Directional Coupler
75
Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Surface Mount
TCD-10-4-75+
5 to 1000 MHz
Features
• wideband, 5-1000 MHz
• excellent flatness, ±0.1 dB typ.
• better performance than MA-COM EMDC-10-1-75
• footprint compatible to EMDC-10-1-75
• aqueous washable
CASE STYLE: AT224-1
PRICE: $1.49 ea. QTY (25-49)
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
75Ω TERM EXTERNAL
3
4
1
2
6
+ 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
• CATV
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
L
f
L
-f
U
5-1000
Nom.
9.9±0.5
Flatness
±0.3
Typ.
1.0
Max.
1.5
Typ.
1.1
Outline Drawing
MAINLINE LOSS
1
(dB)
M
Max.
1.5
Typ.
1.3
U
Max.
1.9
Typ.
22
L
Min.
19
DIRECTIVITY
(dB)
M
Typ.
20
Min.
13
Typ.
15
U
Min.
11
VSWR POWER
(:1) INPUT, W
Typ.
1.25
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
PCB Land Pattern
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
1.06
1.01
1.05
1.08
1.14
1.24
1.31
1.39
1.45
1.51
TCD-10-4-75+
MAINLINE LOSS
Coupling
(dB)
In-Cpl
9.94
9.90
9.93
9.95
9.96
9.92
9.86
9.85
9.82
9.83
Directivity
(dB)
In
19.73
20.57
20.35
20.17
19.68
19.39
19.74
20.28
22.54
26.00
Return Loss
(dB)
Out
28.50
35.13
38.95
33.10
25.68
21.07
20.28
19.92
20.29
21.07
Cpl
19.46
20.26
20.20
20.18
20.63
23.17
25.18
25.99
25.37
24.19
5.00
10.00
50.00
100.00
250.00
Suggested Layout,
Tolerance to be within
±.002
22.66
22.91
22.54
22.09
20.05
16.74
15.28
14.81
14.88
15.23
Outline Dimensions (
inch
)
mm
A
.150
3.81
G
.028
0.71
B
.150
3.81
H
.065
1.65
C
.160
4.06
J
.190
4.83
D
.050
1.27
K
.030
0.76
E
.040
1.02
F
.025
0.64
MAINLINE LOSS (dB)
500.00
650.00
800.00
900.00
1000.00
TCD-10-4-75+
COUPLING & DIRECTIVITY
COUPLING & DIRECTIVITY
(dB)
25
20
15
10
5
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -10 dBm
1.60
1.40
1.20
1.00
0.80
at RF level of -10 dBm
L
wt
.007 grams
0.18
0.15
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-72
Suggested PCB Layout (PL-010)
0
200
400
600
800
1000
FREQUENCY (MHz)
TCD-10-4-75+
RETURN LOSS
40
RETURN LOSS (dB)
35
30
25
20
15
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -10 dBm
Electrical Schematic
IN
OUT
CPL
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TM
®
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IF/RF MICROWAVE COMPONENTS
REV. A
M119986
ED-12467
TCD-10-4-75+
DY/LC/CP/AM
081113
MINI [ MINI-CIRCUITS ]
