super sma connectors end launch connectors · southwest microwave, inc. • tempe, arizona 85284...
TRANSCRIPT
Southwest Microwave, Inc. • Tempe, Arizona 85284 USA • 480-783-0201 • www.southwestmicrowave.com
N&
TNC
Con
nect
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2.9
2 m
mC
onne
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sS
SM
AC
onne
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sA
dapt
ers
1.8
5 m
mC
onne
ctor
s2
.40
mm
Con
nect
ors
End
Lau
nch
Con
nect
ors
Cab
leC
onne
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sLa
unch
Acc
esso
ries
Inst
alla
tion
and
Tool
s S
uper
SM
AC
onne
ctor
s
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N&
TNC
Connectors
2.9
2 m
mC
onnectorsS
SM
AC
onnectorsA
dapters1
.85
mm
Connectors
2.4
0 m
mC
onnectorsEnd Launch
Connectors
Cable
Connectors
Installationand Tools
Super S
MA
Connectors
LaunchA
ccessories
outhwest Microwave’sEnd Launch connectors
allowalowVSWR,lowreturnloss,launchto50GHz
toaboardwithonly2throughholesaddedtotheboard.
Theyarerecommendedformulti-layerboardswithcoplanarwaveguide
orsinglelayermicrostripcircuitboards.Availablefullyassembled
withSMA,2.92mm,or2.40mmconnectors.
Features:
WorksonMulti-layerboards withcoplanarwaveguide.
Worksonsinglelayerboards withmicrostrip.
Shippedfullyassembled.
Theinternaltransitionis designedto>50GHz.
Connectortypesavailable areSMA,2.92mm,or2.40mm (frequencywillbelimitedby connectortype).
Only2holesneededonthe circuitboardformounting.
Newbottomclampdesign improvesgrounding.
End Launch ConnectorsSuper SMA (27 GHz), 2.92mm (40 GHz), or 2.40mm (50 GHz)
N&
TNC
Con
nect
ors
2.9
2 m
mC
onne
ctor
sS
SM
AC
onne
ctor
sA
dapt
ers
1.8
5 m
mC
onne
ctor
s2
.40
mm
Con
nect
ors
End
Lau
nch
Con
nect
ors
Cab
leC
onne
ctor
sLa
unch
Acc
esso
ries
Inst
alla
tion
and
Tool
s S
uper
SM
AC
onne
ctor
s
Southwest Microwave, Inc. • Tempe, Arizona 85284 USA • 480-783-0201 • www.southwestmicrowave.com
N&
TNC
Connectors
2.9
2 m
mC
onnectorsS
SM
AC
onnectorsA
dapters1
.85
mm
Connectors
2.4
0 m
mC
onnectorsEnd Launch
Connectors
Cable
Connectors
Installationand Tools
Super S
MA
Connectors
LaunchA
ccessories
59
End Launch ConnectorsSuper SMA (27 GHz), 2.92mm (40 GHz), or 2.40mm (50 GHz)
END LAUNCH CONNECTOR MODEL NUMBERS REFERENCE
LAUNCHGEOMETRY
PINDIAMETER
DIELECTRICDIAMETER
SMA CONNECTOR(27 GHz)
2.92mm CONNECTOR(40 GHz)
2.40mm CONNECTOR(50 GHz)
COPLANAR
PLUG(MALE)
PLUG(MALE)
PLUG(MALE)
JACK(FEMALE)
JACK(FEMALE)
JACK(FEMALE)
A B C
MICROSTRIPCIRCUIT GEOMETRYTRANSITION
DIAMETERS
RECOMMENDEDGROUND
TOGROUNDSPACING
OPTIMALSUBSTRATETHICKNESS
OPTIMALTRACEWIDTH
.010
.007
.007
.005
.0635 292-04A-5 293-01A-5 1092-03A-5 1093-01A-5 1492-02A-5 1493-01A-5
292-05A-5 293-02A-5 1092-02A-5 1093-02A-5 1492-01A-5 1493-02A-5
292-06A-5 293-03A-5 1092-04A-5 1093-03A-5 1492-03A-5 1493-03A-5
292-07A-5 293-04A-5 1092-01A-5 1093-04A-5 1492-04A-5 1493-04A-5
.0480
.0390
.0290
.0635
.0480
.0390
.0290
.010
.007
.007
.005
.045" TO .062"
.037" TO .046"
.026" TO .037"
.020" TO .027"
.010"-.063"
.007"-.048"
.007"-.039"
.007"-.029"
.020
.015
.012
.009
.027"
.020"
.016"
.012"
Southwest Microwave, Inc. • Tempe, Arizona 85284 USA • 480-783-0201 • www.southwestmicrowave.com
N&
TNC
Con
nect
ors
2.9
2 m
mC
onne
ctor
sS
SM
AC
onne
ctor
sA
dapt
ers
1.8
5 m
mC
onne
ctor
s2
.40
mm
Con
nect
ors
End
Lau
nch
Con
nect
ors
Cab
leC
onne
ctor
sLa
unch
Acc
esso
ries
Inst
alla
tion
and
Tool
s S
uper
SM
AC
onne
ctor
s
60
N&
TNC
Connectors
2.9
2 m
mC
onnectorsS
SM
AC
onnectorsA
dapters1
.85
mm
Connectors
2.4
0 m
mC
onnectorsEnd Launch
Connectors
Cable
Connectors
Installationand Tools
Super S
MA
Connectors
LaunchA
ccessories
Microstrip Data
Belowaretestresultsto50GHzfortwo1492-04A-5end
launchconnectorsona.008"Rogers4003microstrip
boardwithtopgroundlaunch.TheplotshowsbothVSWR
andinsertionlossforthetestboardandthe2connec-
tors.Thisisnotastandardtestboard.
