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CBG-20B-1250 Datasheet(PDF) 1 Page - Merrimac Industries, Inc.

Part # CBG-20B-1250
Description  3-PORT DIRECTIONAL COUPLERS
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Manufacturer  MERRIMAC [Merrimac Industries, Inc.]
Direct Link  http://www.merrimacind.com
Logo MERRIMAC - Merrimac Industries, Inc.

CBG-20B-1250 Datasheet(HTML) 1 Page - Merrimac Industries, Inc.

  CBG-20B-1250 Datasheet HTML 1Page - Merrimac Industries, Inc.  
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Surface Mount
B-Package Outline
GENERAL SPECIFICATIONS
Impedance:
50
Ω nom.
CW Input:
1 W max.
Weight, nominal:
0.1 oz (2.8 g)
Operating Temperature:
-- 55° to +85°C
General Notes:
1. Directional couplers find applications in monitoring of incident and reflected power,
sampling for control loops as well as signal injection devices in BITE systems.
2. These Directional Couplers are 3 port devices with one port internally terminated.
They also may be used back-to-back as Dual Directional Couplers, or ordered with
both coupled ports available, as Bi-Directional Couplers in the CRG-B series.
3. Optional performance characteristics for this series include frequencies up to 2.5
GHz, coupling from 5 to 30 dB, close tolerance coupling and more.
PRINCIPAL SPECIFICATIONS
Frequency
Performance
¤ Coupling
Frequency
Directivity,
*Insertion
Model
Range,
Bandwidth,
dB,
Sensitivity,
dB,
Loss, dB, VSWR
Number
MHz
MHz
Nom.
dB, Max.
Min.
Max.
Max.
CBG-10B-375
5 - 750
5 - 750
10
± 1.0
± 0.5
20
1.3
1.5:1
CBG-20B-375
5 - 750
5 - 750
20
± 1.0
± 0.75
18
1.0
1.5:1
10 - 400
20
± 1.0
± 0.5
20
0.6
1.3:1
CBG-11B-1250 100 - 2000
100 - 2000
11
± 1.0
± 0.5
15
1.5
1.7:1
500 - 1000
11
± 1.0
± 0.5
15
1.2
1.5:1
CBG-20B-1250 100 - 2000
100 - 2000
20
± 1.0
± 0.5
15
1.5
1.7:1
500 - 1000
20
± 1.0
± 0.5
15
1.2
1.5:1
¤ Coupling is Referenced to the Input
* Insertion Loss excludes Coupling Loss
CBG-B Series
3-PORT DIRECTIONAL COUPLERS
5 to 2000 MHz / 10 dB & 20 dB Models / Multi-Octave Units / Low Profile Surface Mount Package
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
±.010(.25) except as noted.
2. Dimensions in inches over millimeters.
3. Dimensions marked with * apply only at body.
4. All unmarked pins are case ground.
26Apr96
Pin
Function
1
Input
2
Output
3
Internal Termination
4
Forward Coupling


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