Directional Coupler
75Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Permanent damage may occur if any of these limits are exceeded.
Surface Mount
ADC-10-4-75R+
5 to 1000 MHz
Features
• wideband, 5-1000 MHz
• good directivity, 20 dB typ.
• good VSWR, 1.2:1 typ.
• internal load, no external components required
• aqueous washable
• protected by US Patents 6,133,525 & 6,140,887
• CATV power tap
CASE STYLE: CD636
PRICE: $7.95 ea. QTY (10-49)
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
NOT USED
1
6
3
2,5
4
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
Applications
Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
(MHz)
f
L
-f
U
5-1000
COUPLING
(dB)
L
Nom.
9.6±0.5
Flatness
±0.5
MAINLINE LOSS
1
(dB)
M
Typ. Max.
1.1 1.6
U
Typ. Max.
1.5 1.8
22
L
Typ. Min.
17
Typ. Max.
1.0 1.8
DIRECTIVITY
(dB)
M
Typ. Min.
21
16
20
U
Typ. Min.
14
VSWR POWER
(:1) INPUT, W
Typ.
1.2
Max.
1.0
L= 5-50 MHz M= 50-500 MHz U= 500-1000 MHz
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
PCB Land Pattern
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
9.88
9.85
9.86
9.88
9.83
9.69
9.69
9.67
9.67
9.67
Directivity
(dB)
In
21.29
22.23
22.50
21.97
20.70
20.16
20.34
20.86
21.08
20.31
19.29
20.18
20.25
20.46
20.68
22.10
30.01
29.75
31.38
40.80
Return Loss
(dB)
Out
26.04
32.36
38.76
34.63
25.43
21.80
22.46
23.14
24.67
24.59
Cpl
18.58
19.76
19.95
19.87
19.72
20.73
21.32
21.37
19.79
18.03
5.00
10.00
50.00
100.00
300.00
500.00
650.00
800.00
900.00
1000.00
1.05
0.98
1.01
1.05
1.10
1.17
1.27
1.36
1.43
1.53
ADC-10-4-75R+
MAINLINE LOSS
Suggested Layout,
Tolerance to be within ±.002
�½
Outline Dimensions (
inch
)
mm
A
.272
6.91
H
.030
0.76
B
.310
7.87
J
.026
0.66
C
.220
5.59
K
.065
1.65
D
.100
2.54
L
.300
7.62
E
.162
4.11
F
.055
1.40
G
.100
2.54
wt
grams
0.25
ADC-10-4-75R+
COUPLING & DIRECTIVITY
26
COUPLING &
DIRECTIVITY (dB)
22
18
14
10
6
0
200
400
600
800
1000
COUPLING
DIRECTIVITY
at RF level of -4.3 dBm
1.8
MAINLINE LOSS (dB)
1.6
1.4
1.2
1.0
0.8
0
at RF level of -4.3 dBm
Demo Board MCL P/N: TB-356
Suggested PCB Layout (PL-213)
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ADC-10-4-75R+
RETURN LOSS
45
RETURN LOSS (dB)
40
35
30
25
20
15
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -4.3 dBm
Electrical Schematic
CPL
IN
OUT
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TM
®
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IF/RF MICROWAVE COMPONENTS
REV. A
M119986
ED-12259/4
ADC-10-4-75R+
DY/LC/CP/AM
090313
MINI [ MINI-CIRCUITS ]
