Directional Coupler
Typical Performance Data
(MHz)
(dB)
(dB)
(dB)
5
1.06
8.78
20.88
19.79
30.97
19.72
10
1.05
8.78
20.95
20.03
31.85
19.96
15
1.04
8.78
21.01
20.23
32.52
20.15
20
1.04
8.78
21.01
20.28
32.57
20.20
25
1.05
8.79
21.02
20.33
32.58
20.23
50
1.06
8.80
20.95
20.50
32.20
20.35
1.07
8.83
20.74
20.73
31.51
20.46
1.08
8.85
20.48
20.86
30.93
20.40
1.09
8.85
20.17
20.90
30.41
20.22
1.10
8.85
19.85
20.92
29.88
19.92
1.11
8.85
19.48
20.91
29.30
19.53
1.12
8.85
19.07
20.78
28.84
19.06
1.13
8.84
18.63
20.75
28.36
18.56
1.14
8.83
18.18
20.59
27.85
18.03
1.15
8.83
17.75
20.46
27.24
17.49
1.17
8.81
17.30
20.28
26.67
16.95
1.18
8.80
16.83
20.13
26.19
16.39
1.20
8.79
16.37
19.93
25.61
15.86
1.22
8.78
15.93
19.66
24.98
15.35
1.25
8.77
15.51
19.39
24.43
14.85
1.27
8.75
15.08
19.13
23.90
14.36
1.29
8.74
14.68
18.87
23.39
13.89
1.33
8.73
14.28
18.53
22.77
13.45
1.36
8.72
13.90
18.20
22.13
13.02
1000
1.40
8.71
13.56
17.87
21.66
12.60
1050
1.43
8.70
13.18
17.55
21.15
12.21
1100
1.47
8.69
12.82
17.22
20.58
11.85
1150
1.51
8.68
12.48
16.84
20.05
11.49
1200
1.56
8.67
12.15
16.49
19.49
11.15
1250
1.61
8.66
11.82
16.15
19.01
10.84
1300
1.67
8.65
11.49
15.79
18.47
10.55
1400
1.79
8.62
10.87
15.12
17.49
10.01
1500
1.94
8.59
10.27
14.44
16.47
9.55
1600
2.09
8.56
9.68
13.84
15.58
9.13
1700
2.27
8.52
9.15
13.23
14.68
8.78
1800
2.47
8.47
8.65
12.68
13.91
8.48
1900
2.70
8.43
8.18
12.15
13.07
8.23
2000
2.96
8.37
7.72
11.66
12.43
8.03
2100
3.24
8.31
7.32
11.22
11.76
7.86
2200
3.55
8.25
6.94
10.80
11.13
7.72
2300
3.89
8.20
6.62
10.42
10.58
7.62
2400
4.27
8.14
6.36
10.10
10.04
7.54
2500
4.69
8.09
6.15
9.83
9.56
7.48
2600
5.13
8.03
6.00
9.63
9.11
7.47
2700
5.59
7.99
5.91
9.49
8.73
7.47
2800
6.10
7.95
5.87
9.46
8.32
7.51
2900
6.62
7.94
5.85
9.53
8.00
7.59
3000
7.17
7.93
5.90
9.76
7.71
7.74
3100
7.74
7.95
5.96
10.16
7.41
7.93
3200
8.33
7.99
6.05
10.78
7.16
8.21
3300
8.95
8.08
6.10
11.72
6.93
8.60
3400
9.62
8.20
6.13
13.04
6.69
9.07
3500
10.32
8.38
6.08
14.84
6.48
9.67
IN OUT CPL
(dB)
TEST CONDITIONS: INPUT POWER =0 dBm @Temperature = +25°C
DBTC-9-4+
FREQUENCY DIRECTIVITY
INSERTION
LOSS
COUPLING
LOSS
RETURN LOSS
REV. X1
DBTC-9-4+
081110
Page 1 of 3
