US3201721A - Coaxial line to strip line connector - Google Patents
Coaxial line to strip line connectorDownload PDFInfo
- Publication number
- US3201721A US3201721AUS334175AUS33417563AUS3201721AUS 3201721 AUS3201721 AUS 3201721AUS 334175 AUS334175 AUS 334175AUS 33417563 AUS33417563 AUS 33417563AUS 3201721 AUS3201721 AUS 3201721A
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- Prior art keywords
- line
- cavity
- connector
- coaxial
- strip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/085—Coaxial-line/strip-line transitions
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
Definitions
- This inventionrelates to a coaxial line to strip line connector, and more particularly to a coaxial line to strip line connector having facilities for compensating for impedance mismatch and phase shift.
- coaxial linecoaxial transmission line
- strip linestrip transmission line
- the connector of this inventionhas adjustable facilities for compensating for impedance mismatch and phase shift. These adjustable facilities permit interchangeability of connectors and lines, compensation for impedance mismatch and phase shift without disconnecting the lines, and subsequent adjustments, if necessary, without complicated machining procedures.
- An object of this inventionis to provide a new and improved coaxial line to strip line connector.
- Another objectis to provide a coaxial line to strip line connector having facilities for compensating for impedance mismatch and phase shift.
- a coaxial line to strip line connectorillustrating certain features of the invention includes a body portion having a cavity contained therein and facilities for connecting a coaxial line and a strip line thereto. Facilities are provided for tuning the cavity to correct for impedance mismatch and for adjusting the cavity to correct for phase shift.
- FIG. 1is a perspective View, incorporating certain principles of the invention, of a coaxial line to strip line connector having an upper body for receiving a coaxial line and a lower body for receiving a strip line;
- FIG. 2is a cross sectional View of the coaxial line to strip line connector taken along line 2-4.. of FIG. 1.
- Coaxial line 11is representative of a wide variety of coaxial transmission lines and includes a center conductor 13 concentrically arranged within and electrically insulated relative to an outer conductor 14.
- Strip line 12is representative of a Wide variety of strip transmission lines and includes a fiat, center conductor 17 placed between a pair of dielectric sheets 1% which are secured to a pair of flat, outer conductors 19.
- Standard strip line 12is modified in that a block or Wedge 2.1 is removable from the top of strip line 12 and is aligned with center conductor 17.
- the connectorincludes a lower body assembly 24 and an upper body assembly 26.
- Upper body assembly 26comprises an outer sleeve 27 which is counterborcd at 28 to receive a collar 29 from which extends a threaded projection 39.
- the collar 29is force fitted, staked, or otherwise secured Within the counterbored sleeve 27.
- the inner surface of the collar 29is machined to form a wedging cone 31 into which is nested a split ferrule 32 having a conical outer surface.
- the sleeve 27is provided with internal threads to receive an externally threaded inner sleeve 33 having an opening 34 and having one end formed in the shape of a bolt head 35.
- An upper chuck 41is mounted in a block 42 of electrical insulation secure-d within upper body assembly 26.
- Upper chuck llhas a beveled end 43 which communicates with the interior of upper body assembly 26 and a pin 4-4 which extends beyond projection 3t).
- a lock nut lbthreadably engages and is adjustable in position along projection Ell.
- Projection 3i! oi upper body assembly 26is threaded into an internally threaded sleeve 47 forming a part of the lower body assembly 2 to define a tuning cavity 49. Tuning screws all extend through the walls of sleeve 47 and are adjustable in position within cavity 49.
- a lower chuck $2.is mounted in a block 53 of electrical insulation secured within the sleeve 47 of the lower body assembly
- Lower chuck 52has an opening which receives pin id of upper chuck 41 and a flat tab '54 extending out of lower body assembly 24.
- Clamping screws 64are threadable through holes in legs as and or which extend from the sleeve 4'? of the lower body assembly 2 (FIGS. 1 and 2). Clamping screws as are aligned with holes in the end of strip line 12.
- a locking screw 68(FIGS. 1 and 2) is threadable through leg 56 and is aligned with tab 54
- the connectoris made of electrically conductive material except for the insulation blocks 42 and S3 to define a first conductive path through upper body assembly 26 and lower body assembly 24, and a second conductive path through upper chuck ill.
