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7612629 |
Biased nonlinear transmission line comb generators
Comb generators include a nonlinear transmission line (NLTL) having one or more NLTL sections. Each NLTL section includes one or more nonlinear elements and transmission line portions that provide...
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7612628 |
Ultrafast sampler with coaxial transition
An ultrafast sampler includes a series of Schottky diodes configured with a coplanar waveguide to form a nonlinear transmission line (NLTL) that compresses a local oscillator input to form a series...
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7583159 |
High power bipolar pulse generators with impedance transformation
A bipolar pulse generator circuit generates bipolar pulses and provides an impedance transformation. The circuit is amenable for implementation in a variety of configurations depending on the size...
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7576624 |
System and method for extending universal bus line length
A system and method for recovering a high frequency component of a slew rate controlled signal propagating along a transmission line enables the high frequency component to be recovered after being...
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7567087 |
Evaluation board and cable assembly evaluation method
An evaluation board having an interconnection line pattern formed thereon is disclosed. The interconnection line pattern has a first end to be connected to a cable assembly and a second end to be...
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7551042 |
Microwave pulse compressor using switched oversized waveguide resonator
A microwave pulse compressor has an elongated, cross-sectionally oversized waveguide resonator for decreasing the attenuation of the resonator, thereby increasing the resonator's Q O The increased...
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7532083 |
Active nonlinear transmission line
An apparatus for propagating a non-dispersive signals includes a transmission line with a voltage dependent propagation constant and distributed gain elements to maintain the non-dispersive signal...
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7518464 |
Method and apparatus for digital synthesis of microwaves through balanced transmission line structures
Conductor segments are positioned within a transmission line structure in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission...
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7510991 |
Noise suppressor for electronic signals
The present invention is directed to a noise suppressor for electronic signals. The noise suppressor at least includes Aluminum Oxide (Al 2 O 3 ) that is sintered under high temperature, resulting...
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7375602 |
Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media
Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the...
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7365615 |
Method and apparatus for digital synthesis of microwaves
Conductor segments are positioned within a two conductor transmission line in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the...
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7348863 |
Simple time domain pulse generator
A pulse generating circuit and related method, for producing extremely narrow pulses for use in monolithic microwave integrated circuits (MMICs) for radar, high-speed sampling, pulse radio and...
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7193486 |
Tunable, maximum power output, frequency harmonic comb generator
A comb frequency generator that is tunable to vary the width of the pulses in the output signal and achieve a maximum power output at different harmonic frequencies. A wavefront compression device...
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7170365 |
Ultrafast sampler with non-parallel shockline
An ultrafast sampling system includes an interposer and a sampler that include series of Schottky diodes configured with a non-parallel waveguide to form shocklines or nonlinear transmission line...
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7135917 |
Left-handed nonlinear transmission line media
A left-handed nonlinear transmission line system has multiple nonlinear capacitors connected in series between input and output terminals and multiple inductances connected in parallel between the...
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7042304 |
Circuit device for realizing a non-linear reactive elements scale network
The invention relates to a circuit device for realizing a non-linear reactive elements scale network, wherein the non-linear elements of the network are pairs of inductive and capacitive components...
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7002428 |
Dielectric loss compensation methods and apparatus
Multilayer circuit boards include compensator networks configured in one or more conductor layers. A signal trace is configured in one or more layers to transmit an electrical signal from an input...
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6995627 |
Transmitter equalization method and apparatus
A current mode output driver includes a pre-driver for pre-equalization. The current mode output driver drives a transmission line with an alternating current (AC) signal and a direct current (DC)...
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6894581 |
Monolithic nonlinear transmission lines and sampling circuits with reduced shock-wave-to-surface-wave coupling
A monolithic non-linear transmission line and sampling circuit with reduced shock-wave-to-surface-wave coupling are presented herein. In coplanar-waveguide (CPW) technology, this reduced coupling...
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6891446 |
Compact broadband balun
A compact broadband balun ( 20 ). The balun ( 20 ) includes a waveguide transition ( 38 ) between one or more input ports ( 34, 54, 56 ) and one or more output ports ( 34, 54, 56 ) of the balun (...
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6867659 |
Method and apparatus for filtering a clock signal
A method and an apparatus are provided for filtering a substantially square wave signal. At least a portion of the substantially square wave signal is applied to a first filter adapted to pass a...
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6859184 |
Polarized wave separating structure, radio wave receiving converter and antenna apparatus
The septum is extended through the opening to the radio wave receiving portion to separate respective polarized waves received by a pair of radio wave receiving portions, and a space between the...
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6847267 |
Methods for transmitting a waveform having a controllable attenuation and propagation velocity
Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the...
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6844791 |
Digital pulse shaper with variable weighting function
A method of providing real time digital pulse shaping includes: receiving a digital pulse input signal ( 31 ); applying the digital pulse input signal to first ( 33, 34, 35 ) and second ( 32, 36,...
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6838786 |
Device and method for generating intense and brief controlled variations of magnetic pressure in a sample of solid material
A device and a method for generating intense and brief variations of magnetic pressure, predetermined and controlled, capable of being isentropic inside a sample ( 23 ) of solid material. An...
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6791433 |
Signal processing by means of resonators
Scheme for processing an input signal A(t) by N resonators ( 17 ), each having parameters characterizing it, to generate N individual output signals. Then each of the N individual output signals is...
