MERRIMAC CSM-20M-10G

DIRECTIONAL COUPLERS
CSM-M-G Series
0.5 to 18 GHz / Octave Bands / 50 W / 6, 10, 20 & 30 dB Coupling / Low Cost Stripline / SMA
PRINCIPAL SPECIFICATIONS
Model
Number
CSM-6M-.75G
CSM-10M-.75G
CSM-20M-.75G
CSM-30M-.75G
CSM-6M-1.5G
CSM-10M-1.5G
CSM-20M-1.5G
CSM-30M-1.5G
CSM-6M-3G
CSM-10M-3G
CSM-20M-3G
CSM-30M-3G
CSM-6M-4G
CSM-10M-4G
CSM-20M-4G
CSM-30M-4G
CSM-6M-6G
CSM-10M-6G
CSM-20M-6G
CSM-30M-6G
CSM-6M-10G
CSM-10M-10G
CSM-20M-10G
CSM-30M-10G
CSM-6M-12G
CSM-10M-12G
CSM-20M-12G
CSM-30M-12G
CSM-6M-15G
CSM-10M-15G
CSM-20M-15G
CSM-30M-15G
Frequency Coupling¤,
Range,
dB,
GHz
Nom.
0.5 - 1.0
1.0 - 2.0
2.0 - 4.0
2.6 - 5.2
4.0 - 8.0
7 - 12.4
7.5 - 16
12.4 - 18
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.0
20 ±1.0
30 ±1.0
6 ±1.0
10 ±1.25
20 ±1.25
30 ±1.25
6 ±1.0
10 ±1.0
20 ±1.0
30 ±1.0
¤Coupling is referenced to the input
Frequency
Sensitivity,
dB, Max.
Directivity,
dB,
Min.
*Insertion
Loss,
dB, Max.
±0.60
±0.75
±0.75
±0.75
±0.60
±0.75
±0.75
±0.75
±0.60
±0.75
±0.75
±0.75
±0.60
±0.75
±0.75
±0.75
±0.60
±0.75
±0.75
±0.75
±0.50
±0.50
±0.50
±0.50
±0.60
±0.75
±0.75
±0.75
±0.50
±0.50
±0.50
±0.50
25
25
25
25
25
25
25
25
22
22
22
22
20
20
20
20
20
20
20
20
17
17
17
17
12
12
15
15
15
15
15
15
0.20
0.20
0.15
0.15
0.20
0.20
0.15
0.15
0.20
0.20
0.15
0.15
0.20
0.20
0.20
0.20
0.25
0.25
0.25
0.25
0.30
0.30
0.30
0.30
0.60
0.60
0.50
0.50
0.60
0.60
0.50
0.50
VSWR, Max.,
Outline
Main Coupled
Ref.
Line
Line
Dim.
1.15:1
1.10:1
1.10:1
1.10:1
1.15:1
1.10:1
1.10:1
1.10:1
1.15:1
1.15:1
1.15:1
1.15:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.30:1
1.30:1
1.30:1
1.30:1
1.35:1
1.35:1
1.35:1
1.35:1
1.30:1
1.30:1
1.30:1
1.30:1
1.15:1
1.10:1
1.10:1
1.10:1
1.15:1
1.10:1
1.10:1
1.10:1
1.15:1
1.15:1
1.15:1
1.15:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.30:1
1.30:1
1.30:1
1.30:1
1.40:1
1.40:1
1.40:1
1.40:1
1.40:1
1.40:1
1.40:1
1.40:1
*Insertion loss is over and above coupling ‘‘loss’’
1
1
1
2
3
3
3
4
5
5
5
6
7
7
7
8
7
7
7
8
7
7
7
8
7
7
9
9
7
7
9
9
20Mar96
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
CSM-M-G Series
DIRECTIONAL COUPLERS
250 MHz to 18 GHz / Octave Bands / 50 W / 6, 10, 20 & 30 dB Coupling / Low Cost Stripline / SMA
Package Outline
NOTES:
1. Tolerance on 3 place decimals ±.020(.51)
except as noted.
2. Dimensions in inches over millimeters.
3. Weights are nominal on all outlines.
4. Outline 2A differs from 2 in dimension A=5.88"
POWER SPECIFICATIONS
Coupled ‘‘Loss’’:
6 dB units:
10 dB units:
20 dB units:
30 dB units:
Peak Power:
CSM-M-15G:
CSM-M-12G:
All others:
Input Power (Forward):
Reflected Power:
6 dB units:
10 dB units:
20 dB units:
30 dB units:
1.25 dB
0.46 dB
0.044 dB
0.004 dB
1 kW max.
2 kW max.
3 kW max.
50 Watts max.
2 Watts max.
5 Watts max.
50 Watts max.
50 Watts max.
GENERAL SPECIFICATIONS
Impedance:
50 Ω nom.
SMA Connectors:
Female, to meet the
interface rqts
of MIL-C-39012
Operating Temp:
-- 55° to +85°C
Other connectors:
TNC and N type
available
General Notes:
1. The CSM series directional couplers are miniature three port devices utilizing stripline technology in a connectorized package. Each is a
quarter wave coupler operating across an octave band of frequencies. They are ideally suited to monitor forward or reflected power with minimal
perturbation to the main line signal, signal sampling, control loops and for test signal injection devices in BITE.
2. These devices 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.
20Mar96
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531