- coaxial line 11is inserted through opening 34 in sleeve 33 such that center conductor 13 is pressed into beveled end 43 of upper chuck 41 and outer conductor 14 is pressed into split ferrule 32
- Sleeve 33is threaded into the outer sleeve 27 to compress ferrule 32 about outer conductor 14 and lock the coaxial line with the upper body.
- Strip line 12is inserted into the U-shaped bracket defined by legs 66 and 6'7 such that tab 54 slidably engages center conductor 17.
- Clamping screws 64are inserted through the holes in leg 66 and strip line 12, and are then threaded into the holes in leg 67 to clamp the strip line to the lower body.
- Locking screw 68is threaded downward to press block 21 against tab 54, thereby clamping the tab to center conductor 17. Clamping of tab 54 to center conductor 17 is adequate for high fre quency applications; however, a solder connection may be used for low frequency applications.
- Tuning screws 61are adjustably positioned within cavity 49 to vary the capacitance of the cavity. Such varying of the capacitance of the cavity is commonly referred as tun ing. Since impedance is a function of capacitance, the impedance mismatch of the coaxial line and strip line is compensated by adjustment of the tuning screws.
- tuning screws 61are shown opposite each other in the figures, it is to be understood that the tuning screws may be placed at positions other than 3 opposite and more than two may be employed. The number and positions of tuning screws 61 employed is dependent on the frequency of the transmitted signal, the strip line circuitry (represented by center conductor 22), and the amount of capacitance needed to be compensated.
- the position of projection 30 of upper body assembly 26is adjusted within lower body 24 to alter the axial length of cavity 49. Since the phase shift experienced by the signal is alsoa function of the physical length of the conducting path, this alteration of the length of cavity 49 effectively changes the length of the conducting path and thereby compensates for the phase shift introduced by the impedance matching. It follows that the alteration of the length of cavity 49 also compensates for phase shift in a signal introduced by the coaxial line and strip line themselves. Lock nut 46 is adjusted to lock lower body a'ssernbly 24 and upper body assembly '26 in position.
- the connectorcan be modified to connect a coaxial line and a strip line at other angles, for example 90. This can be accomplished by modifying the external U-shaped bracket for clamping the strip line the connector.
- a coaxial line to strip line connectorcomprising a body including a conductive path between the lines and defining a cavity which comprises a portion of the path,
- Imeans for adjusting the cavity to compensate for the phase shift in a signal being transmitted along the lines.
- a coaxial line to strip line connectorcomprising a body having facilities for securing the coaxial and strip lines thereto and providing a conductive path between the lines, the body defining a cavity which comprises a portion of the conductive path,
- ffii-st adjustable meansprojecting into the cavity for tuning the cavity to compensate for impedance mismatch of the lines
- Acoaxia'l line to strip line connectorcomprising a body having facilities for securing the coaxial and strip lines to provide a conductive path between the lines,
- tuning elementsadjustably positionable within the cavity for matching the impedance of the lines
- a "coaxial line to a strip line connectorcomprising a hollow lower body open on one end and having elements for securing a strip line thereto,
- an upper bodyhaving facilities for securing a'coaxial line thereto and connected to close the open end of the lower body to define a cavity, the lower and upper bodies providing a'conductive path between the lines,
- tuning elementsprojecting through the walls of the lower body into the cavity and adjustable in position for varying the capacitance of the cavity to match the impedance 'of the lines, and 5 means for adjusting the relative position of the upper and lower bodies to alter the length of the cavity to compensate for any phase shift in a signal being transmitted over the lines.
- a connector for connecting a coaxial transmission line having-a center conducto r'concentrically positioned within an outer conductor to a strip transmission line having a fiat, center'conductor sandwiched between 'a pair of flat outer conductorscomprising a clamping section for clampingly engaging the outer conductors of the strip line, 7 a lower body terminating at.[the clamping section and defining an open-ended internal cavity, an'upper body having facilities for securing the outer conductor of the coaxialline thereto and connected to the lower body for closing and adjusting the axial length of the cavity, 1 v means extending axially through the cavity and the upper and lower bodies for connecting the center conductor of the coaxial line to the center conductor of the strip line, tuning elements extending through the Walls of the lower body into the cavity and adjustable in position for matching the impedance of the coaxial line to that of the strip line, and
- a connector for connecting a coaxial transmission line having a center conductor concentrically positioned within an outer conductor to a strip transmission line having a hat center conductor sandwiched between a 7 pair of flat outer conductors,comprising a lower body having an open-ended cavity on one end, 7
- a chuckextending axially through the cavity and the 7 upper and lower bodies for connecting the center conductor of the coaxial line to the center'conductor of the strip line,
- tuning elementsextending through the walls of the lower body into the cavity and adjustable within the cavity for varying the capacitance of the cavity to.
