |
04/09/1996 | US5506546 Method and apparatus for generating transmitting wave |
04/09/1996 | US5506544 Bias circuit for depletion mode field effect transistors |
04/09/1996 | US5506536 Differential amplifier with exponential gain characteristic |
04/09/1996 | US5506532 Output limiter for class-D BICMOS hearing aid output amplifier |
04/09/1996 | US5506526 Offset-compensated sample and hold arrangement and method for its operation |
04/09/1996 | US5506495 Step-down circuit with stabilized internal power-supply |
04/09/1996 | US5506493 Switching regulator and amplifier system |
04/09/1996 | CA2102661C Differential amplifier circuit using quadritail circuit |
04/03/1996 | EP0705010A1 Transmitter with compensation of power amplifier distortion |
04/03/1996 | CN1119801A Power amplifier with clipping level control |
04/02/1996 | US5504456 Low noise wide band amplifier |
04/02/1996 | US5504380 Method and apparatus for controlling a current generator |
04/02/1996 | CA2053476C Power amplifier and mobile radio apparatus with the same |
03/28/1996 | DE4433871A1 HF amplifier design with suppression of intermodulation interference for electrical industry and communications equipment |
03/27/1996 | EP0703661A2 An apparatus for biasing a fet with a single voltage supply |
03/27/1996 | CN1119387A Protection circuit for dynamic focus amplifier |
03/27/1996 | CN1119365A Cicuit of voltage limiter |
03/26/1996 | US5502417 Input amplifier circuit |
03/26/1996 | US5501517 Current detecting device with temperature compensating device |
03/21/1996 | WO1996008866A1 Efficient linear power amplification |
03/20/1996 | EP0702410A2 A transistor protection circuit |
03/20/1996 | CN1118953A Wiring structure for semi-bridge type switching power supply power amplifier stage |
03/19/1996 | US5500623 Differential amplifier circuit with almost linear transconductance |
03/19/1996 | US5500621 Travelling-wave tube protection arrangement |
03/19/1996 | CA2120174C Device for testing an amplifier |
03/13/1996 | EP0701321A1 Circuit and method of cancelling leakage current in an analog array |
03/13/1996 | EP0701190A2 CMOS circuit for providing a bandgap reference voltage |
03/13/1996 | EP0700607A1 Predistortion method and apparatus for laser linearization |
03/07/1996 | WO1996007236A1 Active bias for radio frequency power amplifier |
03/07/1996 | WO1995031029A3 A method and apparatus for controlling power for subsystems |
03/06/1996 | EP0700152A1 Impedance matching circuit |
03/06/1996 | EP0700151A1 Power amplifier stage of the follower type |
03/06/1996 | EP0700150A1 Feed-forward amplifier |
03/05/1996 | US5497124 Class AB push-pull drive circuit, drive method therefor and class AB electronic circuit using the same |
03/05/1996 | US5497123 Amplifier circuit having high linearity for cancelling third order harmonic distortion |
03/05/1996 | US5497120 Differential amplifier circuit having a bias circuit with a differential amplifier |
02/28/1996 | EP0698311A1 Method for amplitude training in a linear power amplifier |
02/27/1996 | US5495214 Method and apparatus for controlling the operating point of an amplifier stage |
02/27/1996 | US5495201 Transconductor stage |
02/27/1996 | US5495166 MOS transistor threshold voltage generator |
02/21/1996 | EP0697766A1 Buffer circuit with wide dynamic range |
02/20/1996 | US5493705 Transmission control circuit for use in TDMA communication devices |
02/20/1996 | US5493255 Bias control circuit for an RF power amplifier |
02/20/1996 | US5493254 Amplifier including circuit for reducing input capacitance |
02/20/1996 | US5493253 Semiconductor integrated circuit |