CTM-M-G Series
DIRECTIONAL COUPLERS
0.5 to 18 GHz / Multi-Octave Bandwidths / 6, 10 & 20 dB Coupling / 50 W / Stripline / SMA / Rev. 08/16/99
PRINCIPAL SPECIFICATIONS
Frequency Coupling¤, Frequency Directivity, *Insertion
VSWR Max. Outline
Model
Number
Range,
GHz
dB,
Nom.
Sensitivity,
dB, Nom.
dB,
Min.
Loss,
dB, Max.
Main Coupled
Line Line
Ref.
Dim.
CTM-6M-1.25G 0.5 - 2.0
CTM-10M-1.25G
CTM-20M-1.25G
6 ±1.0
10 ±1.0
20 ±1.0
± 0.75
± 0.75
± 0.75
23
23
23
0.35
0.35
0.35
1.20:1 1.20:1
1.20:1 1.20:1
1.20:1 1.20:1
1
2
2
CTM-6M-2.5G
CTM-10M-2.5G
CTM-20M-2.5G
1.0 - 4.0
2.0 - 8.0
4.0 - 12.4
6 ±1.0
10 ±1.0
20 ±1.0
± 0.50
± 0.50
± 0.50
23
23
23
0.35
0.35
0.40
1.20:1 1.20:1
1.20:1 1.20:1
1.20:1 1.20:1
3
3
4
CTM-6M-5G
CTM-10M-5G
CTM-20M-5G
6 ±1.0
10 ±1.0
20 ±1.0
± 0.30
± 0.40
± 0.40
20
20
20
0.50
0.35
0.40
1.25:1 1.25:1
1.25:1 1.25:1
1.25:1 1.25:1
5
5
6
CTM-6M-8G
CTM-10M-8G
CTM-20M-8G
6 ±1.0
10 ±1.0
20 ±1.0
± 0.30
± 0.40
± 0.40
17
17
17
0.50
0.50
0.50
1.30:1 1.30:1
1.30:1 1.30:1
1.30:1 1.30:1
7
7
8
CTM-10M-12G 7.0 - 18.0 10 ±1.25
± 0.75
± 0.60
15
15
0.60
0.60
1.35:1 1.40:1
1.35:1 1.40:1
9
9
CTM-20M-12G 6.0 - 18.0 20 ±1.25
¤Coupling is referenced to the input
* Insertion Loss above Coupling Loss
POWER SPECIFICATIONS
GENERAL SPECIFICATIONS
Coupled Power ‘‘Loss’’:
Impedance:
50 W nom.
Operating Temp: -- 55° to +85°C
SMA Connectors: Female, to meet the
interface requirements
6 dB units:
1.25 dB
10 dB units:
20 dB units:
0.46 dB
0.044 dB
Peak Power:
CW Input Power (Forward):
Reflected Power: 6 dB units:
3 kW max.
50 Watts max.
2 Watts max.
5 Watts max.
50 Watts max.
of MIL-C-39012
Other connectors: TNC and N type
optionally available.
10 dB units:
20 dB units:
Inquire at factory.
16Aug99
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531