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CBF-20A-1250SQ Datasheet(PDF) 1 Page - Merrimac Industries, Inc.

Part No. CBF-20A-1250SQ
Description  DIRECTIONAL COUPLERS
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Maker  MERRIMAC [Merrimac Industries, Inc.]
Homepage  http://www.merrimacind.com
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CBF-20A-1250SQ Datasheet(HTML) 1 Page - Merrimac Industries, Inc.

   
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DIRECTIONAL COUPLERS
CBF-20A-1250 SQ
Merrimac Industries, RF & Microwave Products Division / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 973.575.1300 / Fax: 973.575.0531 / Internet: www.Merrimacind.com
TECHNICAL DESCRIPTION / APPLICATION
• SPACE QUALIFIED
• 100 - 2000 MHz DIRECTIONAL COUPLER
• INTERNALLY TERMINATED REVERSE PORT
PACKAGE OUTLINE
.385 ± 0.020
[9.78 ± .508]
*.350 TYP.
[8.89]
*.250 TYP.
[6.35]
.150 MAX.
[3.81]
*.100 TYP.
[2.54]
*.080 TYP.
[2.03]
*.050 ± 0.015
[1.27 ± 0.381]
*.015 ± 0.005
[0.38 ± 0.127]
TYP. 8 PINS
.510 ± 0.020
[12.94 ± 0.508]
.312 ± .030
[7.92 ± 0.76]
(TYP)
5
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.
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.
REV: 001, 04/18/02
MODEL
NUMBER
FREQUENCY
RANGE
COUPLING
INSERTION LOSS
dB
DIRECTIVITY
dB
VSWR
MHz
dB
MAX.
MIN.
MAX.
CBF-20A-1250 SQ
100 - 2000
20 ± 1
1.5
18
1.7:1
FREQUENCY SENSITIVITY
dB
CW POWER RATING
MAIN LINE
MAX.
WEIGHT
MAX.
MAX.
± 0.5
1 WATT
2.8 g
GENERAL SPECIFICATIONS
The CBF-20A-1250 SQ Directional Coupler covers 100 - 2000 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”.


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