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3849745 |
METHOD AND SYSTEM FOR VARYING THE CHARACTERISTICS OF A DISPERSIVE DELAY LINE
A method and system are disclosed for selectively varying the phase dispersion characteristic of a dispersive meander line as well as a method and system for employing the variable dispersion...
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3848198 |
MICROWAVE TRANSMISSION LINE AND DEVICES USING MULTIPLE COPLANAR CONDUCTORS
Three coplanar conductive surfaces on the top surface of a dielectric substrate form a microwave transmission line having first and second transmission modes used in the construction and operation...
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3848196 |
BROADBAND TRAPATT DIODE AMPLIFIER
A transmission line circuit provides broadband trapatt diode amplification. The circuit includes a plurality of constituent length pair combinations of substantially quarter-wavelength shorted and...
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3846721 |
TRANSMISSION LINE BALUN
A flexible printed transmission line balun is disclosed to replace the coaxial cable and relatively expensive hand wound balun coil currently used in T.V. receivers. The present transmission line...
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3845490 |
STRIPLINE SLOTTED BALUN DIPOLE ANTENNA
A stripline slotted balun dipole antenna, suitable for use as a single antenna or as an array antenna element, is fabricated from two metal-clad dielectric sheets, from which metal has been removed...
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3842360 |
PARAMETRIC AMPLIFIER
A balanced parametric amplifier, fabricated on a single dielectric substrate, having a pair of Schottky varactor diodes located at the junction of a co-planar transmission line impedance inverter...
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3842359 |
BALANCED PARAMETRIC AMPLIFIER
A balanced parametric amplifier fabricated on a dielectric substrate located in a section of rectangular waveguide including a waveguide to stripline transition and having a pair of Schottky...
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3842373 |
RADIATION CAMERA AND DELAY LINE READOUT
A proportional chamber having a plurality of output conductors carrying signals indicative of the location of an event detected within the chamber and using delay lines capacitatively coupled to...
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3840828 |
TEMPERATURE-STABLE DIELECTRIC RESONATOR FILTERS FOR STRIPLINE
There is disclosed a band-reject dielectric resonator filter for stripline, the resonators being disposed over the principal conductor and separated therefrom by a dielectric spacer and offset from...
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3838361 |
STRIP-LINE CIRCULATOR FOR THE FREQUENCY RANGE FROM 10 TO 1,000 MHz
The strip-line circulator comprises three coplanar conductors bent about 120° and symmetrically arranged in a spaced relationship from one another about a common central area on a gyromagnetic...
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3838363 |
PLANAR PHASE SHIFTER FOR USE IN THE MICROWAVE RANGE
A planar phase shifter for use in the microwave range which comprises a meander-like microstrip conductor which is provided on a non-magnetic ferrite substrate, and a gyromagnetic body being...
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3838443 |
MICROWAVE POWER TRANSISTOR CHIP CARRIER
A low-cost mounting assembly for a microwave power transistor chip used in hybrid circuits, which minimizes package parasitics while allowing adequate heat transfer from the transistor chip to a...
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3836874 |
LUMPED ELEMENT CIRCULATOR
In a lumped element circulator wherein three line conductors are arranged on the surface of a ferrimagnetic substrate with cross angles of 120° with respect to one another and in a manner to be...
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3835420 |
ISOLATOR
An isolator has a dielectric substrate such as a composite substrate or a single ferrimagnetic substrate; a magnetic material inserted in a hole of the dielectric substrate in the thickness...
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3833866 |
MICROWAVE SWITCHING MATRIX
An m × n microwave switching matrix is disclosed including orthogonally related microwave transmission lines which may be interconnected by an appropriate number of microwave type switching...
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3832716 |
RADIO FREQUENCY SLOT ANTENNA
A stripline slotted array antenna is disclosed wherein the radiating efficiency and bandwidth are improved by including in each radiating element a pair of adjacent radiating slots. The antenna...
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3828229 |
LEADLESS SEMICONDUCTOR DEVICE FOR HIGH POWER USE
A leadless semiconductor device includes an electrically conductive substrate to which a semiconductor element is fixed. The substrate is insulated from a pair of conductive wall members by means...
