30 dB Directional Couplers from 0.5 to 40 GHz
Pulsar Microwave's CS30 series single directional couplers operate at narrow and wideband frequencies within 500 MHz to 40 GHz. They have a nominal coupling value of 30 dB, with tolerances of +/- 1 to 1.25 dB. These directional couplers are rated at 50 watts maximum input power. These couplers are optimized for best matching and high directivity with flat coupling response. They come standard with SMA or N female connectors.
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0.5-1 GHz 30 dB Directional Coupler - SMA

CS30-01-436/3
Frequency Range:
0.5-1 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
25
dB min.
VSWR:
1.20:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
0.5-1 GHz 30 dB Directional Coupler - Type-N

CS30-01-436/3N
Frequency Range:
0.5-1 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
22
dB min.
VSWR:
1.20:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
1-2 GHz 30 dB Directional Coupler - Type-N

CS30-03-436/7N
Frequency Range:
1-2 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
20
dB min.
VSWR:
1.10:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
1-2 GHz 30 dB Directional Coupler - SMA

CS30-03-436/8
Frequency Range:
1-2 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
25
dB min.
VSWR:
1.10:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
0.8-2.5 GHz 30 dB Directional Coupler - SMA

CS30-22-436/3
Frequency Range:
0.8-2.5 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.70 dB max.
Insertion Loss:
0.40 dB max.
Directivity:
20
dB min.
VSWR:
1.20:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
1-4 GHz 30 dB Directional Coupler - SMA

CS30-04-436/13
Frequency Range:
1-4 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.40 dB max.
Directivity:
22
dB min.
VSWR:
1.20:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
2-4 GHz 30 dB Directional Coupler - SMA

CS30-05-436/11
Frequency Range:
2-4 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
22
dB min.
VSWR:
1.15:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
2-4 GHz 30 dB Directional Coupler - Type-N

CS30-05-436/11N
Frequency Range:
2-4 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
18
dB min.
VSWR:
1.15:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
3.6-4.2 GHz 30 dB Directional Coupler - SMA

CS30-06-435/3
Frequency Range:
3.6-4.2 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
3.6-4.2 GHz 30 dB Directional Coupler - Type-N

CS30-06-436/1N
Frequency Range:
3.6-4.2 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
18
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
2.6-5.2 GHz 30 dB Directional Coupler - SMA

CS30-07-435/3
Frequency Range:
2.6-5.2 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
20
dB min.
VSWR:
1.25:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
2.6-5.2 GHz 30 dB Directional Coupler - Type-N

CS30-07-436/11N
Frequency Range:
2.6-5.2 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.20 dB max.
Directivity:
18
dB min.
VSWR:
1.25:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
5.8-6.4 GHz 30 dB Directional Coupler - SMA

CS30-08-435/3
Frequency Range:
5.8-6.4 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
5.8-6.4 GHz 30 dB Directional Coupler - Type-N

CS30-08-436/11N
Frequency Range:
5.8-6.4 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
18
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
4-8 GHz 30 dB Directional Coupler - SMA

CS30-10-435/3
Frequency Range:
4-8 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.25 dB max.
Directivity:
20
dB min.
VSWR:
1.30:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
4-8 GHz 30 dB Directional Coupler - Type-N

CS30-10-436/11N
Frequency Range:
4-8 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.25 dB max.
Directivity:
17
dB min.
VSWR:
1.30:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
7.2-8.5 GHz 30 dB Directional Coupler - SMA

CS30-11-435/3
Frequency Range:
7.2-8.5 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
7.2-8.5 GHz 30 dB Directional Coupler - Type-N

CS30-11-436/11N
Frequency Range:
7.2-8.5 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.30 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
7-12.4 GHz 30 dB Directional Coupler - SMA

CS30-12-435/3
Frequency Range:
7-12.4 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.30 dB max.
Directivity:
17
dB min.
VSWR:
1.30:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
7-12.4 GHz 30 dB Directional Coupler - Type-N

CS30-12-436/11N
Frequency Range:
7-12.4 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.30:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
7.5-16 GHz 30 dB Directional Coupler - SMA

CS30-13-435/3
Frequency Range:
7.5-16 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
7.5-16 GHz 30 dB Directional Coupler - Type-N

CS30-13-436/11N
Frequency Range:
7.5-16 GHz
Coupling:
30.0 ± 1.25 dB
Coupling Flatness:
±0.75 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
13
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
0.5-18 GHz 30 dB Directional Coupler - SMA

CS30-23-436/20
Frequency Range:
0.5-18 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±1.00 dB max.
Insertion Loss:
0.90 dB max.
Directivity:
0.5-12 GHz: 15
dB min.
12-18 GHz: 12 dB min.
12-18 GHz: 12 dB min.
VSWR:
1.50:1 max.
Input Power:
25 watts max.
Reflected Power:
25 watts max.
Connector Type:
SMA
1-18 GHz 30 dB Directional Coupler - SMA

CS30-18-436/16
Frequency Range:
1-18 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.80 dB max.
Directivity:
1.0-12 GHz: 15
dB min.
12-18 GHz: 12 dB min.
12-18 GHz: 12 dB min.
VSWR:
1.50:1 max.
Input Power:
25 watts max.
Reflected Power:
25 watts max.
Connector Type:
SMA
2-18 GHz 30 dB Directional Coupler - SMA

CS30-15-436/13
Frequency Range:
2-18 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.80 dB max.
Directivity:
2.0-12 GHz: 15
dB min.
12-18 GHz: 12 dB min.
12-18 GHz: 12 dB min.
VSWR:
1.50:1 max.
Input Power:
25 watts max.
Reflected Power:
25 watts max.
Connector Type:
SMA
12.4-18 GHz 30 dB Directional Coupler - SMA

CS30-17-435/3
Frequency Range:
12.4-18 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
15
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
SMA
12.4-18 GHz 30 dB Directional Coupler - Type-N

CS30-17-436/11N
Frequency Range:
12.4-18 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.50 dB max.
Insertion Loss:
0.50 dB max.
Directivity:
12
dB min.
VSWR:
1.40:1 max.
Input Power:
50 watts max.
Reflected Power:
50 watts max.
Connector Type:
N
6-27 GHz 30 dB Directional Coupler - 2.92mm

CS30-50-435/4
Frequency Range:
6-27 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±0.80 dB max.
Insertion Loss:
0.60 dB max.
Directivity:
14 dB Typ.
dB min.
13 dB Min. dB min.
13 dB Min. dB min.
VSWR:
1.50:1 max.
Input Power:
25 watts max.
Connector Type:
2.92
6-40 GHz 30 dB Directional Coupler - 2.92mm

CS30-51-435/4
Frequency Range:
6-40 GHz
Coupling:
30.0 ± 1.00 dB
Coupling Flatness:
±1.00 dB max.
Insertion Loss:
1.20 dB max.
Directivity:
12
dB min.
VSWR:
1.70:1 max.
Input Power:
25 watts max.
Connector Type:
2.92
- Insertion loss does not include coupling loss.
- Input power is specified for load VSWR better than 1.20:1.