CSM-M-G Series
DIRECTIONAL COUPLERS
0.5 to 18 GHz / Octave Bands / 50 W / 6, 10, 20 & 30 dB Coupling / Low Cost Stripline / SMA
PRINCIPAL SPECIFICATIONS
Frequency Coupling¤, Frequency Directivity, *Insertion
VSWR, Max.,
Main Coupled
Outline
Ref.
Dim.
Model
Number
Range,
GHz
dB,
Nom.
Sensitivity,
dB, Max.
dB,
Min.
Loss,
dB, Max.
Line
Line
CSM-6M-.75G
CSM-10M-.75G
CSM-20M-.75G
CSM-30M-.75G
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
±0.60
±0.75
±0.75
±0.75
25
25
25
25
0.20
0.20
0.15
0.15
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
1
1
2
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-1.5G
CSM-10M-1.5G
CSM-20M-1.5G
CSM-30M-1.5G
6 ±1.0
±0.60
±0.75
±0.75
±0.75
25
25
25
25
0.20
0.20
0.15
0.15
1.15:1
1.10:1
1.10:1
1.10:1
1.15:1
1.10:1
1.10:1
1.10:1
3
3
3
4
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-3G
CSM-10M-3G
CSM-20M-3G
CSM-30M-3G
6 ±1.0
±0.60
±0.75
±0.75
±0.75
22
22
22
22
0.20
0.20
0.15
0.15
1.15:1
1.15:1
1.15:1
1.15:1
1.15:1
1.15:1
1.15:1
1.15:1
5
5
5
6
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-4G
CSM-10M-4G
CSM-20M-4G
CSM-30M-4G
6 ±1.0
±0.60
±0.75
±0.75
±0.75
20
20
20
20
0.20
0.20
0.20
0.20
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
7
7
7
8
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-6G
CSM-10M-6G
CSM-20M-6G
CSM-30M-6G
6 ±1.0
±0.60
±0.75
±0.75
±0.75
20
20
20
20
0.25
0.25
0.25
0.25
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
1.25:1
7
7
7
8
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-10G
CSM-10M-10G
CSM-20M-10G
CSM-30M-10G
6 ±1.0
10 ±1.0
20 ±1.0
30 ±1.0
±0.50
±0.50
±0.50
±0.50
17
17
17
17
0.30
0.30
0.30
0.30
1.30:1
1.30:1
1.30:1
1.30:1
1.30:1
1.30:1
1.30:1
1.30:1
7
7
7
8
CSM-6M-12G
CSM-10M-12G
CSM-20M-12G
CSM-30M-12G
6 ±1.0
±0.60
±0.75
±0.75
±0.75
12
12
15
15
0.60
0.60
0.50
0.50
1.35:1
1.35:1
1.35:1
1.35:1
1.40:1
1.40:1
1.40:1
1.40:1
7
7
9
9
10 ±1.25
20 ±1.25
30 ±1.25
CSM-6M-15G
CSM-10M-15G
CSM-20M-15G
CSM-30M-15G
6 ±1.0
10 ±1.0
20 ±1.0
30 ±1.0
±0.50
±0.50
±0.50
±0.50
15
15
15
15
0.60
0.60
0.50
0.50
1.30:1
1.30:1
1.30:1
1.30:1
1.40:1
1.40:1
1.40:1
1.40:1
7
7
9
9
¤Coupling is referenced to the input
*Insertion loss is over and above coupling ‘‘loss’’
20Mar96
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531