Surface Mount
SYDC-20-62HP+
Bi-Directional Coupler
50Ω
20 dB Coupling 10 to 540 MHz
Maximum Ratings
Features
CASE STYLE: AH202-1
PRICE: $29.95 ea. QTY (1-9)
• high power, 25W max.
• wideband multioctave
• low mainline loss, 0.2 dB typ.
*Operating Temperature, Case -40°C to 85°C
Storage Temperature
* Case temperature is defined as temperature on ground leads.
Permanent damage may occur if any of these limits are exceeded.
-55°C to 100°C
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• signal monitoring
• military mobile
Pin Connections
INPUT
8
OUTPUT
1
COUPLED (forward)
COUPLED (reverse)
GROUND
5
4
Bi-Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER2
INPUT
(W)
2,3,6,7
(dB)
fL-fU
Nom.
19.8 0.5
Flatness
0.8
Typ.
0.2
Max.
0.6
Typ. Min.
Typ.
1.10
Max.
25
10 - 540
28
16
Outline Drawing
1. Mainline loss includes theoretical power loss at coupled port.
2. The user must provide adequate means of heat removal to limit the temperature of ground connections 2,3,6,7 to 85°C, in order to ensure
proper performance. At 25°C ambient temperature this requires thermal resistance of the user's PC board heat sink to be 20°C/W or less when
the unit is driven at maximum specified RF input power, 25W. At higher ambient temperature, with the same heat sink, input power in watts
must not exceed 25W x (85°C-Tambient) ÷ 60°C.
PCB Land Pattern
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
10.00
50.00
100.00
150.00
200.00
0.08
0.15
0.16
0.17
0.18
20.20
20.26
20.28
20.26
20.21
20.14
20.16
20.19
20.20
20.20
27.39
47.58
34.70
30.36
27.57
27.16
47.12
43.72
36.64
33.63
24.12 24.24
35.06 35.95
35.11 35.24
34.22 34.18
33.40 32.58
23.90
33.45
32.06
30.65
29.07
23.97
33.81
31.68
29.81
28.15
Suggested Layout,
Tolerance to be within .002
250.00
350.00
400.00
500.00
540.00
0.19
0.21
0.23
0.25
0.27
20.15
19.95
19.83
19.49
19.34
20.18
20.10
20.04
19.87
19.75
25.43
22.53
21.54
19.74
18.90
31.10
26.74
25.36
21.71
20.49
32.59 31.71
30.67 29.41
30.25 28.81
28.06 26.60
27.68 26.47
27.53
25.30
24.24
22.44
21.81
26.81
24.70
23.73
22.13
21.46
inch
Outline Dimensions (
)
G
mm
A
B
C
.25
D
.020
0.51
E
.115
2.92
F
.070
1.78
.38
.50
.035
0.89
9.65 12.70
6.35
H
.050
1.27
J
.090
2.29
K
.040
1.02
L
.105
2.67
M
.140
3.56
N
wt
SYDC-20-62HP+
MAINLINE LOSS
SYDC-20-62HP+
COUPLING & DIRECTIVITY
.095 grams
2.41 0.80
at RF level of -10 dBm
at RF level of -10 dBm
0.4
70
60
50
40
30
20
10
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL REV
0.3
0.2
0.1
0.0
Demo Board MCL P/N: TB-349
Suggested PCB Layout (PL-246)
0
90
180
270
360
450
540
0
90
180
270
360
450
540
FREQUENCY (MHz)
FREQUENCY (MHz)
SYDC-20-62HP+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
45
40
35
30
25
20
IN
OUT
CPL FWD
CPL REV
0
90
180
270
360
450
540
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. C
M124579
ED-12537/2
SYDC-20-62HP+
DY/IZ/CP/AM
131203
Page 1 of 1
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