Surface Mount
Directional Coupler
75Ωꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ40ꢀtoꢀ1000ꢀMHzꢀ
ADC-20-4-75R+
Maximum Ratings
Features
OperatingꢀTemperatureꢀꢀ
-40°Cꢀtoꢀ85°C
-55°Cꢀtoꢀ100°C
•ꢀwideband,ꢀꢀ40-1000ꢀMHz
CASEꢀSTYLE:ꢀCD636
PRICE:ꢀ$7.95ꢀea.ꢀQTYꢀ(10-49)
•ꢀlowꢀmainlineꢀloss,ꢀ0.6ꢀdBꢀtyp.
•ꢀexcellentꢀVSWR,ꢀ1.1:1ꢀtyp.
•ꢀinternalꢀload,ꢀnoꢀexternalꢀcomponentsꢀrequired
•ꢀaqueousꢀwashable
StorageꢀTemperatureꢀꢀ
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
Pin Connections
INPUTꢀ
1
6
•ꢀprotectedꢀbyꢀUSꢀPatentꢀ6,133,525ꢀ&ꢀ6,140,887ꢀ
OUTPUTꢀ
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
COUPLEDꢀ
GROUNDꢀ
NOTꢀUSEDꢀ
3
Applications
•ꢀCATV
2,5
4
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
Outline Drawing
(:1)
INPUT, W
L
M
U
L
M
U
Nom. Flatness
Typ.
1.10
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ.
0.5 0.8 0.6 0.9 0.7 1.2 24 17 20
Min. Typ. Min.
Max.
1.0
40-1000 20.5±0.5
±0.8
15
17
12
L=ꢀ40-400ꢀMHzꢀꢀꢀꢀꢀꢀꢀM=ꢀ400-500ꢀMHzꢀꢀꢀꢀꢀꢀꢀꢀU=ꢀ500-1000ꢀMHz
1.ꢀMainlineꢀlossꢀincludesꢀtheoreticalꢀpowerꢀlossꢀatꢀcoupledꢀport.
Typical Performance Data
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
Frequency
(MHz)
PCB Land Pattern
In-Out
In
Out
Cpl
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
40.00ꢀ
0.57ꢀ
0.52ꢀ
0.50ꢀ
0.53ꢀ
0.56ꢀ
0.62ꢀ
0.68ꢀ
0.71ꢀ
0.74ꢀ
0.77ꢀ
20.74ꢀ
20.82ꢀ
20.87ꢀ
20.82ꢀ
20.73ꢀ
20.59ꢀ
20.42ꢀ
20.23ꢀ
20.07ꢀ
19.86ꢀ
24.46ꢀ
24.90ꢀ
23.92ꢀ
22.10ꢀ
20.26ꢀ
18.57ꢀ
17.84ꢀ
17.23ꢀ
16.93ꢀ
16.53ꢀ
24.97ꢀ
29.34ꢀ
28.31ꢀ
26.02ꢀ
24.23ꢀ
25.31ꢀ
30.01ꢀ
27.10ꢀ
23.57ꢀ
25.62ꢀ
25.29ꢀ
29.25ꢀ
29.17ꢀ
26.77ꢀ
25.60ꢀ
24.40ꢀ
23.08ꢀ
23.22ꢀ
23.74ꢀ
24.50ꢀ
25.60
28.73
31.75
39.90
41.94
37.70
36.42
30.86
28.67
27.23
100.00ꢀ
220.00ꢀ
340.00ꢀ
450.00ꢀ
560.00ꢀ
680.00ꢀ
800.00ꢀ
900.00ꢀ
1000.00ꢀ
Suggested Layout,
Tolerance to be within .002
inch
Outline Dimensions (
)
mm
ADC-20-4-75R+
MAINLINE LOSS
ADC-20-4-75R+
COUPLING & DIRECTIVITY
at RF level of -4.3 dBm
at RF level of -4.3 dBm
A
.272
6.91
B
.310
7.87
C
.220
5.59
D
.100
2.54
E
.162
4.11
F
.055
1.40
G
.100
2.54
27
0.9
COUPLING
DIRECTIVITY
0.8
0.7
0.6
0.5
0.4
24
21
18
15
H
.030
0.76
J
.026
0.66
K
.065
1.65
L
.300
7.62
wt
grams
0.25
Demo Board MCL P/N: TB-356
Suggested PCB Layout (PL-213)
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ADC-20-4-75R+
RETURN LOSS
Electrical Schematic
at RF level of -4.3 dBm
50
40
30
20
IN
OUT
CPL
0
200
400
600
800
1000
FREQUENCY (MHz)
®
minicircuits.com
Mini-Circuits
REV.ꢀA
M119986
ED-12356/2
ADC-20-4-75R+
DY/LC/CP/AM
081111
ISO 9001 ISO 14001 AS 9100 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
TM
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
IF/RF MICROWAVE COMPONENTS