Class 327/179 - Gain

Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter wherein the ratio of output to input amplitude
No. of patents: 39
Last issue date: 11/15/2011

Number	Title	Issue Date
8058918	Programmable high-speed cable with boost device An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embed...	11/15/2011
7936197	Programmable high-speed cable with boost device An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embed...	05/03/2011
7319281	Multi-stage Blumlein A high-voltage pulse generator to generate short high-voltage pulses is described. In one embodiment, a multi-stage Blumlein is used to form relatively short relatively high-voltage pulses. In one embodiment, the multi-stage Blumlein is based on transmissions lines ...	01/15/2008
6594000	Automatic gain control system for use with multiple wavelength signal detector The present invention is an automatic gain control system for use with a multiple wavelength laser LIDAR system that transmits sets of time-separated interrogating signals to generate sets of time-separated return signals. A comparator defines a plurality...	07/15/2003
6265905	Quasi-voltage sensing input impedance controlled preamplifier for magnetoresistive elements A method and system for providing a voltage-sensing preamplifier for use with a magnetoresistive sensor is disclosed. The method includes providing a gain stage and providing a control circuit. The system includes the gain stage and the control circuit. T...	07/24/2001
6188255	Configurable clock generator A circuit and method implement a configurable clock generator comprising a logic circuit, a configurable matrix and a phase-locked loop. The logic circuit may be configured to generate a plurality of control signals. The configurable matrix may comprise a...	02/13/2001
6114881	Current mirror type sense amplifier A current mirror type sense amplifier can prevent the lowering of gain when the input signal and the inverted input signal are swung around the power voltage level, and also stably performs the sensing & amplifying operation in wide range from low power v...	09/05/2000
5949841	Frequency gain display apparatus for L/C band frequency up unit A frequency gain display apparatus for an L/C band frequency up unit which is capable of generating a pulse for adjusting the gain of an L/C band frequency up unit used in a satellite system and a pulse for selecting a band width of a SAW (surface acousti...	09/07/1999
5694069	Variable resistor and gain control circuit and integrated circuit having the variable resistor A gain control circuit according to the present invention comprises an amplifier circuit for controlling gain thereof to amplify an input signal and a control circuit. The amplifier circuit includes an input terminal for inputting the signal, a first tran...	12/02/1997
5694038	Detector of passing magnetic articles with automatic gain control A magnetic-field-to-voltage transducer includes a Hall element and a digitally gain-controlled Hall-voltage amplifier that produces an analog voltage Vsig having excursions of one polarity corresponding to the passing of magnetic articles. Vsig is applied...	12/02/1997
5559460	Peak detection circuit for suppressing magnetoresistive thermal asperity transients in a data channel A peak detector for extracting pulses in a magnetoresistive sensor circuit while suppressing the recovery transients created by thermal asperities. The disclosed peak detector circuit is a simplified variation of the standard magnetoresistive sensor peak ...	09/24/1996
5525922	Automatic gain and level control circuit and method An automatic gain and level control output circuit. The inventive circuit (10) includes a first component (12) for multiplying an input signal by a first reference signal to provide a gain adjusted signal. The input signal is level shifted by a second ref...	06/11/1996
5446405	Amplifier circuit with offset cancel circuit In an amplifier circuit with an offset cancel circuit, on the output side of a non-inversion amplifier circuit, there is connected a sampling circuit including an analog switch composed of two MOS transistors. A source-follower circuit is connected to the...	08/29/1995
5426389	System for DC restoration of serially transmitted binary signals A device for restoring DC and non-zero average components of a serially transmitted binary signal which has been AC coupled. The device comprises an input port for the binary signal, a clamping circuit, a feedback network, a summing node, and an output po...	06/20/1995
5138270	High voltage pulse generator A high voltage pulse generator circuit is connected to a pulse electromagnet and a Blumlein charge circuit comprising a pair of coaxial cables or charge lines connected in parallel and each having an impedance of Z/2 is connected in series to a transmissi...	08/11/1992
5121008	Circuit for generating or demodulating a square wave and other wave forms A circuit for modulating or demodulating an input potential includes a first operational amplifier for receiving the input potential and a second operational amplifier for outputting an output potential. A resistor network is connected to the operational ...	06/09/1992
5097143	Bipolar to unipolar converter with automatic gain control A circuit for translating bipolar signals into unipolar signals, in which the bipolar signals are applied to an amplifier whose gain is automatically controlled to produce bipolar signals of constant amplitude that are applied to two biased comparators fo...	03/17/1992
5043601	Wide-band amplifier useful for squarewave signals An amplifier arrangement comprising a first (T1) and a second (T2) field-effect transistor of the same conductivity type and a driver circuit (Q1, Q2, Q3, T3, T4, T5, I) which is responsive to a signal to be amplified at the input terminals (3, 4) to driv...	08/27/1991
4977334	Crest factor correction circuit A crest factor correction circuit for an ac inverter receives inputs including a full-wave rectified output of the ac inverter having a fixed period and a periodic sequence of phase signals that divide each fixed period into predetermined phase intervals....	12/11/1990
4847517	Microwave tube modulator Provided is a modulator having two amplifying stages for supplying high-voltage pulses to the primary winding of a transformer connected to a microwave transmitter tube. The first stage uses field-effect transistors connected in a common source configurat...	07/11/1989
