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