Package Outline - CRM Series
PRINCIPAL SPECIFICATIONS
Model Model Frequency Operating Coupling Frequency Directivity, Insertion VSWR,
Number, Number, Range, Bandwidth, Tolerance, Sensitivity, dB, Loss, dB, Main Cpld.
SMA BNC MHz MHz ¤ dB, Max. dB, Max. Min. Max.* Arm Arm
CRM-10-50 CR-10-50 2 - 100 2 - 100 10 ±1.0 ± 0.5 30 0.5 1.3:1 1.3:1
CRM-10-500 CR-10-500 10 - 1000 10 - 50 10 ±1.0 ± 0.5 20 1.0 1.5:1 1.5:1
50 - 500 10 ±1.0 ± 0.5 25 1.0 1.3:1 1.3:1
500 - 1000 10 ±1.0 ± 0.5 20 1.5 1.5:1 1.5:1
CRM-15-50 CR-15-50 2 - 100 2 - 100 15 ±1.0 ± 0.5 30 0.5 1.3:1 1.3:1
CRM-15-500 CR-15-500 5 - 1000 5 - 100 15 ±1.0 ± 0.5 20 0.5 1.3:1 1.3:1
100 - 500 15 ±1.0 ± 0.75 25 1.0 1.2:1 1.3:1
500 - 1000 15 ±1.0 ± 0.75 20 1.5 1.3:1 1.5:1
CRM-20-2.5 CR-20-2.5 0.1 - 5 0.1 - 5 20 ±1.0 ± 0.5 30 0.5 1.3:1 1.3:1
CRM-20-50 CR-20-50 2 - 100 2 - 100 20 ±1.0 ± 0.5 30 0.5 1.3:1 1.3:1
CRM-20-500 CR-20-500 10 - 1000 10 - 500 20 ±1.0 ± 0.5 20 1.0 1.3:1 1.3:1
500 - 1000 20 ±1.0 ± 1.0 15 1.5 1.35:1 1.35:1
¤ Coupling is Referenced to the Input * Insertion Loss excludes Coupling loss
CR & CRM Series DIRECTIONAL COUPLERS
100 kHz to 1000 MHz / Multi-Octave / 10, 15, & 20 dB Coupling / High Directivity / SMA & BNC
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
NOTES: 1. Tolerance on 3 place decimals
±0.020(.51) except as noted.
2. Dimensions in inches over mm. 29Feb96
Typical Performance
Package Outline CR series
GENERAL SPECIFICATIONS
Impedance: 50 Ω nom.
CW Input: 5 Watts max.
Weight: CR Series: 2 oz (56 g) nom.
CRM Series: 1.5 oz (42 g) nom.
Operating Temperature: -- 55° to +85°C
General Notes:
1. Merrimac directional couplers are available in a
variety of packages to suit most applications such as
monitoring of incident and reflected power, signal
sampling, control loops and test signal injection
devices in BITE.
2. The CR/CRM series couplers may be custom
ordered with coupling values up to 30 dB and over
selected frequency bands up to 1.5 GHz.
3. All Merrimac couplers comply with MIL-C-15370 and
can be supplied screened for compliance with
additional specifications you designate for military and
aerospace applications requiring higher reliability.
CR & CRM Series DIRECTIONAL COUPLERS
100 kHz to 1000 MHz / Multi-Octave / 10, 15, & 20 dB Coupling / High Directivity / SMA & BNC
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
NOTES: 1. Tolerance on 3 place decimals
±0.020(.51) except as noted.
2. Dimensions in inches over mm.
29Apr96
