| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 03/31/1988 | DE3731130A1 Spannungs/strom-wandleranordnung Voltage / current converter arrangement |
| 03/31/1988 | DE3631955A1 X-Ray image intensifier television chain with a video amplifier |
| 03/30/1988 | EP0261813A2 Linearizer for TWT amplifiers |
| 03/30/1988 | EP0261482A2 Operational amplifier |
| 03/30/1988 | EP0261366A1 Fast digital power amplifier |
| 03/29/1988 | US4734654 Linear voltage to current transducer |
| 03/29/1988 | US4734595 Device for controlling an output circuit of an integrated circuit |
| 03/29/1988 | US4734587 Optoelectric distance measuring apparatus with a time discriminator for the accurate detection of electric pulse sequence |
| 03/29/1988 | CA1234646A1 Wideband high voltage amplifier for telephone exchange subscriber line interface utilizing low voltage control circuitry |
| 03/24/1988 | WO1988002197A1 Circuit utilizing resistors trimmed by metal migration |
| 03/23/1988 | EP0260785A2 Fast recovery amplifier |
| 03/23/1988 | EP0260752A1 Active symmetrical balance hybrid circuit |
| 03/22/1988 | US4733196 Current gain stage with low voltage drop |
| 03/22/1988 | US4733195 Travelling-wave microwave device |
| 03/22/1988 | US4733194 Apparatus and method for paralleling power field effect transistors in high frequency amplifiers |
| 03/22/1988 | US4733192 Amplifying arrangements including a klystron having a power transfer characteristic which is substantially the same over its entire passband |
| 03/16/1988 | EP0259879A2 Operational amplifier circuit having wide operating range |
| 03/16/1988 | EP0259403A1 Method for the compensation of the offset voltage of a regulating amplifier and circuit arrangement for implementing such method. |
| 03/16/1988 | CN87104509A Direct-coupled push-pull power amplifier circuit and double load synthesizer |
| 03/16/1988 | CN85102973B Electric current and voltage conversion amplifier and especially preliminary amplifier of light-receiving device |
| 03/15/1988 | US4731589 Constant current load and level shifter circuitry |
| 03/15/1988 | US4731588 Gain selectable amplifier with resonance compensation |
| 03/10/1988 | WO1988001808A1 Auto zero circuit for flow meter |
| 03/10/1988 | DE3727248A1 Power amplifier for an inductive load |
| 03/09/1988 | EP0259029A2 FET transconductance amplifier with improved linearity and gain |
| 03/09/1988 | EP0258735A2 Process circuit for use in voltage-output type sensors |
| 03/08/1988 | US4730168 CMOS output stage with large voltage swing and with stabilization of the quiescent current |
| 03/08/1988 | US4730167 For amplifying a modulated voltage signal |
| 03/08/1988 | US4730124 High transconductance composite PNP transistor |
| 03/03/1988 | DE3726743A1 FET chain amplifier |
| 03/02/1988 | EP0257736A1 An amplifier having a cascade circuit |
| 03/02/1988 | EP0257345A2 Compensated current mirror |
| 03/02/1988 | EP0257200A2 Synchronized measuring amplifier |
| 03/02/1988 | EP0157799B1 Common mode signal detector |
| 03/01/1988 | US4728905 High frequency, wide band, superlinear integrable amplifier and its method of fabrication |
| 03/01/1988 | US4728903 Class A high-fidelity amplifier |
| 03/01/1988 | US4728902 Stabilized cascode amplifier |
| 03/01/1988 | US4728901 Power buffer circuit |
| 03/01/1988 | US4728900 Balanced differential amplifier |
| 03/01/1988 | US4728828 Switched capacitor transresistance amplifier |
| 03/01/1988 | CA1233532A1 Microstrip circuit |
| 02/25/1988 | WO1988001452A1 Amplifier for low h.t. voltage and low quiescent current drain |
| 02/24/1988 | EP0256729A2 Amplifier circuit |
| 02/24/1988 | EP0256505A1 Power transmitter, in particular a power broadcasting transmitter |
| 02/24/1988 | CN87103771A Amplifier arrangement |
| 02/23/1988 | US4727465 Drive circuit for N-channel power MOS transistors of push-pull stages |
| 02/23/1988 | US4727336 Wide band low power loss video amplifier |
| 02/23/1988 | US4727269 Temperature compensated sense amplifier |
| 02/23/1988 | CA1233205A1 High frequency energy source |
| 02/16/1988 | US4725791 For altering an electrical parameter of a utilization circuit |
