Coaxial
Directional Coupler
ZFDC-10-6+
50Ω
0.005 to 20 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Features
BNC version shown
• excellent directivity, 40 dB typ.
-55°C to 100°C
-55°C to 100°C
CASE STYLE: K18
• excellent mainline loss, 0.4 dB typ.
• rugged shielded case
Connectors Model
Permanent damage may occur if any of these limits are exceeded.
BNC
ZFDC-10-6+
SMA
N-TYPE
BRACKET (OPTION"B")
ZFDC-10-6-S+
ZFDC-10-6-N+
Coaxial Connections
Applications
• hf communications
• amateur radio
INPUT
1
2
3
OUTPUT
COUPLED
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• instrumentation
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
Outline Drawing
(dB)
L
M
U
L
M
U
L
MU
fL-fU
Nom.
Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
±0.5 0.4 1.2 0.4 0.8 0.4 1.0 40 30 40 30 35 25
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Typ.
1.3
Max. Max.
0.005-20
11±0.5
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
0.01
0.02
0.04
0.08
1.00
0.57
0.38
0.37
0.37
0.37
11.62
11.38
11.35
11.35
11.38
37.96
37.78
37.90
38.01
38.03
15.36
24.50
27.12
28.29
28.63
15.23
24.12
26.69
27.60
27.94
13.92
23.93
28.00
30.23
31.20
inch
Outline Dimensions (
)
mm
A
1.25
B
1.25
C
.75
D
.63
E
.38
F
1.00
G
H
6.00
11.00
14.00
18.00
20.00
0.38
0.39
0.39
0.40
0.42
11.35
11.39
11.34
11.32
11.35
37.01
35.31
34.01
32.11
31.17
27.34
25.93
25.06
23.88
23.31
27.57
26.30
25.41
24.18
23.60
31.48
30.52
29.71
28.49
27.88
.125 1.000
3.18 25.40
31.75 31.75 19.05 16.00
9.65 25.40
J
--
--
K
--
--
L
M
N
2.18
P
.75
Q
wt
.07 grams
1.78 70.0
.125 1.688
3.18 42.88 55.37 19.05
ZFDC-10-6+
MAINLINE LOSS
ZFDC-10-6+
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
1.0
0.8
0.6
0.4
0.2
0.0
60
50
40
30
20
10
0
COUPLING
DIRECTIVITY
0
4
8
12
16
20
0
4
8
12
16
20
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFDC-10-6+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
50
42
34
26
18
10
IN
OUT
CPL
0
4
8
12
16
20
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. E
M153690
ZFDC-10-6+
WZ/TD/CP/AM
151105
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com