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 Specifi cations
Maximum Ratings
Pin Connections
Features
CATV power tap
INPUT
1
OUTPUT
6
COUPLED
3
GROUND
2,5
NOT USED
4
wideband, 20-1000 MHz
good directivity, 25 dB typ.
excellent VSWR, 1.15:1 typ.
internal load, no external components required
protected by US Patent 6,133,525 & 6,140,887
Applications
Operating Temperature
-40C to 85C
Storage Temperature
-55C to 100C
CASE STYLE: CD542
PRICE: $7.95 ea. QTY (10-49)
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Cpl
Out
Demo Board MCL P/N: TB-356
Suggested PCB Layout (PL-213)
Outline Drawing
Outline Dimensions ( )
inch
mm
L= 20-200 MHz M= 200-500 MHz U= 500-1000 MHz
1. Mainline loss includes theoretical power loss at coupled port.
ADC-18-4-75R+
MAINLINE LOSS
0.5
0.6
0.7
0.8
0.9
0
200
400
600
800
1000
FREQUENCY (MHz)
M
A
I
N
LI
NE LO
SS (
d
B)
at RF level of -4.3 dBm
ADC-18-4-75R+
COUPLING & DIRECTIVITY
13
21
29
37
45
0
200
400
600
800
1000
FREQUENCY (MHz)
CO
UPLI
NG
& DI
RECTI
VI
TY
(dB)
COUPLING
DIRECTIVITY
at RF level of -4.3 dBm
ADC-18-4-75R+
ADC-18-4-75R+
RETURN LOSS
20
25
30
35
40
45
0
200
400
600
800
1000
FREQUENCY (MHz)
RETURN LOSS (
d
B)
IN
OUT
CPL
at RF level of -4.3 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
75
20 to 1000 MHz
Directional Coupler
REV. OR
M104346
ED-12361/1
ADC-18-4-75R+
DY/LC/CP
060331
Surface Mount
A
B
C
D
E
F
G
.280
.310
.220
.100
.112
.055
.100
7.11
7.87
5.59
2.54
2.84
1.40
2.54
H
J
K
L
wt
.030
.030
.065
.300
grams
0.76
0.76
1.65
7.62
0.20
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffi x has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifi cations.
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT, W
Nom.
Flatness
L
M
U
L
M
U
Typ.
Typ.
Max.
Typ.
Max.
Typ.
Max.
Typ.
Min.
Typ.
Min.
Typ.
Min.
Max.
20-1000
17.70.5
0.5
0.6
1.0
0.5
0.9
0.7
1.2
30
19
25
18
20
11
1.15
1.0
20.00
0.64
17.79
32.89
20.76
22.00
20.42
50.00
0.58
17.73
41.84
24.04
26.77
23.55
100.00
0.55
17.70
43.88
25.58
29.90
24.90
240.00
0.56
17.71
30.92
27.26
35.24
27.17
400.00
0.60
17.67
24.83
27.68
34.53
28.00
540.00
0.65
17.63
21.34
28.01
31.80
27.82
680.00
0.71
17.55
18.57
29.46
29.91
25.76
800.00
0.76
17.47
16.59
31.69
28.56
23.12
900.00
0.80
17.40
15.17
35.90
27.62
21.50
1000.00
0.86
17.33
13.84
42.87
27.02
20.11
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