| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/05/1985 | EP0143493A2 Programmable thick film networks and method for making same |
| 06/05/1985 | EP0143375A2 Transformerless push-pull amplifier |
| 06/05/1985 | EP0143172A1 Isolation circuit for measuring a DC voltage |
| 06/05/1985 | EP0047754B1 Split-band redundant amplifier system |
| 06/04/1985 | US4521743 Switched capacitor amplifier |
| 06/04/1985 | US4521742 Amplifier power supply with large dynamic headroom |
| 06/04/1985 | US4521741 For a capacitive voltage source |
| 06/04/1985 | US4521740 Bias current compensated amplifier |
| 06/04/1985 | US4521739 Low offset voltage transistor bridge transconductance amplifier |
| 06/04/1985 | US4521737 Bipolar-MOS current amplifier having active turn-off circuitry |
| 06/04/1985 | US4521704 Differential amplifying circuit |
| 06/04/1985 | US4521702 Active filter network |
| 05/28/1985 | US4520324 MOS Gain controlled amplifier |
| 05/28/1985 | US4520323 Emitter follower type SEPP circuit |
| 05/28/1985 | US4520282 Electronic impedance circuit including a compensation arrangement for d.c. offset |
| 05/28/1985 | CA1187950A1 Monolithic programmable gain-integrator stage |
| 05/28/1985 | CA1187949A1 Negative feedback amplifiers including directional couplers |
| 05/22/1985 | EP0142177A1 Transistor protection circuit |
| 05/22/1985 | EP0142081A2 Signal processing circuit |
| 05/21/1985 | US4518926 Gate-coupled field-effect transistor pair amplifier |
| 05/21/1985 | US4518925 Signal processing circuits |
| 05/21/1985 | US4518924 High voltage amplifier |
| 05/21/1985 | US4518870 Common mode signal detector |
| 05/21/1985 | CA1187618A1 High speed data bus structure and system |
| 05/21/1985 | CA1187567A1 Controlled gain amplifiers |
| 05/14/1985 | US4517528 Amplifier circuit driven by ground isolated power supply |
| 05/14/1985 | US4517527 Waveguide amplifier circuit |
| 05/14/1985 | US4517525 Balancing compensation in differential amplifiers with a single-ended drive |
| 05/14/1985 | US4517524 High frequency operational amplifier |
| 05/14/1985 | US4517522 Switching amplifier |
| 05/14/1985 | CA1187145A1 Driver circuit |
| 05/14/1985 | CA1187144A1 Differential amplifier with auto bias adjust |
| 05/09/1985 | WO1985002072A1 High efficiency igfet operational amplifier |
| 05/08/1985 | EP0140677A2 Differential amplifier using a constant-current source circuit |
| 05/08/1985 | EP0140343A2 Oscillator circuit |
| 05/07/1985 | US4516082 Amplifier circuit for minimizing output voltage power-up transients |
| 05/07/1985 | US4516080 High-efficiency low distortion parallel amplifier |
| 05/07/1985 | CA1186754A1 Fet amplifier with wide dynamic range |
| 05/02/1985 | EP0139470A2 Improvements in or relating to television receivers |
| 05/02/1985 | EP0139210A2 Converting circuit |
| 05/02/1985 | EP0139078A1 Amplifier transistor circuit |
| 04/30/1985 | US4514700 Output amplifier for a transmitting tube |
| 04/30/1985 | US4514699 Microwave power amplifier/combiner |
| 04/25/1985 | WO1985001845A1 An improved sense amplifier circuit for semiconductor memories |
| 04/24/1985 | EP0138261A2 Differential operational amplifier with common mode feedback |
| 04/24/1985 | EP0138260A2 Gain amplifier |
| 04/23/1985 | US4513320 Television luminance signal peaking circuit |
| 04/23/1985 | US4513252 Active load circuit |
| 04/23/1985 | CA1186025A1 Switching amplifier |
| 04/23/1985 | CA1186024A1 Automatic gain control of a single gate gaas fet amplifier |
| 04/17/1985 | EP0137620A2 Improvements in or relating to integrated circuits |
| 04/16/1985 | US4512008 Small signal amplifying circuit for a pickup cartridge |
| 04/16/1985 | US4511857 For reducing nonlinear distortion |
