ADC-18-4-75R Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 75Ω 20 to 1000 MHz

Surface Mount
Directional Coupler
ADC-18-4-75R+
75Ω20 to 1000 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Pin Connections
INPUT
1
OUTPUT
6
COUPLED
3
GROUND
2,5
NOT USED
4
Outline Drawing
Features
• wideband,20-1000 MHz
• good directivity, 25 dB typ.
• excellent VSWR, 1.15:1 typ.
• internal load, no external components required
• aqueous washable
• protected by US Patent 6,133,525 & 6,140,887
Applications
• CATV power tap
CASE STYLE: CD542
PRICE: $7.95 ea. QTY (10-49)
+ 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.
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
f_L-f_U
Nom. Flatness
20-1000 17.7±0.5 ±0.5
MAINLINE LOSS¹
(dB)
L
M
U
Typ. Max. Typ. Max. Typ. Max.
0.6 1.0
0.5 0.9
0.7 1.2
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
L
M
U
Typ. Min. Typ. Min. Typ. Min. Typ.
Max.
30 19
25 18
20 11 1.15
1.0
L= 20-200 MHz M= 200-500 MHzU= 500-1000 MHz
1. Mainline loss includes theoretical power loss at coupled port.
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions
(
inch
mm
)
A
B
C
D
E
F
G
.272 .310 .220 .100 .112 .055 .100
6.91 7.87 5.59 2.54 2.84 1.40 2.54
H
J
K
L
.030 .026 .065 .300
0.76 0.66 1.65 7.62
wt
grams
0.20
Demo Board MCL P/N: TB-356
Suggested PCB Layout (PL-213)
Frequency
(MHz)
20.00
50.00
100.00
240.00
400.00
540.00
680.00
800.00
900.00
1000.00
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
0.64
17.79
32.89
0.58
17.73
41.84
0.55
17.70
43.88
0.56
17.71
30.92
0.60
17.67
24.83
0.65
17.63
21.34
0.71
17.55
18.57
0.76
17.47
16.59
0.80
17.40
15.17
0.86
17.33
13.84
Return Loss
(dB)
In
Out
Cpl
20.76
24.04
25.58
27.26
27.68
28.01
29.46
31.69
35.90
42.87
22.00
26.77
29.90
35.24
34.53
31.80
29.91
28.56
27.62
27.02
20.42
23.55
24.90
27.17
28.00
27.82
25.76
23.12
21.50
20.11
ADC-18-4-75R+
MAINLINE LOSS
at RF level of -4.3 dBm
0.9
0.8
0.7
0.6
0.5
0
200
400
600
800
FREQUENCY (MHz)
ADC-18-4-75R+
RETURN LOSS
at RF level of -4.3 dBm
45
40
IN
OUT
CPL
1000
ADC-18-4-75R+
COUPLING & DIRECTIVITY
at RF level of -4.3 dBm
45
37
COUPLING
DIRECTIVITY
29
21
13
0
200
400
600
800
FREQUENCY (MHz)
1000
Electrical Schematic
35
30
25
20
0
200
400
600
800
FREQUENCY (MHz)
1000
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IF/RF MICROWAVE COMPONENTS
REV. A
M119986
ED-12361/1
ADC-18-4-75R+
DY/LC/CP/AM
081111