FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
fL-fUNom. Flatness Ty p . Max. Ty p . Min. Ty p . Max.
960-1400 0.15 0.40 26 18 1.10
960-1240 19.5±0.8 ±1.3 0.10 0.35 26 18 1.10 50
1240-1400 18.0±0.8 ±0.7 0.15 0.40 25 18 1.10 50
1. Mainline loss includes theoretical power loss at coupled port.
ISO 9001 ISO 14001 AS 9100 CERTIFIED
Mini-Circuits®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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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.
For detailed performance specs
& shopping online see web site
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IF/RF MICROWAVE COMPONENTS
Typical Performance Data
Maximum Ratings
Pin Connections
INPUT 1
OUTPUT 2
COUPLED (forward) 4
COUPLED (reverse) 3
GROUND 5
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
DC Current 2A
SYBD-18-142HP+
COUPLING & DIRECTIVITY
0
10
20
30
40
50
960 1070 1180 1290 1400
FREQUENCY (MHz)
COUPLING & DIRECTIVITY
(dB)
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL-REV
SYBD-18-142HP+
SYBD-18-142HP+
RETURN LOSS
10
20
30
40
50
60
960 1070 1180 1290 1400
FREQUENCY (MHz)
RETURN LOSS (dB)
IN OUT CPL-FWD CPL-REV
50Ω 18dB Coupling DC Pass 960 to 1400 MHz
Bi-Directional Coupler
REV. A
M119986
ED-12762/4
SYBD-18-142HP+
WZ/QL/AM
120917
Features
• high power handling, 100 watts at room temp.
• low mainline loss, 0.15 dB typ.
• excellent VSWR, 1.10:1 typ.
• excellent directivity 26 dB typ.
• wideband frequency, 960 to 1400 MHz
Applications
• GPS
• defense communications
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
In-Out
In-Cpl Fwd Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev
In Out Cpl Fwd Cpl Rev
Bi-Directional Coupler Electrical Specifications
SYBD-18-142HP+
MAINLINE LOSS
0.0
0.1
0.2
0.3
960 1070 1180 1290 1400
FREQUENCY (MHz)
MAINLINE LOSS (dB)
960.00 0.13 20.24 20.20 24.19 25.28 27.52 25.70 28.30 28.89
1000.00 0.14 19.91 19.86 24.02 25.34 27.10 25.29 28.16 28.91
1040.00 0.15 19.59 19.54 24.16 25.61 26.96 25.17 28.24 28.87
1070.00 0.16 19.35 19.31 24.28 25.76 27.06 25.22 28.29 28.91
1110.00 0.15 19.04 19.00 24.28 25.70 26.93 25.07 28.30 28.94
1190.00 0.16 18.47 18.42 24.49 25.96 27.08 25.16 28.92 29.59
1240.00 0.17 18.14 18.09 24.46 26.01 27.10 25.22 29.35 30.08
1280.00 0.18 17.89 17.84 24.76 26.03 27.61 25.61 30.08 30.82
1360.00 0.18 17.41 17.35 24.81 25.96 28.43 26.12 31.57 32.33
1400.00 0.19 17.18 17.13 24.96 26.06 29.33 26.82 32.71 33.70
CASE STYLE: JB1233
PRICE: $29.95 ea. QTY (1-9)
Outline Drawing
Outline Dimensions ( )
inch
mm
A
B
C
D
E
F
G
.70
.32
.13
.060
.100
.022
17.78 8.13 3.30 1.52 2.54 12.70 0.56
H
J
K
L
M
wt
.360
.670
.175
grams
1.52 1.02 9.14 17.02 4.45
0.68
Demo Board MCL P/N: TB-398
Suggested PCB Layout (PL-260)
Suggested Layout,
Tolerance to be within ±.002
PCB Land Pattern
High Power
Electrical Schematic
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications