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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
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 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 Frequency Sensitivity, 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 Directivity, dB, Min. 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 *Insertion Loss, dB, Max. 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 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
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
Coupling is referenced to the input
*Insertion loss is over and above coupling ``loss''
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
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: Coupled ``Loss'': 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: SMA Connectors: 50 nom. Female, to meet the interface rqts of MIL-C-39012 -- 55 to +85C TNC and N type available
Operating Temp: Other connectors:
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

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