Directional Coupler
75
Ω
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Surface Mount
TCD-10-1W-75+
TCD-10-1W-75
10 to 750 MHz
Features
• wideband, 10 to 750 MHz
• low mainline loss, 1.4 dB typ.
• aqueous washable
• leads for excellent solderability
• protected by US Patent 6,140,887
CASE STYLE: DB714
PRICE: $1.49 ea. QTY (25)
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
75Ω TERM EXTERNAL
NOT USED
3
4
1
2
6
5
+ 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
• VHF/UHF
• CATV
• communications
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
f
L
-f
U
10-750
Outline Drawing
COUPLING
(dB)
Nom.
10.5±0.5
Flatness
±0.7
MAINLINE LOSS
1
(dB)
L
Typ. Max.
1.6
2.1
M
Typ. Max.
1.4
1.9
U
Typ. Max.
1.5
2.0
L
Typ. Min.
22
17
DIRECTIVITY
(dB)
M
Typ. Min.
18
14
U
Typ. Min.
14
—
VSWR POWER
(:1) INPUT, W
Typ.
1.30
L
MU
Max. Max.
0.5
1.0
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2]
U= upper range [f
U
/2 to f
U
]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
PCB Land Pattern
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
1.46
1.42
1.43
1.44
1.45
1.46
1.46
1.41
1.38
1.42
TCD-10-1W-75
MAINLINE LOSS
Coupling
(dB)
In-Cpl
10.50
10.49
10.50
10.51
10.53
10.53
10.54
10.49
10.43
10.31
Directivity
(dB)
In
17.37
17.64
17.64
17.61
17.56
17.57
17.64
18.33
19.30
21.16
Return Loss
(dB)
Out
24.83
30.73
31.76
30.54
29.29
27.94
27.64
26.14
24.85
24.64
Cpl
18.42
18.75
18.75
18.73
18.70
18.68
18.69
19.24
19.95
21.29
Suggested Layout,
Tolerance to be within
±.002
9.00
18.00
24.00
30.00
50.00
70.00
100.00
300.00
500.00
800.00
22.09
22.05
22.01
21.95
21.81
21.69
21.52
19.89
17.95
15.43
Outline Dimensions (
inch
)
mm
A
.160
4.06
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)
TCD-10-1W-75
COUPLING & DIRECTIVITY
40
COUPLING &
DIRECTIVITY (dB)
30
20
10
0
at RF level of -10 dBm
wt
grams
0.15
2.0
1.6
1.2
0.8
0.4
0.0
0
at RF level of -10 dBm
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-72
Suggested PCB Layout (PL-010)
160
320
480
FREQUENCY (MHz)
640
800
0
160
320
480
FREQUENCY (MHz)
640
800
TCD-10-1W-75
RETURN LOSS
50
RETURN LOSS (dB)
40
30
20
10
0
0
160
320
480
FREQUENCY (MHz)
640
800
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. F
M119986
ED-8551
TCD-10-1W-75
WZ/TD/CP/AM
081113
MINI [ MINI-CIRCUITS ]
