Outline Drawing
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
Typical Performance Data
Directional Coupler Electrical Specifications
Maximum Ratings
Coaxial Connections
INPUT
3
OUTPUT
2
COUPLED
1
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Outline Dimensions ( )
inch
mm
ZMDC-10-1
MAINLINE LOSS
0.5
0.6
0.7
0.8
0.9
1.0
1.1
0
100
200
300
400
500
FREQUENCY (MHz)
MAINLINE
LOSS
(dB)
at RF level of -10 dBm
ZMDC-10-1
COUPLING & DIRECTIVITY
0
20
40
60
80
100
0
100
200
300
400
500
FREQUENCY (MHz)
C
O
U
P
L
I
N
G
&
D
I
R
E
C
T
I
V
I
T
Y
(
d
B
)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
ZMDC-10-1
ZMDC-10-1
RETURN LOSS
10
20
30
40
50
60
70
80
0
100
200
300
400
500
FREQUENCY (MHz)
RETURN
LOSS
(dB)
IN
OUT
CPL
at RF level of -10 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
50 0.5 to 500 MHz
Directional Coupler
REV. OR
M93849
ZMDC-10-1
WZ/TD/CP
060803
Coaxial
A
B
C
D
E
F
G
H
1.50
1.13
1.00
.50
.155 2.345
.138
.987
38.10 28.70 25.40 12.70
3.94 59.56
3.51 25.07
J
K
L
M
N
P
S
wt
2.50
.10
.31
.75
1.19
.66
.150 grams
63.50
2.54
7.87 19.05 30.23 16.76
3.81
40.0
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.
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
L
M
U
L
M
U
L
MU
f
L
-f
U
Nom.
Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
Typ.
Max.
Max.
0.5-500
11.50.5
0.6
0.85
1.3
0.65
1.0
0.85
1.3
32
25
32
25
22
15
1.2
1.5
3.0
Features
excellent insertion loss, 0.65 dB typ.
excellent directivity, 32 dB typ.
rugged shielded case
Applications
HF/VHF/UHF
amateur radio
instrumentation
CASE STYLE: M21
Connectors Model
Price
Qty.
SMA
ZMDC-10-1
$49.95
(1-9)
BRACKET (OPTION"B")
$5.00
(1+)
BRACKET (OPTION "BR")
$2.50
(1+)
0.50
0.73
11.62
75.22
63.60
25.33
20.56
0.90
0.69
11.57
75.75
64.18
28.71
21.79
4.00
0.58
11.45
74.20
62.75
34.21
24.05
48.00
0.60
11.49
60.95
49.46
34.66
24.10
124.00
0.63
11.55
52.70
41.15
31.03
23.50
210.00
0.67
11.62
47.91
36.29
27.67
22.54
260.00
0.70
11.66
45.71
34.05
26.27
21.97
320.00
0.73
11.71
42.88
31.17
24.90
21.32
420.00
0.81
11.80
38.25
26.46
23.14
20.45
500.00
0.88
11.86
34.83
22.98
21.97
19.97
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