- a locking elementfor securing the upper'body within the lower body after adjustment of the axial of the length of the cavity to compensate for the phase shift introduced into a signal being transmitted along 7 the over-all line.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Aug. 17, 1965 R. w. VOELCKER GOAXIAL LINE T0 STRIP LINE CONNECTOR Filed Dec. 30, 1963 INVEN TOR firyaezcze ATTORNEY United States Patent 0 i 3,2tllJ72i C51 rial, LEFT Til STPtllP MINE (JGNNECTQR iph W. Voelclaer, Greensboro, NC, assignor to "Western Electric Company, Incorporated, New York,
N311, a corporation of New Zora Dec. 31?, 1%3, der. No. 334,175 6 Claims. (Cl. SSS-$3} This invention relates to a coaxial line to strip line connector, and more particularly to a coaxial line to strip line connector having facilities for compensating for impedance mismatch and phase shift.
In certain applications, it is necessary to connect a coaxial transmission line (hereafter referred to as coaxial line) to a strip transmission line {hereafter referred to as strip line"). Usually as a result of such a connection, an impedance mismatch of the lines occurs and a phase shift is introduced into a signal being transmitted along the over-all line made up of the coaxial and strip lines. Sometimes impedance mismatch and phase shift are tolerable; however, in certain instances, it is critical that impedance mismatch and phase shift be corrected.
The usual procedure in the prior art for correcting this impedance mismatch and phase shift is to disconnect the lines from a connector and to machine the connector by trial and error; thereby altering the physical dimensions of the connector to adjust for impedance mismatch and phase shift. it is manifest that such a complicated procedure produces a connector tailored to operate only with a particular coaxial line and strip line.-
I The connector of this invention has adjustable facilities for compensating for impedance mismatch and phase shift. These adjustable facilities permit interchangeability of connectors and lines, compensation for impedance mismatch and phase shift without disconnecting the lines, and subsequent adjustments, if necessary, without complicated machining procedures.
An object of this invention is to provide a new and improved coaxial line to strip line connector.
Another object is to provide a coaxial line to strip line connector having facilities for compensating for impedance mismatch and phase shift.
With these and other objects in view, a coaxial line to strip line connector illustrating certain features of the invention includes a body portion having a cavity contained therein and facilities for connecting a coaxial line and a strip line thereto. Facilities are provided for tuning the cavity to correct for impedance mismatch and for adjusting the cavity to correct for phase shift.
Other objects and advantages of the invention will become apparent by reference to the following detailed specification and accompanying drawings, wherein:
FIG. 1 is a perspective View, incorporating certain principles of the invention, of a coaxial line to strip line connector having an upper body for receiving a coaxial line and a lower body for receiving a strip line; and
FIG. 2 is a cross sectional View of the coaxial line to strip line connector taken along line 2-4.. of FIG. 1.
In FIGS. 1 and 2 there is shown the coaxial line to strip line connector (hereafter referred to as connector) for connecting a coaxial line 11 and astrip line 12. Coaxial line 11 is representative of a wide variety of coaxial transmission lines and includes acenter conductor 13 concentrically arranged within and electrically insulated relative to anouter conductor 14.
izfilflzl Patented Aug. 17, 1%65 The connector includes alower body assembly 24 and anupper body assembly 26.Upper body assembly 26 comprises anouter sleeve 27 which is counterborcd at 28 to receive acollar 29 from which extends a threaded projection 39. Thecollar 29 is force fitted, staked, or otherwise secured Within thecounterbored sleeve 27. The inner surface of thecollar 29 is machined to form awedging cone 31 into which is nested asplit ferrule 32 having a conical outer surface. Thesleeve 27 is provided with internal threads to receive an externally threadedinner sleeve 33 having anopening 34 and having one end formed in the shape of abolt head 35.
