CWM-R Series
DIRECTIONAL COUPLERS
0.5 to 26.5 GHz / Ultra-Broadband / 10, 16, 20 dB Coupling / High-Perf. Stripline / 25 W / SMA
PRINCIPAL SPECIFICATIONS
Model
Number
CWM-20R-9.2G
CWM-10R-10.2G
CWM-16R-10.2G
CWM-10R-10.8G
CWM-16R-10.8G
CWM-10R-13.2G
CWM-16R-13.2G
CWM-10R-13.8G
CWM-16R-13.8G
CWM-10R-16G
CWM-20R-16G
CWM-10R-22G
CWM-20R-22G
Frequency
Range,
GHz
0.5 - 18.0
0.5 - 20.0
1.7 - 20.0
0.5 - 26.5
1.7 - 26.5
6.0 - 26.5
18.0 - 26.5
Coupling,¤ Frequency
dB,
Sensitivity,
Nom.
dB, Max.
20
±1.0
10
±1.0
16
±1.0
10
±1.0
16
±1.0
10
±1.0
16
±1.0
10
±1.0
16
±1.0
10
±1.0
20
±1.0
10
±1.0
20
±1.0
±1.0
±1.0
±0.55
±1.0
±0.6
±0.5
±0.5
Directivity, *Insertion
dB,
Loss,
Min.
dB, Max.
14
14
15
12
14
14
14
1.3
1.3
1.2
0.9
2.0
1.6
1.5
1.0
1.0
0.7
1.0
0.7
VSWR Max., Outline
Main Coupled Ref.
Line
Line Dim.
1.40:1
1.35:1
1.35:1
1.50:1
1.40:1
1.35:1
1.45:1
1.45:1
1.50:1
1.35:1
1.45:1
1.50:1
1.50:1
1.45:1
1.45:1
1.45:1
1
1
2
1
2
3
3
¤Coupling is referenced to the
output
* Insertion Loss
above
Coupling Loss
POWER SPECIFICATIONS
Coupled ‘‘Loss’’:
10 dB units:
16 dB units:
20 dB units:
30 dB units:
0.46 dB
0.08 dB
0.044 dB
0.004 dB
3 kW max.
25 Watts max.
5 Watts max.
50 Watts max.
GENERAL SPECIFICATIONS
Impedance:
Operating Temp:
Available Options:
Connectors:
Frequencies:
Higher Power :
Coupling:
TNC & N type available
Available to 65 GHz.
With N connectors
30 dB available
50
Ω
nom.
-- 55° to +85°C
Peak Power:
Input Power (Forward):
Reflected Power:
10/16 dB units:
20/30 dB units:
General Notes:
1. The CWM-R series of directional couplers consists of three port devices utilizing stripline technology in a connectorized package. Each unit is
a multi-section quarter wave coupler designed to cover a very broad band of frequencies. They are ideally suited for monitoring forward or reflected
power in EW and similar wideband systems with minimal perturbation to the main line signal.
2. Similar directional couplers may be custom ordered with coupling values up to 35 dB and covering frequency bands up to 26.5 GHz.
3. These units comply with MIL-C-15370 and may be supplied screened for compliance with additional specifications you designate for military
and aerospace applications requiring the highest reliability.
22Feb96
For further information contact
MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
CWM-R Series
DIRECTIONAL COUPLERS
500 MHz to 26.5 GHz / Ultra-Broadband / 10, 16, 20 dB Coupling / High-Perf. Stripline / 25 W / SMA
NOTES:
1. Tolerance on 3 place decimals æ.020(.51) except as noted.
2. Dimensions in inches over mm
3. Weights are nominal.
21Feb96
F rf t e if r to c n a t
M ERRI AC /41 Faifel Pl,W estCal
o ur h r n o ma in o t c
M
ri d .
dwel,NJ,07006 / 973- 1300 /FAX 973- 0531
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575-
575-
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