Directional Coupler
Typical Performance Data
(MHz)
(dB)
(dB)
(dB)
5
1.22
8.89
20.07
17.80
24.24
17.62
10
1.11
8.81
20.30
19.05
26.74
18.80
15
1.02
8.75
20.49
20.05
28.75
19.77
20
1.00
8.74
20.55
20.33
29.31
20.08
25
0.99
8.74
20.61
20.52
29.62
20.30
50
0.98
8.74
20.72
20.84
29.10
20.89
0.98
8.75
20.70
21.41
29.01
20.96
0.99
8.76
20.50
21.73
29.31
20.66
0.99
8.76
20.14
21.48
28.34
20.60
1.00
8.77
19.75
21.52
28.28
20.12
1.01
8.76
19.35
21.36
27.80
19.68
1.02
8.75
18.95
21.16
27.47
19.23
1.03
8.75
18.54
21.16
27.30
18.65
1.04
8.74
18.10
20.92
26.83
18.17
1.05
8.72
17.67
20.81
26.50
17.62
1.06
8.71
17.23
20.55
25.90
17.06
1.07
8.69
16.78
20.38
25.63
16.52
1.09
8.67
16.34
20.28
25.41
15.98
1.10
8.66
15.92
20.01
24.83
15.51
1.12
8.64
15.50
19.75
24.41
15.02
1.14
8.62
15.06
19.42
23.87
14.54
1.16
8.61
14.63
19.11
23.41
14.07
1.19
8.59
14.22
18.79
23.00
13.60
1.21
8.57
13.84
18.47
22.43
13.16
1000
1.24
8.55
13.50
18.18
22.08
12.70
1050
1.27
8.54
13.11
17.81
21.52
12.29
1100
1.30
8.53
12.74
17.42
20.96
11.93
1150
1.34
8.51
12.39
17.00
20.40
11.54
1200
1.38
8.50
12.07
16.59
19.78
11.17
1250
1.42
8.48
11.75
16.32
19.49
10.86
1300
1.47
8.46
11.43
15.97
18.84
10.54
1400
1.58
8.43
10.79
15.12
17.79
9.98
1500
1.70
8.39
10.17
14.47
16.95
9.49
1600
1.85
8.35
9.62
13.66
15.56
9.03
1700
2.02
8.31
9.10
13.08
14.84
8.64
1800
2.20
8.26
8.61
12.45
13.96
8.27
1900
2.43
8.20
8.14
11.82
13.00
8.00
2000
2.67
8.15
7.68
11.28
12.35
7.74
2100
2.94
8.10
7.27
10.69
11.50
7.53
2200
3.22
8.04
6.87
10.35
11.31
7.37
2300
3.58
7.96
6.59
9.92
10.39
7.20
2400
3.95
7.90
6.29
9.55
9.95
7.06
2500
4.37
7.86
6.03
9.07
9.42
7.01
2600
4.82
7.79
5.90
8.92
8.94
6.93
2700
5.29
7.74
5.80
8.67
8.59
6.90
2800
5.83
7.71
5.81
8.51
8.01
6.86
2900
6.36
7.68
5.88
8.63
7.67
6.85
3000
6.89
7.65
5.98
8.89
7.42
6.99
3100
7.50
7.63
6.11
9.30
7.00
7.25
3200
8.06
7.69
6.23
9.88
6.86
7.48
3300
8.66
7.79
6.35
10.77
6.60
7.81
3400
9.31
7.95
6.45
11.98
6.36
8.23
3500
9.97
8.16
6.50
13.84
6.12
8.87
TEST CONDITIONS: INPUT POWER =0 dBm @Temperature = -40°C
DBTC-9-4+
FREQUENCY DIRECTIVITY
INSERTION
LOSS
COUPLING
LOSS
RETURN LOSS
IN OUT CPL
(dB)
REV. X1
DBTC-9-4+
081110
Page 2 of 3