Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
06/1998
06/23/1998US5770956 Measurement amplifier
06/23/1998US5770954 For producing a logic configuration of two complementary nodes
06/18/1998WO1998026631A1 Power supply for microphone
06/18/1998WO1998026503A1 Efficient parallel-stage power amplifier
06/18/1998WO1998026502A2 Linear high-frequency amplifier with high input impedance and high power efficiency
06/18/1998WO1998026501A1 Class d amplifier
06/17/1998EP0848262A2 Amplifier adapted for an induction sensor
06/17/1998EP0847616A1 Opposed current power converter
06/16/1998US5768601 Apparatus for eliminating audio noise when power is cycled to a computer
06/16/1998US5768399 Low distortion amplifier
06/16/1998US5767748 Voltage controlled oscillator and voltage controlled delay circuit
06/16/1998US5767743 Radio frequency power amplifier having a tertiary harmonic wave feedback circuit
06/16/1998US5767742 Circuit arrangement comprising a differential amplifier
06/16/1998US5767741 Self compensating differential circuit
06/16/1998US5767740 Switching amplifier closed loop dual comparator modulation technique
06/16/1998US5767730 Input switch circuit for switching two video signals
06/16/1998US5767724 Electronic clamping circuit
06/16/1998US5767662 Amplifier having single-ended input and differential output and method for amplifying a signal
06/16/1998US5767538 Integrated photodiode/transimpedance amplifier
06/16/1998CA2085415C Amplifier biasing circuit
06/10/1998EP0847135A2 High frequency variable gain amplifier device
06/10/1998EP0846367A1 Bridge amplifier with feedback over the load
06/09/1998US5764105 Push-pull output circuit method
06/09/1998US5764104 Method and system for reducing noise in a hybrid matrix amplifier
06/09/1998US5764101 Rail-to-rail input common mode range differential amplifier that operates with very low rail-to-rail voltages
06/09/1998US5764098 Bias circuit
06/09/1998US5764042 Controlled power supply source
06/04/1998WO1998024176A1 Charge sensitive amplifier with high common mode signal rejection
06/04/1998WO1998024174A1 Device for changing level of analog signal
06/04/1998DE19727796A1 Differential amplifier with two source follower input circuits
06/03/1998EP0845856A1 High swing low noise transconductance amplifier
06/03/1998CN1183673A Multiband high-efficiency linear power amplifier and high-efficiency power amplifier
06/02/1998US5761321 Volume controller
06/02/1998US5760652 Integrated circuit device
06/02/1998US5760650 Coplanar waveguide amplifier
06/02/1998US5760648 For converting a differential input voltage to single-ended output voltages
06/02/1998US5760647 High bandwidth fast settling time operational amplifier and method therefor
06/02/1998US5760641 Controllable filter arrangement
06/02/1998US5760640 Between a first and second supply voltage
06/02/1998US5760629 DC offset compensation device
06/02/1998US5760620 CMOS limited-voltage-swing clock driver for reduced power driving high-frequency clocks
06/02/1998US5760616 Current copiers with improved accuracy
05/1998
05/28/1998WO1998023027A1 Folded-cascode amplifier stage
05/28/1998DE19729813A1 Amplifier circuit with variable shift stage for motor control
05/28/1998DE19645821A1 Small signal amplifier using transistors and resistors
05/27/1998EP0844732A1 Linearizer bridge circuit
05/27/1998EP0844493A1 Spurious frequency suppressor
05/27/1998EP0635173B1 Differential amplifier
05/27/1998CN1183180A Low-voltage differential amplifier
05/26/1998US5757340 Amplifier with a second active element being cascode connected to a first active element and having a control electrode connected to a constant voltage
05/26/1998US5757241 Pulse amplification apparatus and method
05/26/1998US5757237 Method for dynamically biasing an amplifier and circuit therefor
05/26/1998US5757236 Amplifier bias circuit and method
05/26/1998US5757235 Metal semiconductor field effect transistor of source-ground type
05/26/1998US5757234 Feedforwrd differential amplifier
05/26/1998US5757233 Complementary transistor circuit and amplifier and CRT display device using the same
05/26/1998US5757232 High-impedance circuit having reduced stray capacitance
05/26/1998US5757231 Feed-forward amplifying device and base station with feed-forward amplifying device
05/26/1998US5757229 Bias circuit for a power amplifier
05/26/1998US5757227 Ambient temperature cadmium zinc telluride radiation detector and amplifier circuit
05/26/1998US5757175 Constant current generating circuit
05/26/1998CA2120189C Device for evaluating the transmission quality of an optical amplifier
05/26/1998CA2072318C Amplifying circuit arrangement
05/22/1998WO1998021835A2 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit
05/22/1998WO1998021821A1 An arrangement for reducing and stabilizing the amplification of a darlington-coupled output stage
05/22/1998CA2271112A1 A method and an arrangement for adapting, from a dc point of view, a first circuit to at least one second circuit
05/22/1998CA2271111A1 An arrangement for reducing and stabilizing the amplification of a darlington-coupled output stage
05/20/1998EP0843409A1 Power amplifier apparatus
05/20/1998EP0843408A1 Amplification circuit which includes an input current compensation device
05/20/1998DE19647875A1 Electronic circuit for acoustic signals converted into electric signal
05/19/1998US5754079 Method and apparatus for biasing a differential cascode circuit
05/19/1998US5754078 Operational amplifier for class B amplification
05/19/1998US5754076 Differential circuit having a variable current circuit for producing an exponential or a square transfer characteristic
05/19/1998US5754066 Output stage for buffering an electrical signal and method for performing the same
05/19/1998US5754039 Voltage-to-current converter using current mirror circuits
05/14/1998WO1998020610A1 Low-impedance cmos output stage and method
05/14/1998WO1998020608A1 Improvements in or relating to amplifiers
05/14/1998DE19733173A1 Microwave power amplifier with at least two stages
05/13/1998EP0841755A1 Power saving and sensitive RF receiver having unconditional stability
05/13/1998EP0841747A2 Fast buffer
05/13/1998EP0841746A2 Fast buffer
05/13/1998EP0840951A2 Amplifier with active-bootstrapped gain-enhancement technique
05/13/1998EP0840950A1 Field effect transistor cable television line amplifier
05/13/1998CN1181848A Integrated driver for half-bridge circuit
05/13/1998CN1181658A Semiconductor device
05/12/1998US5752182 Hybrid IC
05/12/1998US5751826 Monolithically integrable mixer network for a mixer console
05/12/1998US5751823 Audio amplifier system with improved isolation between preamplifier and power amplifier
05/12/1998US5751250 Low distortion power sharing amplifier network
05/12/1998US5751191 Reproducing signal amplifier and central value signal generator
05/12/1998US5751190 Gain-controlled amplifier and distributed amplifier
05/12/1998US5751186 Operational amplifier circuit with an extended input voltage range
05/12/1998US5751183 Bipolar transistor circuit having a free collector
05/12/1998US5751181 Power amplifier circuit
05/12/1998US5751177 Variable level shifter and multiplier suitable for low-voltage differential operation
05/07/1998WO1998019391A2 Pulse modulation power amplifier with enhanced cascade control method
05/06/1998EP0840444A1 Power amplifier apparatus
05/06/1998EP0840443A1 High-frequency amplifier
05/06/1998EP0840442A1 A two-stage fully differential operational amplifier with efficient common-mode feed back circuit
05/06/1998EP0839407A1 A high frequency, differential limiting distributed amplifier
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