| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 09/16/1992 | EP0503862A2 Class E fixed frequency converter |
| 09/16/1992 | EP0503843A1 Amplifying circuit |
| 09/16/1992 | EP0503761A1 Power amplifying means for r.f. signals |
| 09/16/1992 | EP0503571A1 Pulse-width modulation amplifier |
| 09/16/1992 | CN2116304U High efficiency all-frequency-channel tv antenna amplifier |
| 09/15/1992 | US5148121 Amplifier circuit designed for use in a bipolar integrated circuit, for amplifying an input signal selected by a switch circuit |
| 09/15/1992 | US5148120 Class-AB push-pull drive circuit |
| 09/15/1992 | US5148119 Precise reference voltage generator for feedforward compensated amplifiers |
| 09/15/1992 | US5148118 Level shift circuit with gain enhancement |
| 09/15/1992 | US5148116 Enhanced vacuum tube power amplifier |
| 09/15/1992 | US5148115 Offset voltage generator circuit |
| 09/15/1992 | CA2061135A1 Power amplifying means for r.f. signals |
| 09/13/1992 | CA2061399A1 Scanning electromagnetic beam systems |
| 09/09/1992 | EP0502570A1 Controllable voltage-to-current converter having third-order distortion reduction |
| 09/08/1992 | USRE34060 High speed semiconductor memory device having a high gain sense amplifier |
| 09/08/1992 | US5146506 Isolator circuit for an audio system |
| 09/08/1992 | US5146476 High gain amplifier for reception of low level pulse code modulation nonreturn-to-zero signals |
| 09/08/1992 | US5146190 Circuit for the switching of a microwave output signal towards a first or second output |
| 09/08/1992 | US5146188 Constant current circuit and an oscillating circuit controlled by the same |
| 09/08/1992 | US5146182 Microwave device |
| 09/08/1992 | US5146181 BiCMOS output stage with improved output voltage signal |
| 09/08/1992 | US5146179 Fully differential operational amplifier having frequency dependent impedance division |
| 09/08/1992 | US5146178 Impedance-matched, class F high-frequency amplifier |
| 09/08/1992 | US5146177 Balanced reflective nonlinear processor using FETs |
| 09/08/1992 | US5146176 Amplifier circuit with input error compensation |
| 09/08/1992 | US5146175 Combining technique for a multistage, parallel amplifier |
| 09/08/1992 | US5146106 CMOS winner-take all circuit with offset adaptation |
| 09/03/1992 | DE4106267A1 Car radio with bridge output stage - has bridge branch, in parallel with temp. sensor, controllable by waveband switch |
| 09/02/1992 | EP0500889A1 Power amplifiers |
| 09/02/1992 | EP0500700A1 High fidelity hearing aid amplifier. |
| 09/02/1992 | EP0500694A1 Fully differential cmos power amplifier. |
| 09/02/1992 | EP0500645A1 Transducer signal conditioning circuit |
| 09/02/1992 | CN1018134B Video display driver apparatus |
| 09/01/1992 | US5144259 Amplifier having a push-pull out-put stage |
| 09/01/1992 | US5144258 Power amplifier system for radio transmitter and method for using the same |
| 09/01/1992 | US5144257 For providing increased power operation at microwave |
| 09/01/1992 | US5144171 High-speed differential-feedback cascode sense amplifier |
| 09/01/1992 | US5144169 Operational amplifier circuit |
| 08/29/1992 | CA2037375A1 Driver for a high efficiency, high frequency class-d power amplifier |
| 08/26/1992 | EP0500434A1 Two band amplifier module |
| 08/26/1992 | EP0499746A1 Instrumentation amplifier with single supply capacity and simplified gain equation |
| 08/26/1992 | EP0499645A1 Differential amplifying circuit of operational amplifier |
| 08/26/1992 | CN1063945A Frequency compensated circuit |
| 08/25/1992 | US5142401 Apparatus and method for a linear, wideband sensitive optical receiver |
| 08/25/1992 | US5142253 Spatial field power combiner having offset coaxial to planar transmission line transitions |
| 08/25/1992 | US5142245 Power amplifier for rectangular input signals |
| 08/25/1992 | US5142244 Full range input/output comparator |
| 08/25/1992 | US5142243 Apparatus and method for an input stage of an operational amplifier |
| 08/25/1992 | US5142242 Precision transconductance amplifier |
| 08/25/1992 | US5142241 Differential input circuit |
| 08/25/1992 | US5142240 Amplifier circuit with correction of amplitude and phase distortions |
| 08/25/1992 | US5142239 High frequency linear amplifier assembly |
| 08/25/1992 | US5142238 Switched-capacitor differential amplifier |