An upper chuck 41 is mounted in a block 42 of electrical insulation secure-d withinupper body assembly 26. Upper chuck ll has a beveled end 43 which communicates with the interior ofupper body assembly 26 and a pin 4-4 which extends beyond projection 3t). A lock nut lb threadably engages and is adjustable in position along projection Ell.
Projection 3i! oiupper body assembly 26 is threaded into an internally threadedsleeve 47 forming a part of thelower body assembly 2 to define atuning cavity 49. Tuning screws all extend through the walls ofsleeve 47 and are adjustable in position withincavity 49. A lower chuck $2. is mounted in ablock 53 of electrical insulation secured within thesleeve 47 of the lower body assemblyLower chuck 52 has an opening which receives pin id of upper chuck 41 and a flat tab '54 extending out oflower body assembly 24.
Clampingscrews 64 are threadable through holes in legs as and or which extend from the sleeve 4'? of the lower body assembly 2 (FIGS. 1 and 2). Clamping screws as are aligned with holes in the end ofstrip line 12. A locking screw 68 (FIGS. 1 and 2) is threadable through leg 56 and is aligned with tab 54 The connector is made of electrically conductive material except for the insulation blocks 42 and S3 to define a first conductive path throughupper body assembly 26 andlower body assembly 24, and a second conductive path through upper chuck ill.
Operation in the operation of the connector, coaxial line 11 is inserted through opening 34 insleeve 33 such thatcenter conductor 13 is pressed into beveled end 43 of upper chuck 41 andouter conductor 14 is pressed intosplit ferrule 32Sleeve 33 is threaded into theouter sleeve 27 to compressferrule 32 aboutouter conductor 14 and lock the coaxial line with the upper body.
An impedance mismatch almost invariably results when connecting coaxial line 11 tostrip line 12. Tuningscrews 61 are adjustably positioned withincavity 49 to vary the capacitance of the cavity. Such varying of the capacitance of the cavity is commonly referred as tun ing. Since impedance is a function of capacitance, the impedance mismatch of the coaxial line and strip line is compensated by adjustment of the tuning screws.
Although twotuning screws 61 are shown opposite each other in the figures, it is to be understood that the tuning screws may be placed at positions other than 3 opposite and more than two may be employed. The number and positions oftuning screws 61 employed is dependent on the frequency of the transmitted signal, the strip line circuitry (represented by center conductor 22), and the amount of capacitance needed to be compensated.
I By varying theca'pacitance ofcavity 49 to match the impedance oflines 11 and 12, a phase shift is introduced into a signal being transmitted along the over-all line.
The position ofprojection 30 ofupper body assembly 26 is adjusted withinlower body 24 to alter the axial length ofcavity 49. Since the phase shift experienced by the signal is alsoa function of the physical length of the conducting path, this alteration of the length ofcavity 49 effectively changes the length of the conducting path and thereby compensates for the phase shift introduced by the impedance matching. It follows that the alteration of the length ofcavity 49 also compensates for phase shift in a signal introduced by the coaxial line and strip line themselves.Lock nut 46 is adjusted to lock lower body a'ssernbly 24 and upper body assembly '26 in position.
Although the invention has been described and illus- 'trated with respect to a straight connection between a coaxial line and a'strip line, it will be apparent to one skilled in this art that the connector can be modified to connect a coaxial line and a strip line at other angles, for example 90. This can be accomplished by modifying the external U-shaped bracket for clamping the strip line the connector.
It is to be understood that the above-described embodiment is illustrative of the principles of the invention and many others 7 couldbe devised without'departing from the scope of the invention.
What is claimed is: v
1. A coaxial line to strip line connector, comprising a body including a conductive path between the lines and defining a cavity which comprises a portion of the path, 1
means for tuning the cavity to compensate for imped V ance mismatch of the lines, and I means for adjusting the cavity to compensate for the phase shift in a signal being transmitted along the lines.
