Coaxial
ZFDC-10-1+
ZFDC-10-1
Directional Coupler
50Ω
1 to 500 MHz
Features
Maximum Ratings
BNC version shown
Operating Temperature
-55°C to 100°C
-55°C to 100°C
• excellent directivity, 33 dB typ.
• excellent insertion loss, 0.8 dB typ.
• rugged shielded case
CASE STYLE: K18
Storage Temperature
Connectors Model
Price
Qty.
(1-9)
(1-9)
(1-9)
(1+)
BNC
SMA
N-TYPE
ZFDC-10-1(+)
ZFDC-10-1-S(+)
ZFDC-10-1-N(+)
$44.95
$49.95
$49.95
$2.50
Coaxial Connections
INPUT
1
2
3
BRACKET (OPTION"B")
Applications
OUTPUT
COUPLED
• VHF/UHF
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
• instrumentation
• communication receivers & transmitters
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
Outline Drawing
L
M
U
L
M
U
L
MU
fL-fU
Nom.
Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
±0.6 1.0 1.3 0.8 1.1 1.0 1.3 32 25 33 25 22 15
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Typ.
1.2
Max. Max.
1-500
10.5±0.25
1.5
3.0
L = low range [fL to 10 fL]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
1.00
5.00
9.00
67.00
143.00
0.97
0.78
0.76
0.77
0.76
10.47
10.32
10.31
10.34
10.40
58.25
57.52
57.51
46.55
38.96
25.76
32.88
33.62
30.69
26.28
18.55
20.94
21.25
21.30
20.66
19.10
21.28
21.54
21.61
21.32
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
H
1.25
1
.25
.
75
.
63
.
38
1
.00
.
125
1
.000
220.00
270.00
330.00
405.00
500.00
0.76
0.80
0.83
0.86
0.85
10.49
10.62
10.74
10.90
11.04
33.22
30.12
27.02
23.63
20.05
23.55
22.35
21.34
20.56
20.16
19.85
19.32
18.68
18.03
17.44
20.86
20.45
19.89
19.15
18.20
31.75 31.75 19.05 16.00
9.65 25.40
3.18 25.40
J
K
L
M
N
P
75
Q
wt
-
-
-
-
.
125
1
.688
2.18
.
.
07
grams
--
--
3.18 42.88 55.37 19.05
1.78
7
0.0
ZFDC-10-1
MAINLINE LOSS
ZFDC-10-1
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
1.5
1.3
1.1
0.9
0.7
0.5
100
80
60
40
20
0
COUPLING
DIRECTIVITY
0
100
200
300
400
500
0
100
200
300
400
500
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFDC-10-1
RETURN LOSS
electrical schematic
at RF level of -10 dBm
50
42
34
26
18
10
IN
OUT
CPL
0
100
200
300
400
500
FREQUENCY (MHz)
REV. A
M98898
ZFDC-10-1
WZ/TD/CP
060802
®
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