Coaxial
ZFDC-15-6
Directional Coupler
50Ω
0.03 to 35 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Features
BNC version shown
• excellent directivity, 35 dB typ.
-55°C to 100°C
-55°C to 100°C
CASE STYLE: K18
• excellent mainline loss, 0.2 dB typ.
• excellent VSWR, 1.15:1 typ.
• rugged shielded case
Connectors Model
Price
Qty.
Permanent damage may occur if any of these limits are exceeded.
BNC
SMA
N-TYPE
ZFDC-15-6
ZFDC-15-6-S
ZFDC-15-6-N
$49.95
$54.95
$54.95
$5.00
(1-9)
(1-9)
(1-9)
(1+)
Coaxial Connections
INPUT
1
2
3
BRACKET (OPTION"B")
Applications
• hf communications
• ham radio
OUTPUT
COUPLED
• instrumentation
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
(dB)
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.
±0.5 0.3 0.6 0.2 0.4 0.3 0.6 38 30 35 25 28 20
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Typ.
1.15
Max.
Max.
4.0
.03-35
15±0.5
2.0
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
0.03
0.30
3.00
0.21
0.16
0.16
0.18
0.18
0.19
0.19
0.20
0.21
0.22
15.35
14.96
14.97
14.98
15.00
15.01
15.03
15.07
15.11
15.15
56.83
55.85
50.17
43.63
39.48
35.75
32.87
30.17
27.85
26.10
31.97
34.78
34.09
33.51
33.10
32.66
32.29
31.89
31.50
31.11
32.85
36.00
36.81
37.39
37.65
37.71
37.59
37.40
37.07
36.76
32.50
35.85
34.28
29.46
25.87
22.70
20.33
18.46
16.91
15.83
inch
7.00
Outline Dimensions (
)
mm
11.00
16.00
21.00
26.00
31.00
35.00
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38
1.00
.125 1.000
31.75 31.75 19.05 16.00
9.65 25.40
3.18 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-15-6
MAINLINE LOSS
ZFDC-15-6
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
0.5
0.4
0.3
0.2
0.1
0.0
100
80
60
40
20
0
COUPLING
DIRECTIVITY
0
7
14
21
28
35
0
7
14
21
28
35
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFDC-15-6
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
50
42
34
26
18
10
IN
OUT
CPL
0
7
14
21
28
35
FREQUENCY (MHz)
®
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®
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M111708
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ZFDC-10-6
WZ/TD/CP/AM
120116
IF/RF MICROWAVE COMPONENTS
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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.