Surface Mount
Directional Coupler
75Ωꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ5ꢀtoꢀ1000ꢀMHzꢀ
ADC-25-4-75+
Maximum Ratings
OperatingꢀTemperatureꢀꢀ
StorageꢀTemperatureꢀꢀ
Features
•ꢀwideband,ꢀ5-1000ꢀMHz
-40°Cꢀtoꢀ85°C
-55°Cꢀtoꢀ100°C
CASEꢀSTYLE:ꢀCD636
PRICE:$6.95ꢀea.ꢀQTYꢀ(10-49)
•ꢀlowꢀmainlineꢀloss,ꢀ0.3ꢀdBꢀtyp.
•ꢀhighꢀcoupling,ꢀ25ꢀdBꢀtyp.
•ꢀexcellentꢀVSWR,ꢀ1.2:1ꢀtyp.
•ꢀaqueousꢀwashable
+ 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.
Pin Connections
INPUTꢀ
OUTPUTꢀ
1
6
3
2
4
5
•ꢀprotectedꢀbyꢀUSꢀpatentsꢀ6,133,525ꢀ&ꢀ6,140,887
COUPLEDꢀ
Applications
•ꢀCATVꢀ
GROUNDꢀ
75Ω TERMꢀEXTERNALꢀ
NOTꢀUSEDꢀꢀ
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.
1.2
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ.
0.1 0.5 0.1 0.4 0.3 0.7 27 13 25
Min. Typ. Min.
Max.
0.5
5-1000
25±1.0
±2.0
14
20
12
L=ꢀ5-50ꢀMHzꢀꢀꢀꢀꢀꢀꢀM=ꢀ50-500ꢀMHzꢀꢀꢀꢀꢀꢀꢀꢀU=ꢀ500-1000ꢀMHz
1.ꢀMainlineꢀlossꢀincludesꢀtheoreticalꢀpowerꢀlossꢀatꢀcoupledꢀport.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
PCB Land Pattern
In-Out
In
Out
Cpl
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
5.00ꢀ
10.00ꢀ
50.00ꢀ
100.00ꢀ
260.00ꢀ
0.09ꢀ
0.15ꢀ
0.13ꢀ
0.12ꢀ
0.11ꢀ
26.38ꢀ
26.42ꢀ
26.44ꢀ
26.39ꢀ
26.01ꢀ
22.91ꢀ
27.82ꢀ
32.03ꢀ
28.51ꢀ
21.92ꢀ
22.68ꢀ
28.87ꢀ
38.74ꢀ
44.75ꢀ
31.00ꢀ
22.47ꢀ
28.63ꢀ
37.83ꢀ
38.86ꢀ
30.67ꢀ
22.43
28.52
38.85
37.28
25.64
ꢀ
ꢀ
Suggested Layout,
Tolerance to be within .002
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
500.00ꢀ
600.00ꢀ
700.00ꢀ
850.00ꢀ
1000.00ꢀ
0.16ꢀ
0.25ꢀ
0.31ꢀ
0.40ꢀ
0.47ꢀ
25.18ꢀ
24.96ꢀ
24.98ꢀ
25.33ꢀ
25.41ꢀ
19.14ꢀ
18.98ꢀ
19.48ꢀ
23.30ꢀ
19.99ꢀ
30.93ꢀ
33.03ꢀ
31.89ꢀ
28.69ꢀ
29.32ꢀ
27.38ꢀ
26.45ꢀ
26.89ꢀ
30.04ꢀ
29.04ꢀ
21.21
20.18
19.63
19.36
18.66
inch
Outline Dimensions (
)
mm
ADC-25-4-75+
MAINLINE LOSS
ADC-25-4-75+
COUPLING & DIRECTIVITY
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
at RF level of -4.3 dBm
at RF level of -4.3 dBm
0.5
35
30
25
20
15
H
.030
0.76
J
.026
0.66
K
.065
1.65
L
.300
7.62
wt
COUPLING
DIRECTIVITY
0.4
0.3
0.2
0.1
0
grams
0.25
Demo Board MCL P/N: TB-08
Suggested PCB Layout (PL-042)
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
ADC-25-4-75+
RETURN LOSS
Electrical Schematic
at RF level of -4.3 dBm
50
45
40
35
30
25
20
15
IN
OUT
CPL
0
200
400
600
800
1000
FREQUENCY (MHz)
®
minicircuits.com
Mini-Circuits
REV.ꢀA
M119986
ED-6928A/4
ADC-25-4-75
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