| 04/16/1985 | US4511856 Bootstrap power regulator for systems such as analog to digital converters |
| 04/16/1985 | US4511853 Differential amplifier circuit having improved control signal filtering |
| 04/16/1985 | US4511852 Differential amplifier having balanced output |
| 04/16/1985 | US4511851 Method and apparatus for obtaining small fractional units of capacitance |
| 04/16/1985 | US4511813 Dual-gate MESFET combiner/divider for use in adaptive system applications |
| 04/11/1985 | WO1985001622A1 Common mode signal detector |
| 04/09/1985 | US4510460 Output power control circuit for power amplifier |
| 04/09/1985 | US4510459 Wideband record amplifier |
| 04/09/1985 | US4510458 Amplifier circuit |
| 04/09/1985 | US4510457 Switching amplifier |
| 04/09/1985 | US4510456 PDM Amplifier having distortion reduction circuit |
| 04/03/1985 | EP0135759A2 Circuit arrangement for the conversion of an input voltage lying within a predetermined frequency range of operation into a proportional output voltage |
| 04/02/1985 | US4509147 High speed semiconductor memory device having a high gain sense amplifier |
| 04/02/1985 | US4509021 Circuit for amplifying and/or attenuating a signal |
| 04/02/1985 | US4509020 Push-pull amplifier |
| 04/02/1985 | US4508979 Single-ended push-pull circuit having a small through-current |
| 03/27/1985 | EP0135407A1 Microwave power distributing and synthesizing device and microwave power amplifying apparatus including the same |
| 03/27/1985 | EP0134925A1 Comparator circuit having full supply common mode input |
| 03/26/1985 | US4507619 Amplifier with signal-dependent voltage supply source |
| 03/26/1985 | US4507573 Current source circuit for producing a small value output current proportional to an input current |
| 03/26/1985 | CA1184620A2 Comparator circuit |
| 03/26/1985 | CA1184619A1 Offset compensation for switched capacitor integrators |
| 03/26/1985 | CA1184600A1 Bipolar linear current source driver amplifier for switching loads |
| 03/20/1985 | EP0134468A2 Receiving amplifier for the amplification of a photo current |
| 03/19/1985 | US4506230 Isolation circuit |
| 03/19/1985 | US4506170 Differential current distributing circuit |
| 03/19/1985 | CA1184258A1 Balancing compensation in differential amplifiers with a single-ended drive |
| 03/19/1985 | CA1184257A1 Amplifier stage |
| 03/19/1985 | CA1184130A1 Apparatus for driving one or more transducer units |
| 03/12/1985 | US4504798 Transistor circuit including biassing circuit |
| 03/12/1985 | US4504797 Preamplifier circuits |
| 03/12/1985 | US4504796 Microwave circuit apparatus |
| 03/12/1985 | US4504795 Impedance conversion circuit using FETs |
| 03/12/1985 | US4504794 Integrable differential amplifier |
| 03/12/1985 | US4504793 Pulse-width modulation circuit |
| 03/12/1985 | CA1183910A1 Divider/combiner amplifier |
| 03/06/1985 | EP0133799A2 Tuning system on dielectric substrates |
| 03/06/1985 | EP0133724A2 High-frequency amplifier with distortion compensation |
| 03/05/1985 | US4503478 Transistor power amplifier circuit |
| 03/05/1985 | US4503381 Integrated circuit current mirror |
| 03/05/1985 | CA1183364A1 Apparatus and method for measuring optically active materials |
| 02/27/1985 | EP0133506A2 Output stage for power amplifiers |
| 02/26/1985 | US4502020 Settling time reduction in wide-band direct-coupled transistor amplifiers |
| 02/26/1985 | US4502019 Dynamic amplifier circuit |
| 02/26/1985 | US4502018 Gain regulation circuit for an amplifier circuit |
| 02/26/1985 | US4502017 Operational amplifier having frequency compensation |
| 02/26/1985 | US4502016 Final bridge stage for a receiver audio amplifier |