2. A coaxial line to strip line connector, comprising a body having facilities for securing the coaxial and strip lines thereto and providing a conductive path between the lines, the body defining a cavity which comprises a portion of the conductive path,
ffii-st adjustable means projecting into the cavity for tuning the cavity to compensate for impedance mismatch of the lines, and
- second adjustable means for altering the length of the cavityto compensate for phase shift in a signal being transmitted along the lines.
3. Acoaxia'l line to strip line connector, comprising a body having facilities for securing the coaxial and strip lines to provide a conductive path between the lines,
a tuning cavity defined by the body and interposed in A the conductive path between the coaxial and strip lines, v
tuning elements adjustably positionable within the cavity for matching the impedance of the lines, and
means coupled to the body for altering the axial length of the cavity to compensate for any phase shift in a. signal being transmitted along the lines.
4. A "coaxial line to a strip line connector, comprising a hollow lower body open on one end and having elements for securing a strip line thereto,
an upper body having facilities for securing a'coaxial line thereto and connected to close the open end of the lower body to define a cavity, the lower and upper bodies providing a'conductive path between the lines,
tuning elements projecting through the walls of the lower body into the cavity and adjustable in position for varying the capacitance of the cavity to match the impedance 'of the lines, and 5 means for adjusting the relative position of the upper and lower bodies to alter the length of the cavity to compensate for any phase shift in a signal being transmitted over the lines. 7
5. A connector for connecting a coaxial transmission line having-a center conducto r'concentrically positioned within an outer conductor to a strip transmission line having a fiat, center'conductor sandwiched between 'a pair of flat outer conductors, comprising a clamping section for clampingly engaging the outer conductors of the strip line, 7 a lower body terminating at.[the clamping section and defining an open-ended internal cavity, an'upper body having facilities for securing the outer conductor of the coaxialline thereto and connected to the lower body for closing and adjusting the axial length of the cavity, 1 v means extending axially through the cavity and the upper and lower bodies for connecting the center conductor of the coaxial line to the center conductor of the strip line, tuning elements extending through the Walls of the lower body into the cavity and adjustable in position for matching the impedance of the coaxial line to that of the strip line, and
means for locking the upper body within the lower body after adjustment of the axial length of the cavity to compensate for any phase shift introduced into a signal being transmitted along the lines.
6. A connector for connecting a coaxial transmission line having a center conductor concentrically positioned within an outer conductor to a strip transmission line having a hat center conductor sandwiched between a 7 pair of flat outer conductors, comprising a lower body having an open-ended cavity on one end, 7
a pair of legs extending from the otherend of the lower body for clamping the outer conductors of the strip line to the connector.
7 an upper bodyhaving an opening for receiving the body for closing and adjusting the length of the I cavity, l
a sleeve through which the'coaxial 'line extends and threadable into the opening for securing the outer conductor; of the coaxial line to the upper body,
a chuck extending axially through the cavity and the 7 upper and lower bodies for connecting the center conductor of the coaxial line to the center'conductor of the strip line,
tuning elements extending through the walls of the lower body into the cavity and adjustable within the cavity for varying the capacitance of the cavity to.
match the impedance of the coaxial line to the strip line, and
a locking element for securing the upper'body within the lower body after adjustment of the axial of the length of the cavity to compensate for the phase shift introduced into a signal being transmitted along 7 the over-all line.
' References Cited by the Examiner UNITED STATES PATENTS 11/61 Bondon 174ss 12/61 Jordan 3-33-31 References Cited by the Appiicant V UNITED STATES PATENTS 2,976,498 3/61 7 Locus.
HERMAN KARL SAALBACH, Primary Examiner.
coaxial line and threadably connected to the lower Dedication 3,2O1,721.-Rud0lph W. Vaelcker, Greensboro, NC. COAXIAL LINE T0 STRIP LINE CONNECTOR. Patent dated Aug. 17, 1965. Dedication filed June 5, 1972, by the assignee, Western Electric Company, Incorporated.
Hereby dedicates to the Public the entire renmi ning term of said patent. [Ofiicial Gazette January 2, 1973.]
