Certificate No. 3875

Directional Couplers Broadband

  • 0.5 - 18.0 GHz
  • Miniature Size
  • High Directivity
  • Low VSWR
  • RF Shielded
  • Robust Construction

Model No Freq. GHz Coupling (1) dB Freq. sensitivity dB Insertion Loss Directivity dB min VSWR Pri. Line Sec. Line Power Fig.
Excl. coupled power True Avg. incident (watts) Avg. reflected (watts) Peak (kW)
A2023-6 0.5-2.0 6 ± 1.00 ± 0.75 0.35 2 23 1.2 1.2 50 2 3 1
A2023-10 0.5-2.0 10 ± 1.00 ± 0.75 0.35 0.9 23 1.2 1.2 50 5 3 1
A2023-20 0.5-2.0 20 ± 1.00 ± 0.75 0.35 0.4 23 1.2 1.2 50 50 3 2
A4224-10 0.6-4.0 10 ± 1.00 ± 0.75 0.4 0.9 18 1.25 1.3 50 5 3 10
A2034-6 1.0-4.0 6 ± 1.00 ± 0.50 0.35 2 23 1.2 1.2 50 2 3 3
A2034-10 1.0-4.0 10 ± 1.00 ± 0.50 0.35 0.9 23 1.2 1.2 50 5 3 3
A2034-20 1.0-4.0 20 ± 1.00 ± 0.50 0.4 0.45 23
 1.2 1.2 50 50 3 4
            1-12.4  12.4-18            
A4238-10 1.0-18.0 10 ± 1.00 ± 0.50 0.9 1.5 15      12 1.4 1.5 25 5 3 11
A4238-16 1.0-18.0 16 ± 1.00 ± 0.50 0.8 0.9 15      12 1.4 1.5 25 20 3 12
A4238-20 1.0-18.0 20 ± 1.00 ± 0.50 0.8 0.9 15      12 1.4 1.5 25 25 3 12
A2045-6 2.0-8.0 6 ± 1.00 ± 0.30 0.5 2.2 20 1.25 1.25 50 2 3 5
A2045-10 2.0-8.0 10 ± 1.00 ± 0.30 0.35 1 20 1.25 1.25 50 5 3 5
A2045-20 2.0-8.0 20 ± 1.00 ± 0.40 0.4 0.45 20
 1.25 1.25 50 50 3 6
            2-12.4  12.4-18            
A4248-6 2.0-18.0 6 ± 1.00 ± 0.50 0.9 2 15      12 1.4 1.5 25 2 3 13
A4248-10 2.0-18.0 10 ± 1.00 ± 0.50 0.8 1.3 15      12 1.4 1.5 25 5 3 13
A4248-16 2.0-18.0 16 ± 1.00 ± 0.50 0.8 0.9 15      12 1.35 1.4 25 20 3 14
A4248-20 2.0-18.0 20 ± 1.00 ± 0.50 0.8 0.9 15      12 1.35 1.4 25 25 3 14
A2056-6 4.0-12.4 6 ± 1.00 ± 0.30 0.5 2.2 17 1.3 1.3 50 2 3 7
A2056-10 4.0-12.4 10 ± 1.00 ± 0.30 0.5 1.2 17 1.3 1.3 50 5 3 7
A2056-20 4.0-12.4 20 ± 1.00 ± 0.40 0.5 0.55 17
 1.3 1.3 50 50 3 8
            4-12.4  12.4-18            
A4258-6 4.0-18.0 6 ± 1.00 ± 0.50 0.9 2 15      12 1.35 1.4 25 2 3 15
A4258-10 4.0-18.0 10 ± 1.00 ± 0.50 0.8 1 15      12 1.35 1.4 25 5 3 15
A4258-20 4.0-18.0 20 ± 1.00 ± 0.50 0.6 0.7 15      12 1.4 1.4 25 25 3 16
A2068-10 7.0-18.0 10 ± 1.25 ± 0.75 0.6 1.1 15 1.35 1.4 50 5 3 9

(1) Includes frequency sensitivity    (2) Coupling relative to output power    (3) 2-56NC-2B x 0.12 deep


 General Specifications
 Design Stripline
 Circuit PTFE Based
 Housing Aluminium
 Connectors SMA to MIL-C-39012
N & TNC Optional
 Temperature -55 +105C
 Finish Paint

FIG. A B C D E F G H I J
1 3.60 (91.5) 0.53 (13.5) 0.38 (9.7) 2.60 (66.0) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
2 3.60 (91.5) 0.60 (15.2) 0.38 (9.7) 2.60 (66.0) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
3 2.90 (73.7) 0.68 (17.3) 0.38 (9.7) 2.00 (50.8) N/A 0.34 (8.6) 0.15 (3.8) 0.15 (3.8) N/A N/A
4 2.90 (73.7) 0.60 (15.2) 0.38 (9.7) 2.00 (50.8) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
5 1.78 (45.2) 0.68 (17.3) 0.38 (9.7) 0.88 (22.4) N/A 0.34 (8.6) 0.15 (3.8) 0.15 (3.8) N/A N/A
6 1.88 (47.8) 0.60 (15.2) 0.38 (9.7) 1.00 (25.4) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
7 1.22 (31.0) 0.55 (14.0) 0.38 (9.7) 0.38 (9.7) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
8 1.22 (31.0) 0.60 (15.2) 0.38 (9.7) 0.38 (9.7) N/A 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
9 1.00 (25.4) 0.50 (12.7) 0.38 (9.7) N/A 0.50 (12.7) 0.22 (5.6) 0.07 (1.8) 0.12 (3.0) N/A N/A
10 4.40 (111.8) 0.60 (15.2) 0.38 (9.7) 3.40 (86.4) N/A 0.24 (6.1) 0.07 (1.8) 0.12 (3.0) N/A N/A
11 3.47 (88.1) 0.70 (17.8) 0.38 (9.7) 2.00 (50.8) N/A 0.26 (6.6) 0.10 (2.5) 0.12 (3.0) N/A N/A
12 3.47 (88.1) 0.70 (17.8) 0.50 (12.7) 2.00 (50.8) N/A 0.26 (6.6) 0.10 (2.5) 0.12 (3.0) -3 0.34 (8.6)
13 2.10 (53.3) 0.70 (17.8) 0.38 (9.7) 1.00 (25.4) N/A 0.26 (6.6) 0.10 (2.5) 0.12 (3.0) N/A N/A
14 2.09 (53.1) 0.70 (17.8) 0.50 (12.7) 1.00 (25.4) N/A 0.26 (6.6) 0.10 (2.5) 0.12 (3.0) -3 0.34 (8.6)
15 1.36 (34.5) 0.60 (15.2) 0.38 (9.7) 0.50 (12.7) N/A 0.26 (6.6) 0.09 (2.3) 0.12 (3.0) N/A N/A
16 1.36 (34.5) 0.66 (16.8) 0.38 (9.7) 0.50 (12.7) N/A 0.26 (6.6) 0.09 (2.3) 0.12 (3.0) N/A N/A

All dimensions are in inches (mm).

Custom frequency ranges, specifications and configurations are also available.

Specification Temperature +25C


We reserve the right to change standard product specifications without notice but will be pleased to consider control drawings for quotation.