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3825805 |
TRANSISTOR CARRIER FOR MICROWAVE STRIPLINE CIRCUIT
A transistor carrier adapted to be mounted in a microwave transmission line including a metal substrate which is adapted to be connected to the ground plane of the transmission line and a pair of...
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3823380 |
MICROWAVE DOWN CONVERTER EMPLOYING HALF WAVE OPEN CIRCUIT RESONATORS WITH OUTPUT TAKEN AT VOLTAGE NULL OF INPUT SIGNAL
A pair of half wavelength open ended stripline resonators, resonant at a microwave input frequency and a microwave local oscillator frequency respectively, are excited with microwave input energy...
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3820041 |
RESONANCE CONTROL IN INTERDIGITAL CAPACITORS USEFUL AS DC BREAKS IN DIODE OSCILLATOR CIRCUITS
A modified stripline interdigital capacitor has slots coupled into the capacitor gap. These slots provide reactive loading to the slot transmission line formed by the gap. They are positioned and...
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3820044 |
CASCADE 50 OHM ATTENUATOR SYSTEM HAVING REMOVABLY MOUNTED ATTENUATOR DEVICES
In systems associated with high-frequency 50 ohm attenuators, means and methods are provided using hybird chips having circuitry thereon for electrical engagement on etched circuit boards thereby...
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3818385 |
HYBRID JUNCTION AND MIXER OR MODULATOR
A double balanced mixer or modulator utilizing a hybrid junction in which the junction port of the isolated arm is equally excited by two arms connected in parallel to the excited input port. The...
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3818386 |
SOLID-STATE MODULAR MICROWAVE SYSTEM
A solid-state, modular microwave transmitter-receiver assembly made up of a large number of transmit-receive modules each having an antenna. Each of the modules has functional electronic blocks...
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3818389 |
DUAL INTERDIGITAL FILTER FOR MICROWAVE MIXER
Two interdigital filters are combined in a single structure. The structure consists of a series of adjacent interdigited elements; each filter including one or more appropriately tuned high Q...
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3818384 |
PLANAR FERRITE PHASE SHIFTER FOR MICROWAVES OF INCREASED BANDWIDTH
A meander-like microstrip in a planar phase shifter is made of two parallel successions of straight strip sections. Each straight section has a length which is greater than the spacing between two...
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3815055 |
MICROWAVE POWER DIVIDER
A stripline power divider is disclosed wherein three center conductors are joined at a common junction and the ground planes have slots formed therein adjacent to the common junction. Reflections...
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3810048 |
RESISTIVE POWER LOAD
A resistive power load for a microwave line of microstrip type. This load is constituted by a dielectric arranged between a conductor strip made of a metal having good conductivity, and an earthing...
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3806945 |
STRIPLINE ANTENNA
A stripline slot radiator for use as a flush-mounted element of a multi-ftion, multi-frequency, array antenna structure. A radiating slot is etched on opposite sides of both ground planes of...
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3792384 |
CONTROLLED LOSS CAPACITOR
A variable loss transmission line including conductive strips of polycrystalline silicon deposited on a substrate. The polycrystalline silicon is selectively doped with an impurity to vary the...
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3790908 |
HIGH POWER DIODE PHASE SHIFTER
A voltage-controlled phase shifter of the loaded-line type is disclosed employing arrays of diode switches coupled to probes in quarter wavelength spaced planes of a rectangular waveguide by...
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3789324 |
LUMPED CONSTANT CIRCULATOR
A lumped constant circulator comprising a conductor case; a central assembly consisting of a conductor assembly including at least three insulated conductor strips intersecting each other...
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3786374 |
VARIABLE RESISTIVE FILM ATTENUATOR
A continuously variable resistive film attenuator (often called "card attenuator" is provided, having distributed shunt and series film portions for use from D.C. above 8 GHz. It has a low minimum...
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3784883 |
TRANSISTOR PACKAGE
In a transistor packaging having an input, an output and a common lead, the common lead includes a pair of terminal strip portions disposed on opposite sides of the transistor die. An array of...
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3784933 |
BROADBAND BALUN
A balun comprised as electrical leads forming a slot line and having a tapered configuration to provide a matching impedance to an asymmetrical conducting system such as coaxial cable, strip-line,...
