| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 01/17/1989 | US4798982 Active symmetrical balance hybrid circuit |
| 01/11/1989 | EP0298874A1 Impulse modulation method and device therefor |
| 01/11/1989 | CN2030777U Multi-loop digital servo amplifier |
| 01/10/1989 | US4797633 Audio amplifier |
| 01/10/1989 | US4797631 Folded cascode amplifier with rail-to-rail common-mode range |
| 01/10/1989 | US4797630 Two stage push-pull MOSFET power amplifier |
| 01/10/1989 | US4797629 Wide range operational amplifier input stage |
| 01/10/1989 | US4797628 Distributed push-pull amplifier |
| 01/10/1989 | US4797583 Level converting circuit for converting voltage levels, including a current amplifying arrangement |
| 01/10/1989 | US4797546 Method for reading a light-sensitive element constituted by a photodiode and a capacitor |
| 01/10/1989 | US4796503 Amplification circuit for electronic tone generator |
| 01/10/1989 | CA1248599A1 Very low input current jfet amplifier |
| 01/04/1989 | EP0297715A2 Improved differential input stage for differential line receivers and operational amplifiers |
| 01/04/1989 | EP0297639A2 Correction arrangement for an amplifier |
| 01/03/1989 | US4795920 Method and apparatus for sourcing and sinking current |
| 12/29/1988 | WO1988010534A1 A device for use at active filters and use thereof |
| 12/29/1988 | DE3719482A1 Amplifier |
| 12/28/1988 | EP0296992A1 Differential amplifier with differential outputs and its application to read head switching circuits for magnetic recorders |
| 12/28/1988 | EP0296762A2 Improved operational transconductance amplifier for use in sample-and-hold circuits and the like |
| 12/28/1988 | EP0296318A2 CMOS precision gain amplifier |
| 12/27/1988 | US4794349 Fully differential, CMOS operational power amplifier |
| 12/27/1988 | US4794348 Linear wideband differential amplifier and method for linearizing the same |
| 12/27/1988 | US4794347 Amplifier circuit having crossover switching features |
| 12/27/1988 | US4794342 Intermediate frequency amplification circuit capable of detecting a field strength with low electric power |
| 12/27/1988 | US4794247 Read-out amplifier for photovoltaic detector |
| 12/21/1988 | EP0296131A1 Device for use at active filters and use thereof |
| 12/21/1988 | EP0295973A1 Noise reduction arrangement for ultra-high frequency amplifier and amplifier-antenna connection including such an arrangement |
| 12/20/1988 | US4792997 Receiver for optical digital signals with dark current compensation |
| 12/20/1988 | US4792987 Antenna coupling amplifier and converter system |
| 12/20/1988 | US4792766 Method of controlling temperature in push-pull audio output circuits and temperature control circuit |
| 12/20/1988 | US4792748 Two-terminal temperature-compensated current source circuit |
| 12/20/1988 | US4792704 Scaled voltage level translator circuit |
| 12/15/1988 | WO1988010025A1 Envelope amplifier |
| 12/14/1988 | EP0295221A2 CMOS power operational amplifier |
| 12/14/1988 | EP0294880A2 Differential amplifier and current sensing circuit including such an amplifier |
| 12/13/1988 | US4791383 High speed current amplifier buffer circuit |
| 12/13/1988 | US4791382 For amplifying current of an input signal |
| 12/13/1988 | US4791381 Integrated amplifier circuit |
| 12/13/1988 | US4791325 For providing a fixed reference voltage |
| 12/13/1988 | US4791286 Pre-amplifier in focal plane detector array |
| 12/13/1988 | CA1246678A1 Optical heterodyne receiver |
| 12/07/1988 | EP0293486A1 Amplifier having a constant-current bias circuit |
| 12/06/1988 | US4789777 Photelectric amplifier having plural actuable feedback paths |
| 12/06/1988 | CA1246161A1 Logic circuit |
| 12/01/1988 | DE3716826A1 Electromagnetic converter |
| 12/01/1988 | DE3715731A1 Amplifier with feedback |
| 11/30/1988 | EP0293039A1 Bipolar transistor amplifier |
