High Power
SYBD-28-62HP+
Bi-Directional Coupler
50Ω 28dB Coupling DC Pass 400 to 610 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
DC Current
Features
CASE STYLE: JB1233
• high power handling, 100 watts max.
• low mainline loss, 0.03 dB typ.
• excellent VSWR, 1.10:1 typ.
• excellent directivity, 27 dB typ.
-55°C to 100°C
-55°C to 100°C
2A
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Permanent damage may occur if any of these limits are exceeded.
Applications
Pin Connections
• VHF/UHF
INPUT
1
2
4
3
5
• instrumentations
• defense communications
• federal communications
OUTPUT
COUPLED (forward)
COUPLED (reverse)
GROUND
Bi-Directional Coupler Electrical Specifications
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
Outline Drawing
FREQ.
(MHz)
COUPLING
(dB)
fL-fU
Nom.
Flatness
Typ.
Max.
Typ. Min.
Typ.
Max.
400-610
400-470
470-610
0.03
0.03
0.03
0.2
0.2
0.2
27
27
28
21
21
21
1.10
1.10
1.10
—
100
100
29.8 0.8
27.8 0.8
1.0
1.5
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency Mainline Loss
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
(MHz)
(dB)
In-Out
In-Cpl Fwd
Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev
In
Out
Cpl Fwd
Cpl Rev
400.00
430.00
450.00
470.00
495.00
0.02
0.01
0.01
0.02
0.02
30.68
30.05
29.66
29.29
28.85
30.71
30.07
29.68
29.31
28.87
27.55
27.61
27.61
27.74
27.91
27.39
27.60
27.78
27.82
27.95
54.15
50.62
49.31
48.07
45.71
62.25
54.98
52.00
49.88
47.55
47.51
45.94
45.50
44.97
44.63
44.04
44.97
45.33
44.14
42.66
PCB Land Pattern
535.00
575.00
585.00
595.00
610.00
0.02
0.02
0.03
0.03
0.03
28.17
27.56
27.42
27.27
27.06
28.19
27.58
27.44
27.29
27.08
28.10
28.17
28.20
28.17
28.14
27.98
28.28
28.25
28.23
28.17
43.36
41.19
40.82
40.38
39.73
44.52
41.75
41.34
40.93
40.16
43.50
41.30
40.86
40.28
39.82
42.49
41.49
40.67
40.05
39.47
SYBD-28-62HP+
MAINLINE LOSS
SYBD-28-62HP+
COUPLING & DIRECTIVITY
Suggested Layout,
Tolerance to be within .002
0.3
0.2
0.1
0.0
50
40
30
20
10
0
COUPLING IN-CPL FWD
inch
Outline Dimensions (
)
DIRECTIVITY IN-CPL-REV
mm
A
.70
B
C
D
E
F
G
.32
.13 .060 .100 .500 .022
17.78 8.13 3.30 1.52 2.54 12.70 0.56
H
J
K
L
M
wt
grams
0.68
.060 .040 .360 .670 .175
1.52 1.02 9.14 17.02 4.45
400
442
484
526
568
610
400
442
484
526
568
610
Demo Board MCL P/N: TB-398
Suggested PCB Layout (PL-260)
FREQUENCY (MHz)
FREQUENCY (MHz)
SYBD-28-62HP+
RETURN LOSS
Electrical Schematic
70
60
50
40
30
IN
OUT
CPL-FWD
CPL-REV
400
442
484
526
568
610
FREQUENCY (MHz)
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.
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
REV. B
M151107
®
ED-12713/7
SYBD-28-62HP+
WZ/CP/AM
1510105
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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