Surface Mount
Directional Coupler
50Ω
TCD-20-4+
5 to 1000 MHz
Maximum Ratings
Features
Operating Temperature Storage Temperature -40°C to 85°C
-55°C to 100°C
* Case temperature is defined as temperature on ground leads.
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
INPUT3
OUTPUT4
COUPLED1
GROUND2
50Ω TERM EXTERNAL 6
NOT USED
5
Outline Drawing
Lead #1 identifier shall be located in the cross-hatched area shown.
Identifier may be either a molded or marked feature.
• wideband, 5 to 1000 MHz
• low mainline loss, 0.4 dB typ.
• aqueous washable
• leads for excellent solderability
• protected by US Patent 6,140,887
CASE STYLE: DB714
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• VHF/UHF
• communications
• cellular
• signal processing
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
fL-fU
Nom.
Flatness
5-1000
20.0±0.5
±0.8
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
L
Typ. Max.
M
Typ. Max.
U
Typ. Max.
0.3
0.4
0.7
0.9
0.8
L
Typ. Min.
1.1
20
M
Typ. Min.
11
21
VSWR POWER
(:1) INPUT, W
U
Typ. Min.
15
15
Typ.
—
L
MU
Max. Max.
1.20
1.0
1.0
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U= upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Suggested Layout,
Tolerance to be within ±.002
C
.160
4.06
D
.050
1.27
G
.028
0.71
H
.065
1.65
J
.190
4.83
K
.030
0.76
E
.040
1.02
F
.025
0.64
wt
grams
0.15
Demo Board MCL P/N: TB-71
Suggested PCB Layout (PL-009)
In
Return Loss
(dB)
Out
Cpl
0.34
0.32
0.31
0.31
0.32
20.10
20.07
20.06
20.09
20.10
18.84
20.01
20.88
21.80
21.88
27.09
28.28
29.20
30.62
30.88
28.8025.84
30.5226.99
32.0127.84
34.6728.98
35.1429.17
100.00
300.00
500.00
700.00
1000.00
0.33
0.37
0.43
0.49
0.62
20.10
20.04
19.88
19.70
19.48
22.10
25.05
36.45
28.77
19.03
31.23
32.86
34.37
34.61
34.14
35.7029.43
37.5430.26
31.5631.08
27.0432.38
23.85 35.39
COUPLING & DIRECTIVITY
MAINLINE LOSS
at RF level of -10 dBm
1.2
MAINLINE LOSS (dB)
B
.150
3.81
Directivity
(dB)
5.00
7.00
10.00
50.00
70.00
Outline Dimensions ( inch
mm )
A
.160
4.06
Coupling
(dB)
In-Cpl
1.0
DIRECTIVITY
30
0.6
20
0.4
10
0.2
0
0.0
0
200
400
600
FREQUENCY (MHz)
800
1000
RETURN LOSS
RETURN LOSS (dB)
COUPLING
40
0.8
60
at RF level of -10 dBm
50
COUPLING & DIRECTIVITY
(dB)
PCB Land Pattern
Mainline Loss
(dB)
In-Out
IN
OUT
200
400
600
FREQUENCY (MHz)
800
1000
Electrical Schematic
at RF level of -10 dBm
50
0
CPL
40
30
20
10
0
200
400
600
FREQUENCY (MHz)
800
1000
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
REV. H
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp M151107
Mini-Circuits
®
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected]
ED-8564/1
TCD-20-4+
WZ/TD/CP/AM
160913