Directional Coupler
75Ω
5 to 1000 MHz
Features
-40°C to 85°C
-55°C to 100°C
Surface Mount
ADC-15-4-75+
ADC-15-4-75
Maximum Ratings
Operating Temperature
Storage Temperature
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
75Ω TERM EXTERNAL
ISOLATE (DO NOT USE)
1
6
3
2
4
5
• wideband, 5-1000 MHz
• low mainline loss, 0.7 dB typ.
• good directivity, 20 dB typ.
• good VSWR, 1.2:1 typ.
• excellent coupling flatness,
±0.1
dB typ.
• aqueous washable
• protected by U.S Patents 6,133,525 & 6,140,887
• cable tv
• communications
FREQ.
(MHz)
COUPLING
(dB)
CASE STYLE: CD542
PRICE:$6.95 ea. QTY (10-49)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
Applications
Directional Coupler Electrical Specifications
MAINLINE LOSS
1
(dB)
L
Typ. Max.
0.7 1.2
M
Typ. Max.
0.7
1.0
U
Typ. Max.
0.8 1.2
L
Typ. Min.
23
18
Outline Drawing
DIRECTIVITY
(dB)
M
Typ. Min.
20
14
U
Typ. Min.
16
11
VSWR POWER
(:1) INPUT, W
L
Max.
1.0
MU
Max.
1.0
f
L
-f
U
5-1000
Nom.
15.5±0.5
Flatness
±0.5
Typ.
1.2
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
PCB Land Pattern
Frequency
(MHz)
5.00
10.00
50.00
200.00
300.00
Mainline Loss
(dB)
In-Out
0.67
0.65
0.69
0.71
0.71
0.70
0.71
0.75
0.75
0.76
ADC-15-4-75
MAINLINE LOSS
Coupling
(dB)
In-Cpl
15.39
15.37
15.42
15.47
15.48
15.46
15.44
15.47
15.44
15.40
Directivity
(dB)
23.83
23.82
23.89
22.52
20.96
17.77
15.49
14.90
14.64
14.75
In
26.83
23.29
23.00
22.71
22.88
19.08
18.70
18.55
17.87
17.44
Return Loss
(dB)
Out
26.83
27.82
27.40
26.85
26.32
19.55
19.65
18.50
17.00
17.01
Cpl
20.08
20.48
20.33
20.75
20.96
22.78
23.70
25.69
25.53
28.50
Suggested Layout,
Tolerance to be within ±.002
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
.112
2.84
F
.055
1.40
G
.100
2.54
INSERTION LOSS (dB)
1.0
0.9
0.8
0.7
0.6
0.5
500.00
700.00
800.00
900.00
1000.00
at RF level of -10 dBm
ADC-15-4-75
COUPLING & DIRECTIVITY
30
COUPLING &
DIRECTIVITY (dB)
26
22
18
14
10
at RF level of -10 dBm
wt
grams
0.20
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-08
Suggested PCB Layout (PL-042)
0
200
400
600
FREQUENCY (MHz)
800
1000
0
200
400
600
FREQUENCY (MHz)
800
1000
ADC-15-4-75
RETURN LOSS
35
RETURN LOSS (dB)
31
27
23
19
15
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -10 dBm
Electrical Schematic
CPL
IN
OUT
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TM
®
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IF/RF MICROWAVE COMPONENTS
REV. D
M119986
ED-6528/3
ADC-15-4-75
WZ/TD/CP/AM
081111
MINI [ MINI-CIRCUITS ]
