SUB-MINIATURE
COUPLERS, DIRECTIONAL
WITH SMA FEMALE CONNECTORS
CA SERIES
TERMINATION
.20
GENERAL INFORMATION
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
applications involving high density packaging.
GENERAL SPECIFICATIONS
Frequency Range
.5GHz to 18GHz
RF Impedance
50 Ohms
RF Power
The Peak and Average power
handling capability of the
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.
Operating
Temperature
-55°C to +85°C
Connectors
SMA Female
NOTES
1) Rugged 4 hole connector construction
insures superiority
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.
Frequency
Range
GHz
.5-1.0
.5-2.0
.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
7.0-1
2.4
8.0-16.0
8.0-18.0
1
2.4-18.0
Coupling
(Note 4) dB
X=Coupling
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Frequency
Flatness
(Note 4) dB
±
0.75
±
0.75
±
0..75
±
0..75
±
0.75
±
0.75
±
0.75
±
0.75
±
0.75
±
0.75
±
0.5
±
0.7
±
0..7
±
0.5
.20
.38
3 PLS
.56 MAX
CPL
`B'
.215
IN
OUT
SMA FEMALE
CONNECTOR
3 PLS
.075
.19
.38
`C'
`E'
`D'
`A'
.093 DIA THRU
MTG HOLE
CA SERIES OUTLINES (inches)
OUTLINE
1
2
3
4
5
6
7
8
* Note 2
A
3.1
3.4
2.5
1.8
1.4
1
1.3
0.9
B*
0.
0.5
0.5
0.55
0.5
0.5
0.5
0.5
C
0.8
0.95
0.6
0.43
0.5
-
-
-
D
1.5
1.5
1.3
0.94
0.4
-
-
-
E
-
-
-
-
-
0.5
0.65
0.45
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-51 = .5-1 GHz 30dB Coupler
3
Min
Directivity
dB
20
20
20
20
20
20
1
7
20
18
1
4
1
7
1
5
1
4
1
5
Max
Max Loss
Input/Output Above Coupling
VSWR
Loss dB
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
0.1
5
0.2
0.2
0.2
0.2
0.2
0.3
0.25
0.3
0.55
0.45
0.5
0.55
0.55
Max
Peak Power
kW
3
3
3
3
3
3
2
3
3
2
2
2
2
2
Max
Avg. Power
Watts
50
50
50
50
50
40
20
40
40
20
30
30
20
30
Model
No.
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
Outline
1
2
3
4
5
6
7
8
8
8
8
8
8
8
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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