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6753741 |
Dynamic time expansion and compression using nonlinear waveguides
Dynamic time expansion or compression of a small-amplitude input signal generated with an initial scale is performed using a nonlinear waveguide. A nonlinear waveguide having a variable refractive...
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6690247 |
Nonlinear transmission line waveform generator having an input voltage matched to the C/V characteristic of the transmission line
A nonlinear transmission-line waveform generator for generating a comb of frequencies and relatively short duration pulses, for example, in the range of picoseconds and tens of picoseconds, that...
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6570463 |
Signal transmission system
A signal transmission system of the present invention has an output impedance Zs of a driving circuit, a characteristic impedance ZsO of the first transmission line, and a characteristic impedance...
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6538525 |
Voltage biased section of non-linear transmission line
The principal reason that commercially available 10 gigabits per second electrical interconnect has not previously been available is that such interconnect structures possess too high a level of...
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6480728 |
Superconductive non-linear transmission lines and method of construction
A non-linear transmission line has high temperature superconductive elements periodically loaded thereon. The elements have non-linear characteristics that provide voltage dependent non-linearity...
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6429674 |
Pulse circuit
A pulse generator generates a pulse that is transmitted to a device under test through a signal path that has a substantially constant impedance along its entire length. A voltage on the signal...
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6359527 |
Determining waveshaper attenuation settings for network interface unit
An improved, more intelligent network interface unit capable of processing signals received from a high speed transmission media and outputting the received signals without substantial...
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6344701 |
Pulse generator for treating exhaust gas
An apparatus and method for treating exhaust gases. In this apparatus, a plurality of stages of reactor chambers (R 1 , R 2 , . . . R n ) are connected in series in the direction of an exhaust gas...
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6320480 |
Wideband low-loss variable delay line and phase shifter
A programmable phase shifter (20, 40, 54, 60, 62) includes a variable delay line formed from a nonlinear transmission line (NLTL) (26, 28, 46, 28), which enables the device to be used in...
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6320475 |
Printed circuit board suppressing ringing in signal waveforms
The present invention relates to a printed circuit board of the present invention comprising: a main transmission line; and additional transmission lines positioned on both sides of the main...
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6169585 |
Circuit arrangement for demodulating an intermediate-frequency video signal
In a circuit arrangement for demodulating an intermediate-frequency video signal generated while using a Nyquist edge, having a phase-locked loop (1) including a phase detector (3), a loop filter...
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6057569 |
Diode limiter device
The present invention provides a diode limiter device in which a first penetration hole is formed on a wall surface of an H surface; the PIN diode is supported by the PIN diode mounting side of the...
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6014409 |
Passive analog filter for network interface
A network interface for receiving both high speed signals and low speed signals includes a passive filter manufactured entirely from passive electronic elements. The filter filters the low speed...
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5900681 |
Electric device for generating high-voltage square pulses
A device for generation of electric square pulses with a short rise time, comprises at least an energy-storing capacitor in the form of a coaxial cable with an insulated screen, wherein essentially...
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5815537 |
Wireless digital communication device, and a pulse shaping network
A wireless digital communication device having a pulse shaping network for pulse shaping digital signals before modulation. The pulse shaping network comprises a shift register to which data to be...
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5804977 |
Transmission line pulser discharge circuit
An RF matching network provides matching between a charged first transmission line and a relay circuit which is switched to connect the charged transmission line to one end of a second transmission...
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5804921 |
Soliton quenching NLTL impulse circuit with a pulse forming network at the output
An impulse forming circuit is disclosed which produces a clean impulse from a nonlinear transmission line compressed step function without customary soliton ringing by means of a localized pulse...
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5798579 |
High voltage pulse generator
A high voltage generator including a Marx Generator (1) provides an output of up to 200 kV at a pulse repetition rate of up to 1 kHz. Discharge is triggered by over-volting a first stage (2a) of...
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5796314 |
Active high-power RF switch and pulse compression system
A high-power RF switching device employs a semiconductor wafer positioned in the third port of a three-port RF device. A controllable source of directed energy, such as a suitable laser or electron...
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5789994 |
Differential nonlinear transmission line circuit
A differential nonlinear transmission line (NLTL) circuit has anti-parallel diode pairs along a balanced transmission line to generate well defined high-speed pulses with sharp positive and...
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5684341 |
Electromagnetic generator for fast current and magnetic field pulses, for example, for use in magnetic metal working
An electromagnetic generator for working electrically conducting objects with current and magnetic field pulses having a high rate of rise as expressed by dI/dt and dB/dt includes primary windings...
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5675275 |
Arrangement for the generation of a high-frequency needle pulse train and of an inverted needle pulse train
In order to sample high-frequency signals, it is necessary to have a needle pulse train and a needle pulse train which is inverted with respect thereto. By means of a switch (T) which is controlled...
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5656873 |
Transmission line charging
A device for charging PFLs (Pulse Forming Lines) on a time scale of a few nanoseconds. The device includes a source transmission line (STL) connected through a switch to a pulse forming...
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5650670 |
Induction charge microwave pulse generator having a split ground plane
Complex and multi-cycle microwave pulse waveforms are generated by the transient discharge of an induction charged transmission line using only one fast switch. An essential feature of the...
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