Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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05/19/1992 | US5115206 Merged differential amplifier and current source |
05/19/1992 | US5115205 AC amplifier with automatic DC compensation |
05/19/1992 | US5115204 Differential amplifier |
05/19/1992 | US5115203 Digital power amplifier |
05/19/1992 | CA1301311C Plural level beam-forming network |
05/19/1992 | CA1301267C High-speed electronic circuit having a cascode configuration |
05/19/1992 | CA1301263C Power saving low frequency power amplifier |
05/17/1992 | CA2055579A1 Reflection amplifier microwave mobile station modem |
05/13/1992 | EP0484921A1 Differential circuit for converting a single phase signal into complementary signals |
05/13/1992 | EP0484360A1 Electrical switching circuit. |
05/13/1992 | CN1061123A Linear transmitter training method and apparatus |
05/12/1992 | US5113150 Unity gain inverting amplifier providing linear transfer characteristics |
05/12/1992 | US5113148 Linear CMOS output stage |
05/12/1992 | US5113147 Wide-band differential amplifier using gm-cancellation |
05/12/1992 | US5113146 Amplifier arrangement |
05/12/1992 | US5113145 Power amplifier for feeding an inductance with switched transistors |
05/12/1992 | US5113068 Photoelectrical sensor with multistaged, filtered amplifier circuit |
05/06/1992 | EP0484166A2 Fractional load current detector |
05/06/1992 | EP0484031A2 Merged current clamp in triple-input transconductor, for use in oscillator |
05/06/1992 | CN2103871U Low-cost high-performance slide class a bridge amplifier |
05/06/1992 | CN1016550B Double-winding voice-coil speaker and its power amplifier circuit |
05/05/1992 | US5111324 Optical receivers |
05/05/1992 | US5111158 Modulated voltage supply and fault monitoring thereof adapted for use in an RF power amplifier system |
05/05/1992 | US5111157 Power amplifier for broad band operation at frequencies above one ghz and at decade watt power levels |
05/05/1992 | US5111156 Current amplifier circuit |
05/01/1992 | WO1992008280A1 Linear transmitter training method and apparatus |
04/29/1992 | EP0482520A1 Constant-current circuit for light-emitting element |
04/29/1992 | EP0482502A2 Power amplifier and mobile radio apparatus with the same |
04/29/1992 | EP0482291A1 Isolator circuit for an audio system |
04/29/1992 | CN2103221U Wide-band coupling resonant cavity high-power amplifier |
04/28/1992 | US5109261 CMOS amplifier with offset adaptation |
04/28/1992 | US5109170 Current compensation circuit |
04/28/1992 | CA1299683C Rf power amplifier system having amplifier protection |
04/22/1992 | EP0481741A2 High frequency power amplifier circuit and mobile radio communication apparatus using the same |
04/22/1992 | EP0481631A2 Wide dynamic range transconductance stage |
04/22/1992 | EP0481630A1 High efficiency cross-coupled folded cascode circuit |
04/21/1992 | US5107223 Phase inverter and push-pull amplifier using the same |
04/21/1992 | US5107190 Means and method for optimizing the switching performance of power amplifiers |
04/21/1992 | US5107152 Control component for a three-electrode device |
04/21/1992 | US5107149 Linear, continuous-time, two quadrant multiplier |
04/15/1992 | EP0480815A1 Integrated amplifier circuit with one input signal connection |
04/15/1992 | EP0480341A1 Hybrid matrix amplifier systems, and methods for making thermally-balanced hybrid matrix amplifier systems |
04/14/1992 | US5105172 Monolithically realizable radio frequency bias choke |
04/14/1992 | US5105167 Harmonic injection amplifier |
04/14/1992 | US5105166 Symmetric bi-directional amplifier |
04/14/1992 | US5105165 Low distortion, low noise, amplifier |
04/14/1992 | US5105164 High efficiency uhf linear power amplifier |
04/08/1992 | EP0479704A2 Linear amplifier |
04/08/1992 | EP0479700A2 Current mode gate drive for power MOS transistors |
04/08/1992 | EP0479119A2 Compensation circuit and method for stabilizing an operational amplifier |
04/08/1992 | EP0259403B1 Method for the compensation of the offset voltage of a regulating amplifier and circuit arrangement for implementing such method |
04/07/1992 | US5103189 High-efficiency amplifier |
