Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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12/01/1988 | DE3715731A1 Amplifier with feedback |
11/30/1988 | EP0293039A1 Bipolar transistor amplifier |
11/29/1988 | US4788508 Pop noise suppression circuit for audio amplifier |
11/23/1988 | EP0292105A2 Audio amplifier protection circuit |
11/23/1988 | CN86108332A Method for improving semiconductor circuit |
11/22/1988 | US4786970 Logarithmic amplifier |
11/22/1988 | US4786881 Amplifier with integrated feedback network |
11/22/1988 | US4786877 Amplifier for voltage or current to frequency converter |
11/17/1988 | DE3812733A1 Short-circuit protection circuit |
11/15/1988 | US4785258 CMOS amplifier circuit which minimizes power supply noise coupled via a substrate |
11/15/1988 | US4785257 Power amplifier circuit for an audio circuit |
11/15/1988 | US4785237 Amplifier with D.C. compensation |
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 | EP0289807A2 Method for the temperature compensation of electric networks, and arrangements therefor |
11/02/1988 | EP0289130A2 Radio transmitters |
11/02/1988 | EP0289099A1 Negative-feedback amplifier with accurately defined input or output impedance combined with high or low output or input impedance respectively |
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 | EP0112358B1 Current mirror circuit arrangement |
10/25/1988 | US4780685 Composite power amplifier with redundancy |
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 | US4779057 Cascode amplifier with nonlinearity correction and improve transient response |
10/18/1988 | US4779012 Track-and-hold amplifier |
10/12/1988 | CN87102520A Components for operational amplifier with high impedance and low leakage current |
10/11/1988 | US4777518 Semiconductor device including gate protection circuit with capacitor under input pad |
10/11/1988 | US4777392 Voltage repeater circuit for loads with a resistive component with harmonic distortion compensation |
10/06/1988 | WO1988007787A1 Semiconductor emulation of tube amplifiers |
10/05/1988 | EP0285483A1 Low-noise broadband amplifier for metric waves |
10/04/1988 | US4775844 Bridge amplifier topology |
10/04/1988 | US4775842 Multi-output feedback amplifier |
09/28/1988 | EP0284092A2 Differential Amplifier |
09/28/1988 | EP0283865A1 Pinchoff voltage generator |
09/27/1988 | US4774478 Feedback amplifier compensation circuitry |
09/27/1988 | US4774477 Power amplifier having low intermodulation distortion |
09/27/1988 | US4774476 Linearized differential amplifier |
09/27/1988 | US4774475 Linearized differential fT doubler amplifier |
09/22/1988 | WO1988007267A1 Adaptive thermal protection for a power amplifier by remote sense |
09/21/1988 | EP0283143A2 Power amplifier having low intermodulation distortion |
09/21/1988 | EP0282529A1 Auto zero circuit for flow meter. |
09/20/1988 | US4772859 Microwave temperature compensated cascadable amplifier for fiber optical receiver |
09/20/1988 | US4772857 Amplifying circuit |
09/20/1988 | US4772856 Power amplifier |
09/20/1988 | US4772855 Linearizer for microwave power amplifiers |
09/14/1988 | EP0281684A1 Over-voltage-protected Darlington switch |
09/07/1988 | EP0281117A2 Pop noise suppression circuit for audio amplifier |
09/06/1988 | US4769714 Noise and arc suppression filter for a display driver stage |
09/06/1988 | US4769619 Compensated current mirror |
09/06/1988 | US4769615 Power supply and signal amplifier and method of operation |
09/06/1988 | US4769560 Semiconductor device having darlington-connected transistor circuit |
08/31/1988 | EP0280356A2 Linearizer for microwave power amplifiers |
08/31/1988 | EP0280327A2 Audio output amplifier |
08/31/1988 | EP0279993A2 A circuit for removing unwanted temporal portions of a voltage varying signal |
08/30/1988 | US4767946 High-speed supply independent level shifter |
08/30/1988 | CA1241391A1 Automatic reduction of intermodulation products in high power linear amplifiers |
08/25/1988 | WO1988006379A1 Correction circuit for an amplifier |
08/24/1988 | EP0279694A2 Audio amplifier |
08/24/1988 | EP0279345A1 Device comprising an electronic circuit for analogous signal processing |
08/24/1988 | EP0093140B1 Amplifier suitable for low supply voltage operation |
08/23/1988 | US4766396 Current source type current output circuit using current mirrors |
08/16/1988 | US4764736 Amplifier for high frequency signal |
08/16/1988 | US4764733 Asymmetrical dual input amplifier |
08/10/1988 | EP0277636A2 Nonlinear signal generating circuit and nonlinear compensating device using the same |
08/09/1988 | US4763082 Selectable tuner preamplifier |
08/09/1988 | US4763028 Circuit and method for semiconductor leakage current compensation |
08/03/1988 | EP0276670A1 High-speed supply independent level shifter |
08/02/1988 | US4761615 Voltage repeater circuit with low harmonic distortion for loads with a resistive component |
07/27/1988 | EP0275940A2 Differential amplifier with controllable power consumption |
07/27/1988 | EP0275302A1 Correlated sampling amplifier. |
07/26/1988 | US4760587 Device for transmitting high-frequency pulses in a certain pattern and a radio-navigation system including such a device |
07/26/1988 | US4760486 Protection device against flashover in a transmitter circuit |
07/26/1988 | US4760349 CMOS analog standard cell arrays using linear transconductance elements |
07/26/1988 | US4760345 Charge amplifier circuit |
07/26/1988 | US4760319 Circuit for removing unwanted slope transitions from an incoming signal |
07/26/1988 | US4760284 Pinchoff voltage generator |
07/20/1988 | CN87100144A Transistor amplifier with highly stabilized operating point |
07/19/1988 | US4758873 Balanced MOS capacitor with low stray capacitance and high ESD survival |
07/19/1988 | US4758799 Broadband, high speed video amplifier |
07/19/1988 | US4758798 Output amplifier |
07/12/1988 | US4757274 Input compensation circuit for superbeta transistor amplifier |
07/12/1988 | US4757271 Composite audio amplifier |
07/12/1988 | US4757270 High gain feedback amplifier |
07/05/1988 | US4755770 Low noise current spectral density input bias current cancellation scheme |
07/05/1988 | US4755769 Power reducible composite signal source |
07/05/1988 | US4755768 Amplifier and display using the former |
07/05/1988 | US4755766 Differential to single-ended converter |
06/30/1988 | WO1988004867A1 A method and an arrangement for increasing the dynamic range at an input stage of an optical receiver |
06/29/1988 | EP0272702A2 System for automatically controlling the gain-bandwidth product of operational amplifiers |
06/28/1988 | US4754234 Broadband distributed amplifier for microwave frequences |
06/28/1988 | CA1238695A1 Folded cascode field-effect transistor amplifier with increased gain |
06/21/1988 | US4752747 Device for increasing the output power of a low-tension operated radio set, particularly of the car radio set type |
06/21/1988 | US4752744 Balanced transformer-less amplifier circuit |
06/21/1988 | US4752743 For pre-distorting the input signal |
06/21/1988 | CA1238367A1 Device for limiting the power transmission of radiowave transmitters |