Definitions:
Coplanargroundplanespacing=tracewidth+gap+gap.
Thisisthedistancefromtheinsideedgeofonetopground
planetotheinsideedgeoftheothertopgroundplane.
Optimal substrate thickness (see below for detail):
Formicrostripthisisthesubstratethicknessthatwillbest
matchtheendlaunchconnector.Forcoplanarthisisnot
asimportantanissueasthegroundplanespacing.
Optimal trace width (see below for detail):
Thisisthetracewidththatwillbestmatchtheendlaunch
pin.Fortracesmuchlargerthanthepintheycanbe
tapereddownforabettermatch.
Ground stitching:Theseareviasconnectingthetopground
planeswiththesubstrateground.Thepurposeofthevias
istoensurebothcoplanargroundplanesstayatthesame
potential.Thebestplacementoftheseisnearthetraceat
adistanceof1/4wavelengthofthehighestfrequency.
Maximum board thickness: Themaximumboardthicknessis.110inches.
Microstrip to coplanar transition:Whenusingmicrostrip
onamulti-layerboardoronaboardwherethemicrowave
groundisnotaccessiblethenamicrostriptocoplanar
transitionshouldbeused.
Choosing the correct launch transition:(refer to drawings on opposite page)
For Coplanar:ChoosethelaunchtransitionwheredimensionC,theouterconductorofthelaunch(coaxground),ismatchedtothe
groundplanespacing.
Theground plane spacing=tracewidth+gap+gap.
Thisisthedistancefromtheinsideedgeofonetopground
planetotheinsideedgeoftheothertopgroundplane.
For microstrip:
Choosethetransitionthatwillbestmatchthesubstrate
thickness.Thisisthetransitionthathasaminimaldis-
continuitybetweenthemicrostripgroundplaneand
theouterconductorofthelaunch.
Theoptimal substrate thickness=outerconductorra-
dius–innerconductorradius=C/2-A/2=(C-A)/2.This
isthedistancefromthebottomofthelaunchpintothe
outerdiameteroftheendlaunch.
Theoptimal trace widthis<Cand>A.
Thisisthewidthofthepin,totheouter
diameterofendlaunch.Fortraces
muchlargerthanthepinthetrace
canbetaperedforabettermatch.
Coplanar Data
Belowaretestresultsto50GHzfortwo1492-04A-5end
launchconnectorsona.008"Rogers4003coplanar
board.TheplotshowsbothVSWRandinsertionlossfor
thetestboardandthe2connectors.Similarboardsare
usedfortheotherlaunchgeometries.
0.000
-1.000
-2.000
-3.000
S11
S21
Frequency (GHz)
1.600
1.400
1.200
1.0000 5 10 15 20 25 30 35 40 45 50
0.000
-1.000
-2.000
-3.000
S11
S21
Frequency (GHz)
1.600
1.400
1.200
1.0000 5 10 15 20 25 30 35 40 45 50
N&
TNC
Con
nect
ors
2.9
2 m
mC
onne
ctor
sS
SM
AC
onne
ctor
sA
dapt
ers
1.8
5 m
mC
onne
ctor
s2
.40
mm
Con
nect
ors
End
Lau
nch
Con
nect
ors
Cab
leC
onne
ctor
sLa
unch
Acc
esso
ries
Inst
alla
tion
and
Tool
s S
uper
SM
AC
onne
ctor
s
Southwest Microwave, Inc. • Tempe, Arizona 85284 USA • 480-783-0201 • www.southwestmicrowave.com
N&
TNC
Connectors
2.9
2 m
mC
onnectorsS
SM
AC
onnectorsA
dapters1
.85
mm
Connectors
2.4
0 m
mC
onnectorsEnd Launch
Connectors
Cable
Connectors
Installationand Tools
Super S
MA
Connectors
LaunchA
ccessories
61
Southwest Microwave, Inc. www.southwestmicrowave.com9055SouthMcKemyStreet-Tempe,Arizona85284-2946USA•Telephone480-783-0201•FAX480-783-0401
Installation Procedure
Step 1: Mounttheendlaunchconnectorontheboard inthedesiredposition.
Step 2: Ensurethelaunchpiniscenteredonthetrace.
Step 3: Ensurethetransitionblockistightagainst theboard.
Step 4: Tightenthe1-72mountingscrewsuntilthe connectorissecured.
Special Version
End Launch ConnectorsSuper SMA (27 GHz), 2.92mm (40 GHz), or 2.40mm (50 GHz)
Examples of Applications
Chipsetevaluationboards.
Testboards.
Notlimitedtolaunchingofftheedge oftheboardonly.
Usethemtotestboardsbeforeassembly.
Customflangesusedtomountboardssecurely.
Steps 5–7 (Optional)
Step 5: Solderthelaunchpintothetrace. (Note:Besurethesolderflowstheentire lengthofthelaunchpin/tracecontactarea.)
Step 6: Removeanyexcesssolder. (Note:Excesssolderwillaffectperformance.)
Step 7: Cleananyfluxorotherresiduefromaround thesolderjoint.
Dimensions:
Note: Information herein is believed by Southwest Microwave, Inc. to be accurate. However, Southwest Microwave assumes no responsibility for any omissions or errors or inaccuracies for its use or for any infringements of patents or other rights of third parties that may result from its use. Data is intended for informational purposes only and does not constitute a contract of sale or any express or implied warranty, including any warranty of merchantability or fitness for a particular purpose.