Claims (1)
1. A COAXIAL LINE TO STRIP LINE CONNECTOR, COMPRISING A BODY INCLUDING A CONDUCTIVE PATH BETWEN THE LINES AND DEFINING A CAVITY WHICH COMPRISES A PORTION OF THE PATH, MEANS FOR TUNING THE CAVITY TO COMPENSATE FOR IMPEDANCE MISMATCH OF THE LINES, AND MEANS FOR ADJUSTING THE CAVITY TO COMPENSATE FOR THE PHASE SHIFT IN A SIGNAL BEING TRANSMITTED ALONG THE LINES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US334175AUS3201721A (en) | 1963-12-30 | 1963-12-30 | Coaxial line to strip line connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US334175AUS3201721A (en) | 1963-12-30 | 1963-12-30 | Coaxial line to strip line connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3201721Atrue US3201721A (en) | 1965-08-17 |
Family
ID=23305943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US334175AExpired - LifetimeUS3201721A (en) | 1963-12-30 | 1963-12-30 | Coaxial line to strip line connector |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US3201721A (en) |
Cited By (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3325752A (en)* | 1965-02-01 | 1967-06-13 | Electronics Standards Corp Of | Microwave connector |
| US3622915A (en)* | 1970-03-16 | 1971-11-23 | Meca Electronics Inc | Electrical coupler |
| US3651432A (en)* | 1970-04-14 | 1972-03-21 | Amp Inc | Impedance matched printed circuit connectors |
| US3662318A (en)* | 1970-12-23 | 1972-05-09 | Comp Generale Electricite | Transition device between coaxial and microstrip lines |
| US3663901A (en)* | 1970-02-27 | 1972-05-16 | Amp Inc | Tuned coaxial device |
| US3725829A (en)* | 1971-07-14 | 1973-04-03 | Itek Corp | Electrical connector |
| US3818386A (en)* | 1967-04-03 | 1974-06-18 | Texas Instruments Inc | Solid-state modular microwave system |
| US3825861A (en)* | 1973-09-10 | 1974-07-23 | Eg & G Inc | Coaxial line to strip line connector |
| DE2748818A1 (en)* | 1977-09-06 | 1979-03-15 | Marconi Co Ltd | EDGE PLUG |
| US4186358A (en)* | 1977-01-05 | 1980-01-29 | Licentia Patent-Verwaltung-G.M.B.H. | Adjustable coaxial line-to-microstrip line transition |
| US4346355A (en)* | 1980-11-17 | 1982-08-24 | Raytheon Company | Radio frequency energy launcher |
| US4441781A (en)* | 1982-08-17 | 1984-04-10 | Amp Incorporated | Phase-matched semirigid coaxial cable and method for terminating the same |
| FR2551269A1 (en)* | 1983-08-30 | 1985-03-01 | Lmt Radio Professionelle | Three-plate line. |
| US4535307A (en)* | 1982-06-30 | 1985-08-13 | Raytheon Company | Microwave circuit device package |
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| US4724409A (en)* | 1986-07-31 | 1988-02-09 | Raytheon Company | Microwave circuit package connector |
| US4870375A (en)* | 1987-11-27 | 1989-09-26 | General Electric Company | Disconnectable microstrip to stripline transition |
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| US5982338A (en)* | 1997-12-08 | 1999-11-09 | Raytheon Company | Rectangular coaxial line to microstrip line matching transition and antenna subarray including the same |
| EP0848459A3 (en)* | 1996-12-13 | 2000-12-20 | FUBA Automotive GmbH & Co. KG | PCB-line connector |
| US20030164244A1 (en)* | 2002-03-01 | 2003-09-04 | Ryowa Electronics Co., Ltd. | System for and method of interconnecting high-frequency transmission lines |
| US20030169124A1 (en)* | 2002-03-07 | 2003-09-11 | Dov Herstein | Transition from a coaxial transmission line to a printed circuit transmission line |
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| US10281518B2 (en) | 2014-02-25 | 2019-05-07 | Formfactor Beaverton, Inc. | Systems and methods for on-wafer dynamic testing of electronic devices |
| US20210399426A1 (en)* | 2020-06-23 | 2021-12-23 | Commscope Technologies Llc | Signal processing devices and antenna systems |
| US11942673B2 (en)* | 2020-06-23 | 2024-03-26 | Commscope Technologies Llc | Signal processing device comprising a target apparatus coupled to a feeding apparatus by connection members providing capacitive and inductive impedances |
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