Surface Mount
SYDC-19-52HP+
Bi-Directional Coupler
50Ω
19 dB Coupling 30 to 512 MHz 50 Watt
Features
Maximum Ratings
CASE STYLE: AH1647
• high power, 50W max. with output load VSWR 2.0 max
• high power, 20W max. with output open or short
• low mainline loss, 0.3 dB typ.
Operating Temperature -40°C to 65°C Case*
Storage Temperature -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.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• good VSWR, 1.05 typ.
Applications
• military mobile
Pad Connections
INPUT
Electrical Specifications at 25°C
1
Parameter
Condition (MHz)
Min.
Typ.
Max.
Unit
OUTPUT
8
Frequency Range
30
—
512
MHz
COUPLED (FORWARD)
COUPLED (REVERSE)
GROUND
4
5
30
450
512
0.2
0.35
0.4
0.4
0.6
0.6
Mainline Loss1 (above theoretical 0.05 dB)
dB
dB
2,3,6,7
30-512
19.5
30
450
512
19
19
19
19.5
19.9
20.0
20
20.8
21
Coupling
Outline Drawing
Coupling Flatness(±)
Directivity
30-512
0.4
0.6
dB
dB
30
450
512
30
450
512
30
450
512
30
450
512
30-100
100-450
450-512
22
18
16
20
20
17
26
23
18
20
20
17
—
—
—
35
25
22
30
23
22
31
26
24
30
25
22
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
30
50
40
Return Loss (Input)
Return Loss (Output)
Return Loss (Coupling)
Input Power1
dB
dB
dB
W
PCB Land Pattern
1. The user must provide adequate means of heat removal to limit the temperature of ground connections under the PCB to 65°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 10°C/W.
Typical Performance Data
Frequency Mainline Loss
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
Suggested Layout,
Tolerance to be within .002
(MHz)
(dB)
In-Out
In-Cpl Fwd
Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev
In
Out
Cpl Fwd
Cpl Rev
inch
30.00
100.00
150.00
200.00
300.00
350.00
400.00
450.00
500.00
512.00
0.20
0.23
0.23
0.25
0.28
0.31
0.33
0.36
0.40
0.41
19.53
19.66
19.70
19.73
19.77
19.79
19.80
19.81
19.82
19.82
19.39
19.57
19.66
19.73
19.86
19.91
19.93
19.94
19.91
19.90
35.44
35.65
34.87
33.09
29.46
27.51
25.71
23.69
21.89
21.51
35.50
35.56
33.97
33.07
29.31
27.57
25.76
23.83
21.95
21.52
30.87
34.30
36.74
35.32
31.78
29.37
27.22
25.29
23.53
23.16
32.42
36.09
37.48
36.68
34.90
33.28
31.60
29.58
27.79
27.41
31.49
34.74
35.35
34.82
31.48
29.43
27.29
25.50
23.80
23.40
32.72
36.52
38.24
37.69
36.27
35.15
33.32
31.16
29.02
28.52
Outline Dimensions (
)
J
.060
1.52
mm
A
.433
B
C
E
F
G
H
.045
1.14
K
.276
7.01
.690
.415
.100
.476
.394
11.00 17.53 10.54
2.54 12.09 10.01
L
.194
4.93
M
.257
N
.560
P
.475
Q
.561
R
.258
6.55
S
.069
1.75
T
wt
.061 grams
1.55 2.80
6.53 14.22 12.07 14.25
Demo Board MCL P/N: TB-630+
Suggested PCB Layout (PL-351)
Refer to Application Note: AN-00-017
SYDC-19-52HP+
MAINLINE LOSS
SYDC-19-52HP+
COUPLING & DIRECTIVITY
at RF level of -10 dBm
0.5
at RF level of -10 dBm
60
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL REV
0.4
0.3
0.2
0.1
0.0
50
40
30
20
10
0
50 100 150 200 250 300 350 400 450 500 550
FREQUENCY (MHz)
0
50 100 150 200 250 300 350 400 450 500 550
FREQUENCY (MHz)
SYDC-19-52HP+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
45
40
35
30
25
20
IN
OUT
CPL-FWD
CPL-REV
0
50 100 150 200 250 300 350 400 450 500 550
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-14517/3
SYDC-19-52HP+
CH/CP/AM
151005
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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