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3659233 |
MICROSTRIP RF VARIABLE ATTENUATOR
A microwave RF variable attenuator with a microstrip arcuate attenuator section in a transmission line conductor of the microstrip bonded to a relatively low dielectric constant material...
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3656179 |
MICROWAVE STRIPLINE PHASE ADJUSTER
This specification describes a microwave stripline phase adjuster wherein the phase of an applied signal is changed by continuous substitution of one dielectric material for another along a length...
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3654573 |
MICROWAVE TRANSMISSION LINE TERMINATION
A power dissipating termination for microwave transmission lines is disclosed. Nontapered, high-loss dielectric material replaces the relatively lossless dielectric material immediately preceding...
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3654572 |
WAVEGUIDE STRUCTURE
A waveguide structure is described wherein a section of waveguide is effectively shorted at one end thereof by a pair of conductive plates. Each of the plates is adjacent to a narrow wall of the...
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3652941 |
DOUBLE BALANCED MICROWAVE MIXER USING BALANCED MICROSTRIP BALUNS
A microwave mixer using a double balanced diode bridge arrangement, provided with a signal input, a local oscillator input and an output. Microstrip baluns, having their ground plane metallic strip...
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3651432 |
IMPEDANCE MATCHED PRINTED CIRCUIT CONNECTORS
A unique means is disclosed for interconnecting and impedance matching microstrip circuits mounted on printed circuit boards using conventional printed circuit connectors. For coupling and matching...
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3649937 |
ELECTRONICALLY TUNED ULTRA HIGH FREQUENCY TELEVISION TUNER
An ultra high frequency (UHF) tuner includes tunable transmission lines having two conductive sections disposed on one face of a dielectric plate opposite a conductive ground plane disposed on the...
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3648114 |
STRUCTURAL ASSEMBLY FOR A THREE-PLATE CIRCUIT OR THE LIKE WHICH INCLUDES AT LEAST ONE DIODE OR OTHER ELECTRONIC COMPONENT
A structure for a three-plate circuit which includes a diode which must be connected to ground by a capacitor, the latter being formed of two capacities each constituted by the metallization of a...
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3644850 |
INTEGRATED CIRCUIT BAND PASS FILTER
A semiconductor band pass filter is disclosed. The filter is an integrated circuit device having a semiconductor layer with a ground plane on one face and an insulating layer and an overlying...
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3643182 |
COMPACT DISTRIBUTED-PARAMETER NETWORK
A compact distributed-parameter network for transmission of applied electrical signals with a predetermined characteristic impedance, comprising a substrate of dielectric material having at least...
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3643201 |
IMPEDANCE MATCHING MICROSTRIP CONNECTOR
Disclosed is a connector for making matched impedance connections, for example, as between two microstrip circuit boards. One-half of the connector has pins located therein with one end of each pin...
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3639857 |
PLANAR-TYPE RESONATOR CIRCUIT
A planar-type resonator circuit comprising a conductive plate and a resonating conductive plate provided on said conductive plate in face-to-face fashion with a dielectric layer disposed...
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3636479 |
MICROWAVE STRIP TRANSMISSION LINE CIRCULATOR
A microwave strip transmission line circulator is disclosed comprising at least one body of ferrite material, a ground plane member overlaying one surface of the ferrite body, and a conductive disk...
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3634785 |
ELECTRICAL DELAY DEVICE OF UNITARY CONFIGURATION
Disclosed herein is a delay device of unitary configuration in which a ground-side capacitor electrode is sandwiched between at least one surface of a magnetic core and one surface of a dielectric...
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3634789 |
GEOMETRICALLY DEPENDENT DISTRIBUTED-SECTION TRANSMISSION LINE ATTENUATOR
The attenuators include distributed series and distributed shunt resistance sections which attenuate signals propagating in one direction with minimal distortion and reflection, and attenuate...
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3629738 |
MICROSTRIP DELAY LINE
An effective ground plane pattern adjusted for minimum phase distortion is provided for a microstrip delay line by varying the distances between shorting bars which interconnect conductive strips...
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3624554 |
ULTRAHIGH FREQUENCY OSCILLATOR UTILIZING TRANSMISSION LINE TUNABLE RESONANT CIRCUITS
An ultrahigh frequency oscillator utilizes tunable transmission lines as a frequency determining network. The circuit includes a dielectric plate having a conductive section disposed on a first...