04/07/1992 | US5103188 Buffered transconductance amplifier |
04/07/1992 | US5103187 Microwave tube amplifier stage with wide band and low dispersivity in frequency |
04/07/1992 | US5103157 Common emitter amplifiers operating from a multiplicity of power supplies |
04/07/1992 | US5103122 High speed low power dc offsetting circuit |
04/07/1992 | CA1298650C Transmit mode electronic reconfiguration antenna |
04/07/1992 | CA1298628C Amplifier circuit |
04/02/1992 | WO1992005629A1 Noise canceling photodetector preamplifier useful for computerized tomography |
04/02/1992 | WO1992005628A1 Working point adjusting circuit for a power amplifier |
04/01/1992 | EP0478298A2 Low-noise preamplifier for magneto-resistive heads |
04/01/1992 | EP0478297A1 Wide-band differential amplifier using GM-cancellation |
04/01/1992 | EP0477907A2 A constant current circuit and an oscillating circuit controlled by the same |
04/01/1992 | EP0252114B1 Non-reactive radial line power divider/combiner with integral mode filters |
04/01/1992 | CN1059996A Ac voltage amplifier |
03/31/1992 | US5101175 Power control method for a voltage controlled power amplifier and circuitry used in the method |
03/31/1992 | US5101174 Advanced charge detection amplifier for high performance image sensors |
03/31/1992 | US5101172 Linear amplifier |
03/31/1992 | US5101171 Extended bandwidth RF amplifier |
03/31/1992 | US5101126 Wide dynamic range transconductance stage |
03/31/1992 | CA1298361C Circuit for automatically controlling the gain-bandwidth product of operational amplifiers |
03/26/1992 | DE4126061A1 Complementary MOSFET operational amplifier for analogue function |
03/26/1992 | DE4029741A1 Power amplifier with series-connected transistors - has parallel-connected transistors under different currents according to transistor type |
03/25/1992 | EP0476908A1 Amplifying circuit |
03/25/1992 | EP0476775A2 Circuit arrangement to compensate the base current of a transistor |
03/25/1992 | EP0476719A2 A control circuit for a laser printer |
03/25/1992 | EP0476365A1 An adaptive bias current control circuit |
03/24/1992 | US5099205 Balanced cascode current mirror |
03/24/1992 | US5099203 Power amplifier having multiple switched stages and method of operating same |
03/24/1992 | US5099139 Voltage-current converting circuit having an output switching function |
03/19/1992 | WO1992004770A1 Differential amplifying circuit of operational amplifier |
03/19/1992 | WO1992004768A1 Power amplifiers |
03/19/1992 | WO1992004732A1 A field emission device employing a layer of single-crystal silicon |
03/18/1992 | EP0475835A1 Chopper amplifier circuit for supplying a current proportional to a voltage and electromagnetic deflection system utilizing such a circuit |
03/18/1992 | EP0475507A1 Amplifier arrangement |
03/18/1992 | EP0475118A2 Current mirror amplifier circuit and method of driving the same |
03/18/1992 | EP0475116A2 Monolithically realizable radio frequency bias choke |
03/18/1992 | EP0474954A1 BICMOS driving stage for a class AB output gate in integrated circuits |
03/18/1992 | EP0474930A1 Amplifying with directly coupled, cascaded amplifiers |
03/18/1992 | CA2042277A1 Noise canceling photodetector preamplifier useful for computerized tomography |
03/17/1992 | US5097229 Modulator - demodulator transformer coupled d.c. to one mhz information channel |
03/17/1992 | US5097225 Amplifier with short-circuit protection |
03/17/1992 | US5097224 Self-biasing, low noise amplifier of extended dynamic range |
03/17/1992 | US5097223 Current feedback audio power amplifier |
03/17/1992 | US5097219 Pll for controlling frequency deviation of a variable frequency oscillator |
03/17/1992 | CA1297543C Advanced vhf-uhf wideband amplifier and signal processing device incorporating said amplifier, particularly for television signals |
03/17/1992 | CA1297542C Amplifier |
03/15/1992 | CA2050819A1 Chopper amplifier circuit for the supply of a current proportional to a voltage |
03/12/1992 | DE4129334A1 Precision MOSFET resistance circuit - uses pair of drain- and source-coupledMOSFET(s) and associated source followers |
03/10/1992 | US5095286 Fiber optic receiver and amplifier |