SMA
COUPLERS, DIRECTIONAL
200-500 MHz, STRIPLINE
GENERAL INFORMATION
KDI/Triangle’s Stripline Couplers, Series CO, cover 6, 10, 20, and 30 dB
coupling values. These units feature high directivity and low VSWR and
are conservatively rated to ensure the most reliable service and perfor-
mance under severe environmental conditions.
SERIES CO
GENERAL SPECIFICATIONS
Frequency Range:
RF Impedance:
Operating Temperature:
Environment:
Connectors:
200-500 MHz
50 Ohms
–55°C to +85°C
MIL-E-5400
SMA
Notes:
1. The peak and average power handling capability of the couplers
apply if the main line is terminated in a 1.25 maximum VSWR for the
6 and 10 dB couplers, and in a 1.75 maximum VSWR for the 20 and
30 dB couplers.
2. Rugged 4 hole connector construction insures mechanical superiority.
3. A 50 ohm termination is supplied on each unit delivered. Power rating
is 1.0 watts at +25°C.
0.10
[2,54]
TERMINATION
SMA FEMALE TYP.
0.55[14,0]
MAX.
CPL
2.00 1.800
[50,8] [45,72]
0.25
[6,35]
TYP.
IN
2.300
[58,42]
3.50
[88,4]
OUT
0.60
[15,24]
0.093
[2,36]DIA.
TYP.
4 MOUNTING
HOLES
0.38
[9,65]
0.38
[9,65]
TYP.
ELECTRICAL PERFORMANCE Single Section Directional Couplers CO Series
Frequency
Range
Ghz
200-400
200-400
200-400
200-400
250-500
250-500
250-500
250-500
Nominal
Coupling
dB
6±.5
10±.5
20±.5
30±.5
6±.5
10±.5
20±.5
30±.5
Deviation from
Nominal
Coupling vs.
Frequency
dB
±0.7
±0.8
±1.0
±1.0
±0.7
±0.8
±1.0
±1.0
Minimum
Directivity
dB
22
22
22
22
22
22
22
22
Maximum
Prim/Sec
VSWR
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
Maximum
Insertion
Loss Above
Coupling Loss
dB
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
Minimum
Peak Power
(Note 1)
kW
10
10
10
10
10
10
10
10
Minimum
Avg. Power
(Note 1)
Watts
50
50
50
50
50
50
50
50
Model
No.
CO-246
CO-241
CO-242
CO-243
CO-256
CO-251
CO-252
CO-253
Outline
Fig.
1
1
1
1
1
1
1
1
KEY:
Inches[Millimeters] .XX ±.03 .XXX ±.010 [.X ±0.8 .XX ±0.25]
60 South Jefferson Road, Whippany, NJ 07981
Tel: 973-887-8100 • Fax: 973-884-0445
email: sales@mcekdi-integrated.com
See us on the web @ www.mcekdi-integrated.com
11-5-02
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