Directional Coupler
ZFDC-15-6-75
Frequency
MHz
Coupling
dB
Mainline Loss
dB
Directivity
dB
VSWR
(:1)
Power
INPUT, W
L
M
U
L
M
U
L
MU
f - f
Nom.
Flatness
Typ.
1.30
L
U
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
Max. Max
0.02-35 14.5±0.50
±0.5
0.30 0.70 0.30 0.70 0.30 0.70 35 20 35 20 35 20
1.5 4.0
L=low range(f to 10f ) M=mid range(10f to f /2) U=upper range(f /2 to f )
L
L
L
U
U
U
Notes:
Pin Connections
Mainline Loss includes theoretical power loss at coupled port.
Coupled Coupled
(forward) (reverse)
•
•
•
Port
db
Input
1
Output
2
Denotes 75 ohm model, for coax connector models 75 ohm BNC connectors are standard.
3
-
General Quality Control Procedures and Environmental Specifications are given in Mini-
Circuits Guarantees Quality.
Not Used Case GND Termination GND
-
-
-
-
Hi-Rel, MIL description are given in Hi-Rel and MIL
Prices and Specifications subjects to change without notice.
•
Return Loss (dB)
In Out CPL
FREQ I. Loss (dB) Coupling (dB)
Directivity (dB)
(MHz)
In-Out
In-CPL
0.02
0.03
0.23
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.21
0.20
0.21
0.21
0.21
0.21
0.21
0.21
0.22
0.22
0.22
0.22
0.22
0.22
0.22
0.21
0.24
14.42
14.42
14.40
14.39
14.39
14.40
14.41
14.41
14.42
14.42
14.43
14.41
14.43
14.44
14.47
14.47
14.46
14.48
14.45
14.46
14.51
14.52
14.49
14.50
14.54
14.58
62.37
46.17
56.85
59.67
58.36
61.57
63.04
64.69
67.81
61.32
67.79
60.51
59.45
55.50
55.05
51.68
51.45
50.83
47.80
47.22
45.80
44.42
43.44
42.39
41.17
40.26
27.78 25.79 26.80
31.64 28.72 29.18
35.48 29.78 30.61
39.19 31.19 31.33
40.93 30.81 31.21
40.03 31.35 31.70
37.55 30.65 29.90
36.56 30.90 29.06
35.20 31.26 28.07
34.72 31.11 27.02
34.25 31.39 25.84
33.41 31.20 24.84
33.28 31.09 23.84
32.45 30.69 23.03
31.86 30.99 22.29
31.57 30.60 21.40
31.27 30.84 20.68
30.72 30.94 20.12
30.39 31.05 19.60
30.20 30.83 19.08
29.67 30.71 18.57
29.27 30.89 18.11
28.99 30.42 17.57
28.81 30.16 17.11
28.61 30.38 16.80
28.43 30.13 16.34
0.04
0.06
0.08
0.10
1.00
Case Style - K18 (inch,mm ) weight: 70 grams.
2.00
A
B
C
D
E
F
G
H
J
3.00
1.25
1.25
.75
.63
.38 1.000 .125 1.000
31.750 31.750 19.050 16.002 9.652 25.400 3.175 25.400
4.00
K
L
M
N
P
Q
R
S
T
5.00
.125 1.688
2.18
.75
.07
6.00
3.175 42.875 55.372 19.050 1.778
7.00
Tolerance: .x ± .1 .xx ± .03 .xxx ± .015 inch.
Material and Finish:
Case material: aluminum alloy. Finish: grey paint or yellow
iridite.
8.00
9.00
Mounting bracket finish: iridite or clear anodize.
10.00
11.00
12.00
13.00
14.00
15.00
16.00
17.00
18.00
19.00
20.00
Mounting:
Mounting bracket available on request. Add suffix B to part
number.
Marking:
For port markings 1, 2, and 3 see specification data sheet.
Connectors:
Connectors: please specify, unless otherwise noted; BNC is
standard, TNC, SMA and Type N, consult factory. (ZAPD -4
units not available with BNC).
For Bracket Version, Option B, this dimension, "C*", changes
from 0.75 to 0.94 inches when connectors are type N or TNC.