4831280	High voltage pulse generating apparatus A high voltage modulator is shown to be made up of: (a) a square wave generator adapted to produce signals with adjustable duty cycles at different repetition frequencies; (b) a pair of switching transistor assemblies arranged to connect either a high pos...	05/16/1989
4812686	Pulse amplifier A class B or class C pulsed RF transistor amplifier having a passive LC energy storage network. The capacitors of the network are charged to a safe non-operating voltage substantially higher than the operating voltage. The inductances and capacitances of ...	03/14/1989
4803384	Pulse amplifier suitable for use in the semiconductor laser driving device A semiconductor laser driving device using FET's as a positive element in a bias current supply circuit and a pulse current supply circuit, and having compensating circuits for compensating differences in the characteristics of the FET's and a laser diode...	02/07/1989
4771192	Digital clip and gain circuit A digital clip and gain circuit compares an input waveform with a clip level to produce a difference waveform. The difference waveform is shifted by an exponent representing a power of two portion of a gain value, and is then multiplied by a mantissa repr...	09/13/1988
4748345	Pulse conditioning circuit for controlling electrically controllable valves in a hydraulic control apparatus Pulse conditioning device for electrically controlling valves in hydraulic control apparatus whereby a regulating signal is transmitted to the actuator of the respective electrically controllable valve. A filter is connected to the input side of an isolat...	05/31/1988
4682114	Power modulator provided with a transformer The invention concerns a power modulator provided with a transformer. This transformer having a high transformation ratio receives a low voltage impulse and transforms it into a high voltage impulse directly applicable on a high frequency or hyperfrequenc...	07/21/1987
4647790	Data signal correction circuit In a data correction circuit which can, for example, be used as an output circuit of an echo cancelling circuit for a teletext signal, a correction signal with which a level correction circuit and an amplitude correction circuit are controlled is obtained...	03/03/1987
4596023	Balanced biphase transmitter using reduced amplitude of longer pulses The data communication system includes an encoder to receive nonreturn-to-zero data signals and convert them to biphase signals, a current mode transmitter for transmitting the biphase signals, and a communication link connected to the transmitter. The en...	06/17/1986
4565931	Isolated amplifier circuit for amplifying pulses, in particular for a high voltage output The amplifier circuit comprises a low voltage input stage (1) connected via transformers (3) to a high voltage output stage (5). The transformers comprise a central transformer having one primary winding (30) and two oppositely-wound secondary windings (3...	01/21/1986
4404476	Pulse shaping and amplifying circuit A pulse shaping and amplifying circuit receives direct current electrical power from a source and serves to supply a pulse of electrical energy to a load. First and second switches (e.g., transistor switches) are interconnected such that only one is condu...	09/13/1983
4311924	Pulse amplifier with zero crossing point detection In order to generate a signal having a well-defined feature which exactly coincides with the zero-crossing point of an input signal, for example in order to define the top dead center position of the crankshaft of an engine for the purpose of valve and ig...	01/19/1982
4292592	Pulsed power supply system A square wave clock signal is coupled to a transistor, the output of which is transformer coupled to the base of a driver transistor. The conducting of the driver transistor will cause an increase in the current through the primary of a flyback transforme...	09/29/1981
4242640	Current discharge fast time constant amplifier A fast time constant circuit includes input and output amplifier means coupled together through an R-C network containing a series capacitor and a shunt-connected constant current source in which the level of current flow through the current source is reg...	12/30/1980
4182963	Pulse shaping circuit A pulse shaping circuit comprising a difference amplifier having an input terminal for receiving an input pulse to be shaped and first and second output terminals, an integration circuit connected to the second output terminal, and an AND circuit connecte...	01/08/1980
4149099	Amplifier circuit for obtaining true and complementary output signals from an input signal An amplifier circuit for amplifying an input signal and obtaining true and complementary output signals includes cross-coupled transistors connected to first and second nodes. The first and second nodes are made to be an equal potential by precharging. Th...	04/10/1979
4145872	Electronic watch An electronic battery-powered watch including an oscillator followed by a chain of frequency divider stages, said chain being composed of two parts with an interface circuit between said two parts, said interface circuit multiplying by a predetermined amo...	03/27/1979
4115740	Push-pull pulse amplifier having improved turn-on and turn-off times A pulse amplifier formed of first and second field effect transistors, each exhibiting an inherent input capacitance at its gate electrode, the field effect transistors being connected in push-pull relation whereby their drain or source electrodes are con...	09/19/1978
4009444	Passive radio frequency peak power multiplier Peak power multiplication of a radio frequency source by simultaneous charging of two high-Q resonant microwave cavities by applying the source output through a directional coupler to the cavities and then reversing the phase of the source power to the co...	02/22/1977
4003007	High power pulse compression techniques A method and apparatus for compressing high intensity current pulses and providing an impedance transformation which increases the magnitude of the current of the pulses. A pulse is injected into a transmission line and after the pulse energy is convert...	01/11/1977

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Class 327/179 - Gain