High Power
SYBD-25-82HP+
Bi-Directional Coupler
50Ω 25dB Coupling DC Pass 610 to 810 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
DC Current
Features
CASE STYLE: JB1233
PRICE: $29.95 ea. QTY (1-9)
• high power handling, 100 watts max.
• low mainline loss, 0.05 dB typ.
• excellent VSWR, 1.10:1 typ.
• excellent directivity, 28 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
• VHF/UHF
• SMR
Pin Connections
INPUT
1
2
4
3
5
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.
25.5 0.8
Flatness
1.5
Typ.
0.05
Max.
0.2
Typ. Min.
Typ.
1.10
Max.
100
610-810
28
20
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
610.00
650.00
670.00
690.00
710.00
0.02
0.02
0.02
0.02
0.03
27.05
26.51
26.25
25.99
25.76
27.07
26.53
26.27
26.02
25.78
28.14
28.34
28.33
28.31
28.35
28.17
28.27
28.40
28.53
28.41
39.73
38.10
37.38
36.41
35.62
40.16
37.94
37.03
36.15
35.38
39.82
39.49
38.89
38.23
37.48
39.47
39.02
38.36
37.46
36.66
PCB Land Pattern
730.00
750.00
770.00
790.00
810.00
0.03
0.03
0.02
0.03
0.03
25.52
25.29
25.06
24.85
24.64
25.54
25.32
25.09
24.88
24.67
28.39
28.31
28.18
28.11
28.00
28.29
28.29
28.42
28.41
28.34
35.04
34.50
33.86
33.25
32.79
34.77
34.18
33.49
32.78
32.24
36.81
36.31
35.95
35.63
35.19
36.35
36.27
35.97
35.39
34.80
SYBD-25-82HP+
MAINLINE LOSS
SYBD-25-82HP+
COUPLING & DIRECTIVITY
Suggested Layout,
Tolerance to be within .002
0.3
50
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL-REV
inch
40
30
20
10
0
Outline Dimensions (
)
G
mm
0.2
0.1
0.0
A
B
C
D
E
F
.70
.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
610
660
710
760
810
610
660
710
760
810
Demo Board MCL P/N:TB-398
Suggested PCB Layout (PL-260)
FREQUENCY (MHz)
FREQUENCY (MHz)
SYBD-25-82HP+
RETURN LOSS
Electrical Schematic
60
50
40
30
20
10
IN
OUT
CPL-FWD
CPL-REV
610
660
710
760
810
FREQUENCY (MHz)
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
ISO 9001 ISO 14001 AS 9100 CERTIFIED
®
REV. A
M119986
ED-12713/6
SYBD-25-82HP+
WZ/CP/AM
120917
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine
Provides ACTUAL Data Instantly at minicircuits.com
IF/RF MICROWAVE COMPONENTS
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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.