Surface Mount
TCD-20-4-75+
Directional Coupler
75Ω
40 to 1200 MHz
Maximum Ratings
OperatingꢀTemperatureꢀꢀ
StorageꢀTemperatureꢀꢀ
Features
•ꢀwideband,ꢀꢀ40-1200ꢀMHz
-40°Cꢀtoꢀ85°C
-55°Cꢀtoꢀ100°C
CASEꢀSTYLE:ꢀDB714
PRICE:ꢀ$1.49ꢀea.ꢀQTYꢀ(25)
•ꢀexcellentꢀflatness,ꢀ±0.5ꢀdBꢀtyp.ꢀeachꢀband
•ꢀbetterꢀperformanceꢀthanꢀMA-COMꢀEMDC-20-2-75
•ꢀfootprintꢀcompatibleꢀtoꢀEMDC-10-1-75
•ꢀ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
INPUT
3
OUTPUTꢀ
4
1
2
6
5
Applications
COUPLEDꢀ
•ꢀꢀCATV
GROUNDꢀ
Directional Coupler Electrical Specifications
75Ω TERM EXTERNAL
NOTꢀUSEDꢀ
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
fL-fU
Nom.
Flatness
Typ. Max.
Typ. Min.
Typ.
1.15
1.15
1.15
Max.
1.0
Outline Drawing
40-500
21±0.5
20±0.6
±0.8
±0.8
±0.8
0.5
0.6
0.6
0.9
1.0
1.1
20
23
20
15
16
14
500-870
1.0
870-1200 19.5±0.7
1.0
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
PCB Land Pattern
40.00
150.00
300.00
500.00
650.00
0.58
0.51
0.52
0.55
0.55
21.64
21.32
21.04
20.52
20.11
17.52
22.55
27.40
34.93
25.14
23.40
26.56
25.81
23.79
24.15
24.77
29.03
26.94
23.55
23.07
23.38
26.72
27.36
25.86
25.34
850.00
1000.00
1050.00
1100.00
1200.00
0.59
0.65
0.68
0.69
0.73
19.53
19.12
18.96
18.81
18.51
23.06
23.38
21.95
21.82
20.42
26.52
29.12
30.51
31.20
32.12
24.05
26.11
26.75
26.49
27.62
24.00
23.57
22.99
23.19
23.06
Suggested Layout,
Tolerance to be within ±.002
inch
Outline Dimensions (
)
mm
TCD-20-4-75+
MAINLINE LOSS
TCD-20-4-75+
COUPLING & DIRECTIVITY
A
.160
4.06
B
.150
3.81
C
.160
4.06
D
.050
1.27
E
.040
1.02
F
.025
0.64
at RF level of -10 dBm
at RF level of -10 dBm
2.0
50
40
30
20
10
0
COUPLING
DIRECTIVITY
1.6
1.2
0.8
0.4
0.0
G
.028
0.71
H
.065
1.65
J
.190
4.83
K
.030
0.76
wt
grams
0.15
Demo Board MCL P/N: TB-72
Suggested PCB Layout (PL-010)
0
300
600
900
1200
0
300
600
FREQUENCY (MHz)
900
1200
FREQUENCY (MHz)
TCD-20-4-75+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
50
40
30
20
10
0
IN
OUT
CPL
0
300
600
900
1200
FREQUENCY (MHz)
®
minicircuits.com
Mini-Circuits
REV. B
M119986
ED-13061/1
TCD-20-4-75+
WZ/CP/AM
081113
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
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IF/RF MICROWAVE COMPONENTS