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3624550 |
MICROWAVE OSCILLATOR CIRCUIT FOR A BULK-EFFECT NEGATIVE-RESISTANCE DEVICE
A microwave oscillator circuit for a high-power high-efficiency negative-resistance bulk-effect device is disclosed. The circuit includes a half-wavelength open-circuited length of stripline...
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3623112 |
COMBINED DIPOLE AND WAVEGUIDE RADIATOR FOR PHASED ANTENNA ARRAY
An antenna includes a waveguide slot aperture radiator and a dipole radiator centrally located therein and located longitudedly with respect to the waveguide a quarter wavelength from the aperture....
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3621367 |
FREQUENCY MULTIPLIER EMPLOYING INPUT AND OUTPUT STRIP TRANSMISSION LINES WITHOUT SPATIALLY COUPLING THEREBETWEEN
A frequency multiplier which features a varactor diode, two coupled transmission lines for input impedance transformation and two coupled transmission lines for output impedance transformation. An...
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3621478 |
SUSPENDED SUBSTRATE TRANSMISSION LINES HAVING COUPLED CENTER CONDUCTORS
A structure is disclosed having parallel center conductors on a substrate suspended in an offset manner between a pair of ground plane conductors. Offsetting the substrate in the manner taught...
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3617945 |
STRIP LINE CIRCULATOR WHEREIN THE BRANCH ARMS HAVE PORTIONS EXTENDING IN A NONRADIAL DIRECTION
Branch lines radially extend from a circular junction of an intermediate conductor on a ferri-magnetic disc and include one portion running circumferentially of the disc. This causes an increase in...
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3617877 |
COAXIAL LINE MEASUREMENT DEVICE HAVING METAL STRIP FILTER
A coaxial line measurement device having a step function generator connected to the input of a coaxial line to be tested. The output of the coaxial line is connected to a sinusoid impedance anomoly...
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3612744 |
FLEXIBLE FLAT CONDUCTOR CABLE OF VARIABLE ELECTRICAL CHARACTERISTICS
A flexible multiple flat conductor electric cable fabricatable in long lengths with variable and uniform characteristic impedance. The cable comprises a conductive layer, at least one flat...
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3611233 |
PULSE TRANSFORMER USING STRIPLINE WINDINGS
A pulse transformer uses a stripline to form the windings. In order to achieve symmetry and minimize reflections, the stripline is twisted at predetermined points in the winding so that the...
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3611389 |
VOR ANTENNA
A VOR antenna construction using printed circuit techniques for the radiators as well as for the balun transformers. The rotating cardioid pattern is generated by the combination of a turnstile and...
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3609613 |
LOW LOSS TRANSMISSION-LINE TRANSFORMER
This disclosure relates to transmission-line transformers and particularly o transmission-line transformers formed of parallel-pair conductors. More particularly, this disclosure relates to...
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3605040 |
Y-JUNCTION CIRCULATOR WITH COMMON ARM CAPACITOR
A Y-junction strip line circulator of the lumped constant type in which a single, common capacitor tunes symmetrically with the inductance of all three circulator arms. The capacitor may be fixed...
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3603896 |
MICROWAVE PRINTED CIRCUIT NEGATIVE RESISTANCE OSCILLATOR
An oscillator is disclosed in which the high frequency, as well as a portion of the direct current circuitry, is printed on both sides of a thin sheet of dielectric, the printed circuit being...
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3602845 |
SLOT LINE NONRECIPROCAL PHASE SHIFTER
A nonreciprocal microwave energy phase shifter utilizing a slot line for propagating microwave energy and a ferrite member which is magnetically biased to produce a magnetic field therein which is...
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3597706 |
STRIP LINE SWITCH
A switch for high frequency use is an integrated strip line structure wherein diodes are in shunt between the source and load and can be selectively biased to produce switching with a minimum of...
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3596130 |
STRIP TRANSMISSION LINE OSCILLATOR
An improved strip transmission line oscillator, having an adjustable plate transmission line to match the characteristics of the particular tube used in the oscillator to achieve optimum output of...
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3596138 |
INTERBOARD FEED-THRU FOR JOINING PRINTED AND INTEGRATED CIRCUITS
A feed-thru device making it possible to stack integrated circuits and/or printed circuit boards in closely spaced parallel fashion and providing means for joining components and/or terminals from...
