Directional Coupler
50Ω
Maximum Ratings
Operating Temperature
Storage Temperature
Coaxial
ZFDC-10-1+
ZFDC-10-1
1 to 500 MHz
-55°C to 100°C
-55°C to 100°C
Features
• excellent directivity, 33 dB typ.
• excellent insertion loss, 0.8 dB typ.
• rugged shielded case
BNC version shown
CASE STYLE: K18
Connectors Model
BNC
ZFDC-10-1(+)
SMA
ZFDC-10-1-S(+)
N-TYPE
ZFDC-10-1-N(+)
BRACKET (OPTION"B")
Price
$44.95
$49.95
$49.95
$2.50
Qty.
(1-9)
(1-9)
(1-9)
(1+)
Coaxial Connections
INPUT
OUTPUT
COUPLED
1
2
3
Applications
• VHF/UHF
• instrumentation
• communication receivers & transmitters
+ 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.
Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
RANGE
(MHz)
f
L
-f
U
1-500
COUPLING
(dB)
L
Nom.
10.5±0.25
Flatness
±0.6
MAINLINE LOSS
1
DIRECTIVITY
(dB)
U
L
Min.
25
Typ.
33
M
Min.
25
Typ.
22
U
Min.
15
VSWR
(:1)
POWER
INPUT
(W)
L
MU
Max.
3.0
Max.
1.5
M
Typ. Max. Typ. Max. Typ. Max. Typ.
1.0
1.3
0.8
1.1
1.0
1.3
32
Typ.
1.2
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2]
U= upper range [f
U
/2 to f
U
]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
Outline Dimensions (
inch
)
mm
A
1.25
31.75
B
1.25
31.75
C
.75
19.05
D
.63
16.00
E
.38
9.65
F
1.00
25.40
G
.125
3.18
H
1.000
25.40
1.00
5.00
9.00
67.00
143.00
220.00
270.00
330.00
405.00
500.00
0.97
0.78
0.76
0.77
0.76
0.76
0.80
0.83
0.86
0.85
10.47
10.32
10.31
10.34
10.40
10.49
10.62
10.74
10.90
11.04
58.25
57.52
57.51
46.55
38.96
33.22
30.12
27.02
23.63
20.05
25.76
32.88
33.62
30.69
26.28
23.55
22.35
21.34
20.56
20.16
18.55
20.94
21.25
21.30
20.66
19.85
19.32
18.68
18.03
17.44
19.10
21.28
21.54
21.61
21.32
20.86
20.45
19.89
19.15
18.20
J
--
--
K
--
--
L
.125
3.18
M
1.688
42.88
N
2.18
55.37
P
.75
19.05
Q
wt
.07 grams
70.0
1.78
ZFDC-10-1
MAINLINE LOSS
1.5
MAINLINE LOSS (dB)
1.3
1.1
0.9
0.7
0.5
0
100
200
300
FREQUENCY (MHz)
400
500
at RF level of -10 dBm
ZFDC-10-1
COUPLING & DIRECTIVITY
100
COUPLING & DIRECTIVITY
(dB)
80
60
40
20
0
0
100
200
300
FREQUENCY (MHz)
400
500
at RF level of -10 dBm
COUPLING
DIRECTIVITY
ZFDC-10-1
RETURN LOSS
50
RETURN LOSS (dB)
42
34
26
18
10
0
100
200
300
FREQUENCY (MHz)
400
500
at RF level of -10 dBm
electrical schematic
CPL
IN
OUT
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. A
M98898
ZFDC-10-1
WZ/TD/CP
060802
Mini-Circuits
ISO 9001 & ISO 14001
Certified
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