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3778735 |
TRANSMISSION LINE OF LOW CHARACTERISTIC IMPEDANCE
A transmission line for electrical signals of very low characteristic impedance, produced from a strip of chemically reduced ceramic in order to create a low-resistivity medium, then re-oxidized at...
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3774123 |
BROAD BAND MICROSTRIP N-POLE M-THROW PIN DIODE SWITCH HAVING PREDETERMINED SPACING BETWEEN POLE AND THROW CONDUCTORS
The bandwidth characteristic of a microstrip N-pole M-throw switch is improved by providing the spacing, which is between a printed pole conductor and a printed throw conductor thereof and across...
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3772599 |
MICROWAVE DOUBLE BALANCED MIXER
A slot transmission line and a microstrip transmission line provide the design of a double balanced mixer operable at microwave frequencies.
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3771070 |
STRIPLINE-TO-TWO-CONDUCTOR BALUN
A stripline-to-two conductor balun having a bifurcated stripline input that is disposed between and insulated from two parallel ground plane members. One output conductor is connected directly to a...
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3771161 |
PRINTED-CIRCUIT FEED FOR REFLECTOR ANTENNAS
A printed-circuit feed employs a pair of slot radiators disposed on opposite sides of an axial point at which the feed is coupled to an axially extending coaxial line. The slots are formed in a...
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3769617 |
TRANSMISSION LINE USING A PAIR OF STAGGERED BROAD METAL STRIPS
A transmission line is formed by a pair of parallel, staggered, broad metal strips. In one embodiment, the broad metal strips are on opposite surfaces of a dielectric substrate with at most a...
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3769614 |
GROUND PLANE PATTERN FOR DELAY LINES AND METHOD OF ASSEMBLY
A novel ground plane structure for a delay line in which a thin insulating carrier such as mylar has the ground plane printed thereon. The carrier is then placed on an insulating tube with the...
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3769616 |
SOLID STATE RADIOFREQUENCY CIRCUITS
The disclosure shows a planar equivalent of a helical resonator made in the form of a micro-strip line coiled into a helix on one side of a dielectric board having on the other side a ground plane...
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3769618 |
THIN FILM LOW TEMPERATURE CONDUCTORS AND TRANSMISSION LINES
A conductor or transmission line composed of at least one thin conductive member for operation in the anomalous skin effect region, i.e., low temperature and high frequency in which the thickness...
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3769619 |
STRIPLINE ASSEMBLY FOR USE IN MICROWAVE CIRCUITS AND METHOD OF FABRICATING SAME
A stripline assembly suitable for use as a delay line in a microwave amplifier tube or the like is formed by bonding a dielectric isolator at one face thereof to a conductive stripline of a highly...
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3768047 |
LATTICE NETWORK USING DISTRIBUTED IMPEDANCE TRANSMISSION LINES
A lattice network operable at microwave frequencies is described. Each of the two series arm impedances is formed by a staggered parallel transmission line stub. The cross arm impedances are formed...
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3768048 |
SUPER LIGHTWEIGHT MICROWAVE CIRCUITS
An extremely lightweight microwave circuit comprising stripline printed circuitry which is highly efficient, inexpensive, and suitable for use in electronics systems for space and military...
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3764727 |
ELECTRICALLY CONDUCTIVE FLAT CABLE STRUCTURES
A flat cable structure includes a number of pairs of longitudinally extending conductors in a substantially flat array. The conductors of each pair are spaced laterally from one another except at...
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3764938 |
RESONANCE SUPPRESSION IN INTERDIGITAL CAPACITORS USEFUL AS DC BIAS BREAKS IN DIODE OSCILLATOR CIRCUITS
A modified stripline interdigital capacitor has slots coupled into the capacitor gap. These slots provide reactive loading to the slot transmission line formed by the gap. They are positioned and...
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3761936 |
MULTI-BEAM ARRAY ANTENNA
A multi-beam array antenna assembly is disclosed, such assembly being adapted to form a plurality of simultaneously existing beams of radio frequency energy, each one of such beams having the gain...
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3760304 |
SLOT LINE
This invention relates to a low loss transmission line having a slotted ml deposited or etched on a high permittivity substrate. With various sizes, shapes and configurations of slots, the...
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