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3594812 |
STRIP LINE FERRITE PHASE SHIFTER
Described is a small, lightweight ferrite phase shifter, constructed in a strip line wave energy transmission assemblage, which is small enough to fit into a steerable antenna array while at the...
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3594665 |
DELAY LINES WITH ADDED SHUNT CONDUCTANCE
A delay line in which resistors or resistive films are connected between conducting strips so to shunt-load the line that L/R is substantially equal to C/G, where for a predetermined unit length of...
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3594664 |
SLOT-LINE CIRCULATOR
A slot-line circulator having a ferrite disc either coated on or embedded d integral with a dielectric substrate on one surface of which there is provided a narrow gap in a conductive coating to...
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3587110 |
CORPORATE-NETWORK PRINTED ANTENNA SYSTEM
A corporate-network printed antenna system is described wherein the feed lines are located in coplanar relationship with and in the field of the antenna.
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3586757 |
FLEXIBLE STRIPLINE TRANSMISSION LINE
A stripline transmission line is constructed so that the individual conducting and insulating portions of the stripline are free to move relative to each other. This form of construction permits...
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3585533 |
MICROWAVE MICROCIRCUIT ELEMENT WITH RESISTIVE HIGH FREQUENCY ENERGY ABSORBER
A high frequency or microwave microcircuit device is disclosed having application as an integrated circuit element for precise attenuation of high frequency or microwave energy or for the accurate...
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3585455 |
CIRCUIT ASSEMBLIES
In a circuit assembly having matched signal transmission lines, and which may include semiconductor devices, one face of a substrate member has signal conductors cooperating with a common...
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3582842 |
RESISTIVE FILM CARD ATTENUATOR FOR MICROWAVE FREQUENCIES
A microstrip attenuator includes a ground plane and a signal conductor supported on a dielectric material above the ground plane. The signal conductor is interrupted for a portion of its length. A...
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3582833 |
STRIPLINE THIN-FILM RESISTIVE TERMINATION WHEREIN CAPACITIVE REACTANCE CANCELS OUT UNDESIRED SERIES INDUCTANCE OF RESISTIVE FILM
A thin-film resistive termination is presented for impedance matching microwave strip lines over a broad frequency band with a leaf spring connecting the resistor to the upper ground plane of the...
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3576579 |
PLANAR RADIAL ARRAY WITH CONTROLLABLE QUASI-OPTICAL LENS
Antenna feed apparatus for use in electronically scanned phased-array antenna systems. In a transmit mode of operation, input power to be fed to an array of m antenna elements is applied to a...
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3573670 |
HIGH-SPEED IMPEDANCE-COMPENSATED CIRCUITS
Impedance-compensated circuits for high frequency microstrip signal transmission systems comprising a dielectric board of suitable thickness depending upon the dielectric constant of the material...
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3573666 |
FREQUENCY ADJUSTABLE MICROWAVE STRIPLINE CIRCULATOR
A microwave stripline circulator is disclosed which is adjustable for operation over a wide range of frequencies. This is accomplished by a combination of an incremental coarse tuning means and a...
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3573665 |
THIN FILM Y-JUNCTION CIRCULATOR
A Y-junction strip line circulator adapted to thin film construction techniques. It has been discovered that if the 12 crossings in a Y-junction circulator of the type having two split inner...
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3571746 |
PULSED LASER APPARATUS
This improved pulsed gas laser apparatus is preferably employed together with a gas laser cell adapted to be excited to a lasing level by the conduction of pulsed electrical current through the gas...
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3569973 |
CONSTRAINED LENS TYPE ANTENNA
A constrained lens-type antenna including a lens having a controlled aperture phase distribution and utilizing stripline circuitry. The lens is formed of a plurality of mutually parallel stripline...
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3568000 |
MULTILAYER PRINTED CIRCUIT
Multilayer printed circuit for signals whose rise time is less than one nanosecond. The conductive layers are stacked in the following order starting at any of the outer faces: connecting layer,...
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3568096 |
APPARATUS FOR AUTOMATICALLY SWITCHING HIGH FREQUENCY SIGNALS
A device for establishing a high frequency signal conducting path between two groups of transmission lines is disclosed which contains cable switches and a strip line assembly. Both the cable...
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