SUB-MINIATURE
COUPLERS, DIRECTIONAL
WITH SMA FEMALE CONNECTORS
CA SERIES
TERMINATION
.20
GENERAL INFORMATION
.20
Aeroflex-KDI ‘s Miniature Stripline Couplers, Series
CA are available in 6dB, 10dB, 20dB, and 30dB
coupling values. These units feature high directivity
and low VSWR and are conservatively rated to
ensure the most reliable service and performance.
The directional couplers on this page are unequalled
in terms of size and performance. The volume of
these couplers make them ideally suited for
.56 MAX
.38
3 PLS
CPL
SMA FEMALE
CONNECTOR
3 PLS
`B'
IN
OUT
.215
.19
.093 DIA THRU
MTG HOLE
.075
`C'
applications involving high density packaging.
`E'
.38
`D'
`A'
GENERAL SPECIFICATIONS
Frequency Range .5GHz to 18GHz
RF Impedance 50 Ohms
RF Power The Peak and Average power
handling capability of the
CA SERIES OUTLINES (inches)
OUTLINE
A
B*
C
D
E
couplers apply if the main line is
terminated in a 1.25 max VSWR
for the 6 dB & 10 dB couplers
and a 1.75 max VSWR for the
20 & 30 dB Couplers.
1
3.1
3.4
2.5
1.8
1.4
1
0.
0.5
0.5
0.55
0.5
0.5
0.5
0.5
0.8
0.95
0.6
0.43
0.5
-
1.5
1.5
1.3
0.94
0.4
-
-
-
-
-
-
2
3
4
Operating
Temperature -55°C to +85°C
Connectors SMA Female
5
6
0.5
7
8
1.3
0.9
-
-
0.65
0.45
NOTES
-
-
1) Rugged 4 hole connector construction
insures superiority
* Note 2
2) For all 30 dB couplers “B” dimension is .55 inches
3) 50 Ohm termination is supplied on each unit
delivered. Power rating is 1 Watt at +25°C.
4) Coupling includes frequency flatness & coupling
measurement in reference to the input port.
ORDERING INFORMATION
X in the part number represents the coupling value.
6 = 6dB 1.0dB; 1 = 10dB 1.2dB; 2 = 20 1.2dB dB; 3 = 30dB 1.2dB
Examples: CA-516 = .5-1GHz 6dB Coupler
CA-513 = .5-1 GHz 30dB Coupler
Frequency
Range
Coupling
(Note 4) dB
X=Coupling (Note 4) dB
Frequency
Flatness
Min
Max
Max Loss
Max
Max
Model
No.
Directivity Input/Output Above Coupling Peak Power Avg. Power
GHz
dB
VSWR
Loss dB
kW
Watts
Outline
CA-51X
CA-52X
CA-55X
CA-59X
CA-63X
CA-67X
CA-69X
CA-71X
CA-75X
CA-77X
CA-79X
CA-83X
CA-87X
CA-91X
.5-1.0
.5-2.0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0.75
0.75
0..75
0..75
0.75
0.75
0.75
0.75
0.75
0.75
0.5
20
20
20
20
20
20
17
20
18
14
1.2
1.2
1.2
1.2
1.2
1.25
1.3
1.25
1.25
1.45
1.3
1.4
1.45
1.4
0.15
0.2
0.2
0.2
0.2
3
3
3
3
3
3
2
3
3
2
2
2
2
2
50
50
50
50
50
40
20
40
40
20
30
30
20
30
1
2
3
4
5
6
7
8
8
8
8
8
8
8
.75-1.5
1.0-2.0
1.5-3.0
2.0-4.0
2.0-8.0
2.6-5.2
4.0-8.0
6.0-18.0
7.0-12.4
8.0-16.0
8.0-18.0
12.4-18.0
0.2
0.3
0.25
0.3
0.55
0.45
0.5
17
15
14
15
0.7
0..7
0.5
0.55
0.55
Aeroflex / KDI-Integrated Products
60 South Jefferson Rd • Whippany, NJ 07981
Tel: 973.887.8100 • Fax: 973.884.0445
www.aeroflex-kdi.com • sales@aeroflex-kdi.com
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