| 02/16/1988 | US4725790 Broadband DC level shift circuit with feedback |
| 02/16/1988 | US4725788 Switching amplifier |
| 02/11/1988 | DE3724262A1 Circuit arrangement for capacitive voltage sources having a high output impedance, especially for capacitor microphones |
| 02/10/1988 | EP0255652A2 Power amplifier |
| 02/10/1988 | CN86207859U Low frequency amplifier with a inductor load |
| 02/09/1988 | US4724400 Linear amplifier assembly |
| 02/09/1988 | US4724399 For use in satellite communication |
| 02/09/1988 | US4724397 Trimmable differential amplifier having a zero temperature coefficient offset voltage and method |
| 02/09/1988 | US4724396 Digital audio amplifier |
| 02/09/1988 | US4724315 Optical receiver |
| 02/09/1988 | CA1232637A1 Amplifier with extended output drive capability |
| 02/04/1988 | DE3625213A1 Amplifier for amplifying signals in electrical communication |
| 02/03/1988 | EP0254873A2 Circuit arrangement with a bridge endstage |
| 02/02/1988 | US4723308 AM signal transmitter |
| 02/02/1988 | US4723191 Electronic voltage regulator for use in vehicles with protection against transient overvoltages |
| 02/02/1988 | US4723112 Level shift circuit for differential signals |
| 02/02/1988 | US4723111 Amplifier arrangement |
| 02/02/1988 | US4723110 Transconductance amplifier |
| 01/28/1988 | WO1988000774A1 Audio amplifier |
| 01/28/1988 | WO1988000773A1 Audio amplifier system |
| 01/28/1988 | WO1988000772A1 Audio amplifier system |
| 01/28/1988 | DE3624763A1 Low-noise single-stage transistor preamplifier |
| 01/28/1988 | DE3623135A1 Optical amplifier |
| 01/27/1988 | EP0254323A2 Differential amplifier circuit improved to shorten a circuit recovery time thereof |
| 01/26/1988 | US4721922 Electric signal amplifiers |
| 01/26/1988 | US4721919 Class G bridge amplifier with unipolar supplies |
| 01/20/1988 | EP0253704A1 Double differential summing amplifier with four independent inputs |
| 01/20/1988 | EP0253016A1 Charge amplifier circuit |
| 01/20/1988 | EP0252981A1 Gate modulated transimpedance amplifier with buffering for focal plane array |
| 01/19/1988 | US4720686 Circuit for converting a fully differential amplifier to a single-ended output amplifier |
| 01/19/1988 | US4720685 FET transconductance amplifier with improved linearity and gain |
| 01/13/1988 | EP0252114A1 Non-reactive radial line power divider/combiner with integral mode filters. |
| 01/12/1988 | US4719431 Audio power amplifier |
| 01/12/1988 | US4719430 Low voltage class B amplifier with low value decoupling capacitors |
| 01/07/1988 | EP0251865A1 Method and apparatus for improving the sensitivity and signal to noise ratio of piezoelectric transducers comprising several sensors connected in parallel |
| 01/07/1988 | EP0250763A1 Differental summing amplifier for inputs having large common mode signals |
| 01/07/1988 | EP0250434A1 Broad band signal amplifier |
| 01/05/1988 | US4717888 Integrated circuit offset voltage adjustment |
| 01/05/1988 | US4717887 Differential amplifier stage having circuit elements for setting the gain to zero |
| 01/05/1988 | US4717886 Operational amplifier utilizing resistors trimmed by metal migration |
| 01/05/1988 | US4717885 Operational amplifier utilizing FET followers and feed-forward capacitors |
| 01/05/1988 | US4717884 High efficiency RF power amplifier |
| 01/05/1988 | US4717869 Controlled current source apparatus for signals of either polarity |
| 01/05/1988 | US4717846 Tri-state output circuit provided with means for protecting against abnormal voltage applied to output terminal |
| 01/05/1988 | US4717836 CMOS input level shifting circuit with temperature-compensating n-channel field effect transistor structure |
| 01/05/1988 | CA1231175A1 Switched-capacitor circuit analog-to-digital converter |
| 12/30/1987 | CN87209231U Pulse width-modulation & photoelectric coupled analogue signal isolator |
| 12/29/1987 | US4716580 Charge transfer analog comparator and devices using such a comparator |
| 12/29/1987 | US4716382 Microwave amplifying apparatus |
| 12/29/1987 | US4716381 High-current operational amplifier |