| 08/25/1992 | US5142219 Switchable current-reference voltage generator |
| 08/25/1992 | US5142168 Emitter-coupled logic balanced signal transmission circuit |
| 08/20/1992 | WO1992014301A1 Gain linearity correction circuit for mos circuits |
| 08/20/1992 | WO1992014300A1 High power switch-mode radio frequency amplifier method and apparatus |
| 08/20/1992 | DE4104714A1 Electric signal processing circuitry - has two inverting circuits with output of each connected to input of other and respective inputs of differential amplifier |
| 08/19/1992 | EP0499554A1 Transconductance operational amplifier with great common mode swing |
| 08/19/1992 | EP0499263A1 Radio frequency amplifier circuit |
| 08/19/1992 | EP0499116A1 Compact RF power generator system |
| 08/19/1992 | EP0498893A1 Microwave multi-stage amplifier |
| 08/18/1992 | US5140282 Current amplifier arrangement |
| 08/18/1992 | US5140281 Amplifier circuit |
| 08/18/1992 | US5140280 Rail-to-rail output stage of an operational amplifier |
| 08/18/1992 | US5140181 Reference voltage source circuit for a Darlington circuit |
| 08/13/1992 | DE4104064A1 High power LC filter e.g. for Rf generator - has coils surrounded by magnetic cores with large surface contacts to filter housing |
| 08/12/1992 | EP0498197A2 Circuit for DC control of a compressor |
| 08/12/1992 | EP0498101A1 Monolithic microwave IC oscillator |
| 08/11/1992 | US5138318 Differential voltage buffer amplifier circuit and serial-parallel A-D converter |
| 08/11/1992 | US5138284 Push-push oscillator using a transmission line resonator and differential output |
| 08/11/1992 | US5138278 Broadband signal amplifier |
| 08/11/1992 | US5138276 Distortion-compensated differential circuit |
| 08/11/1992 | US5138250 Method of controlling a chopper regulator and a circuit implementing said method |
| 08/11/1992 | US5138249 Circuit for regulating a parameter by means of a bidirectional current structure |
| 08/11/1992 | US5138148 Fiber optic receiving circuit having improved gain over a wide frequency band |
| 08/06/1992 | WO1992013401A1 Device for communication by light |
| 08/04/1992 | US5136720 Matrixed mixer |
| 08/04/1992 | US5136300 Modular solid state radar transmitter |
| 08/04/1992 | US5136259 Differential amplifier having a bias stabilizing circuit |
| 08/04/1992 | US5136258 Circuit arrangement for enhancing the transconductance of a differential amplifier stage comprising MOS transistors |
| 08/04/1992 | US5136256 Amplifier combiner |
| 08/04/1992 | US5136255 Amplifier circuit |
| 07/30/1992 | DE4101892A1 Transconductance amplifier transfer admittance control circuit - has amplifier controlling transconductance amplifier output current according to reference voltage using feedback |
| 07/29/1992 | EP0496449A1 Switching bridge amplifier |
| 07/29/1992 | EP0496321A2 Current supply circuit for driving high capacitance load in an integrated circuit |
| 07/29/1992 | CN2111594U Voltage regulating electromagnetic changing millivolt transformer |
| 07/28/1992 | US5134310 Current supply circuit for driving high capacitance load in an integrated circuit |
| 07/23/1992 | WO1992012575A1 Semiconductor device |
| 07/23/1992 | WO1992012572A1 Improved switching amplifier |
| 07/23/1992 | DE4101577A1 Transconductance amplifier, e.g. for variable limit frequency filter - has seven current mirrors and two PNP input transistors providing inverting and non=inverting inputs |
| 07/22/1992 | EP0495500A2 Charge transfer device equipped with charge signal detector improved in sensitivity as well as in voltage amplification |
| 07/22/1992 | EP0495460A1 Operational amplifier |
| 07/22/1992 | EP0495280A1 Analog to digital convertor with drift compensation |
| 07/21/1992 | US5132641 Apparatus and method for dividing/combining microwave power from an odd number of transistor chips |
| 07/21/1992 | US5132640 Differential current amplifier circuit |
| 07/21/1992 | US5132638 High power klystron amplifier |
| 07/21/1992 | US5132637 RF power amplifier system having improved distortion reduction |
| 07/21/1992 | US5132609 Circuit for measuring the level of an electrical signal and including offset correction means, and application thereof to amplifiers having automatic gain control |
| 07/21/1992 | US5132560 Voltage comparator with automatic output-level adjustment |