| 11/30/1988 | EP0293020A1 High-precision amplification circuit of small size and low power consumption for integrated circuits |
| 11/30/1988 | CN87213765U Large power pulse electric source |
| 11/29/1988 | US4788511 Distributed power amplifier |
| 11/29/1988 | US4788510 Differential input stage for differential line receivers and operational amplifiers |
| 11/29/1988 | US4788509 Phase shifter |
| 11/29/1988 | US4788508 Pop noise suppression circuit for audio amplifier |
| 11/23/1988 | CN86108332A Method for improving semiconductor circuit |
| 11/22/1988 | US4787007 Output driver circuit |
| 11/22/1988 | US4786880 Filter arrangement |
| 11/22/1988 | US4786878 Low-frequency power amplifier, in particular of the integrated type |
| 11/22/1988 | CA1245372A1 Bipolar semiconductor device and mos circuit incorporating such a device |
| 11/15/1988 | US4785257 Power amplifier circuit for an audio circuit |
| 11/15/1988 | US4785237 Amplifier with D.C. compensation |
| 11/15/1988 | US4785167 Photodetector having cascaded photoelements |
| 11/15/1988 | CA1244894A1 Low voltage class b amplifier with low value decoupling capacitors |
| 11/09/1988 | EP0290277A2 A low noise integrated active load circuit |
| 11/09/1988 | EP0289818A2 A non-inverting repeater circuit for use in semiconductor circuit interconnections |
| 11/08/1988 | US4783643 Impedance transforming circuit for multibit parallel digital circuits |
| 11/08/1988 | US4783637 Front end stage of an operational amplifier |
| 11/08/1988 | US4783636 Amplifiers providing balanced output signals |
| 11/08/1988 | US4783602 Operational transconductance amplifier for use in sample-and-hold circuits and the like |
| 11/02/1988 | EP0289181A2 Differential circuit with controllable offset |
| 11/02/1988 | EP0288697A2 Scaled voltage level translator circuit |
| 11/01/1988 | US4782307 Feed-forward microwave amplifier arrangement with ferrite temperature compensation |
| 11/01/1988 | US4782306 Power amplifier |
| 10/26/1988 | EP0288303A2 Improved differential single-ended converter |
| 10/26/1988 | EP0287914A2 Integratable class AB output stage for low-frequency amplifiers |
| 10/26/1988 | EP0112358B1 Current mirror circuit arrangement |
| 10/26/1988 | CN87211629U Indoor tv antenna amplifier |
| 10/25/1988 | US4780853 Memory device |
| 10/25/1988 | US4780690 Filter arrangement having a transconductance circuit |
| 10/25/1988 | US4780689 Amplifier input circuit |
| 10/25/1988 | US4780688 Large signal output current enhancement for a differential pair |
| 10/25/1988 | US4780687 Differential amplifier circuit for regenerating low-amplitude complementary signals |
| 10/25/1988 | US4780686 Semiconductor differential amplifier |
| 10/25/1988 | US4780685 Composite power amplifier with redundancy |
| 10/25/1988 | US4780684 Microwave integrated distributed amplifier with field emission triodes |
| 10/25/1988 | US4780630 Double differential summing amplifier with four independent inputs |
| 10/25/1988 | US4780625 Integrated circuit sensor circuit |
| 10/20/1988 | WO1988008226A1 Asymmetrical dual input amplifier |
| 10/20/1988 | WO1988008225A1 Broadband, high speed video amplifier |
| 10/20/1988 | WO1988008224A1 Output amplifier |
| 10/19/1988 | EP0287063A2 Circuit for automatically controlling the gain-bandwidth product of operational amplifiers |
| 10/18/1988 | US4779061 Current-mirror arrangement |
| 10/18/1988 | US4779060 Linear power amplifying system |
| 10/18/1988 | US4779059 Current mirror circuit |
| 10/18/1988 | US4779058 Ohmically isolated input circuit |
| 10/18/1988 | US4779057 Cascode amplifier with nonlinearity correction and improve transient response |
| 10/18/1988 | CA1243369A1 High-fidelity audio frequency amplifier |
| 10/18/1988 | CA1243367A1 Level-shifting circuit |
| 10/12/1988 | EP0286390A2 Microwave power combining FET amplifier |
| 10/12/1988 | EP0286347A2 Balanced output analog differential amplifier circuit |
| 10/11/1988 | US4777472 Modified cascode amplifier |