directional coupler - crf-10a-250 sq

Crane Aerospace & Electronics Microwave Solutions
Directional Coupler - CRF-10A-250 SQ
Technical Feature
features
• Space Qualified
• 5 - 500 MHz
• Forward and Reverse Coupling
PERFORMANCE
Description
The CRF-10A-250 SQ Directional Coupler covers 5 - 500 MHz
with a special lumped element design to reduce size, while
maintaining high performance. Parts, materials and processes
are in accordance with Merrimac document CENG-0001,
“Standard Design Requirements for Space Qualified Devices”.
Frequency Range................................................5 - 500 MHz
Coupling..................................................................10 ± 1 dB
Insertion Loss...................................................... 1.3 dB max.
Directivity............................................................... 20 dB min.
VSWR....................................................1.5:1 max., 1.3:1 typ.
Frequency Sensitivity........................................ ±0.5 dB max.
CW Power Rating Main Line................................. 1 W maax.
PACKAGE OUTLINE
.312 ± .030
.150 MAX.
[3.81]
[7.92 ± 0.76]
(TYP)
IN
OUT
.385 ± 0.020
[9.78 ± .508]
*.350 TYP.
[8.89]
.510 ± 0.020
[12.94 ± 0.508]
FWD
REV
*.250 TYP.
[6.35]
*.015 ± 0.005
[0.38 ± 0.127]
TYP. 8 PINS
NOTES:
1. TOLERANCE ON 3 PLACE DECIMALS ± .010 [.25mm] EXCEPT AS NOTED.
2. MAX. IS LARGEST DIMENSION ALLOWED.
3. DIMENSIONS = INCHES [mm]
4. METRIC EQUIVALENTS ARE TO THE NEAREST .01 mm.
Crane Aerospace & Electronics
Microwave Solutions – Merrimac Industries
41 Fairfield Place, West Caldwell, NJ 07006
+ 1.973.575.1300 ext. 1309 • mw@crane-eg.com
www.craneae.com/mw
*.100 TYP.
[2.54]
*.080 TYP.
[2.03]
5
*.050 ± 0.015
[1.27 ± 0.381]
5. ALL LEADS TO BE WITHIN ±.010 [.25mm] OF EACH OTHER AT THIS DIMENSION.
6. DIMENSIONS MARKED WITH * APPLY ONLY AT BODY.
7. ALL UNMARKED PINS ARE CASE GROUND.
CRF-10A-250 SQ - Rev. 1, 04/18/2002
DS_Dir Coupler_CRF10A250SQ_041802.doc. This revision supersedes all previous releases. All technical information is believed to be accurate,
but no responsibility is assumed for errors. We reserve the right to make changes in products or specifications without notice. Copyright © 2012
Crane Electronics, Inc. All rights reserved.