SYD-20-33 Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 50Ω 30 to 3000 MHz

Surface Mount
Directional Coupler
SYD-20-33+
50Ω
30 to 3000 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
8
1
5
2,3,4,6,7
Outline Drawing
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions
(
inch
mm
)
A
B
C
D
E
F
G
H
.38 .50 .25 .020 .035 .050 .140 .180
9.65 12.70 6.35 0.51 0.89 1.27 3.56 4.57
J
K
L
M
N
P
Q
R
wt
.320 .360 .450 .465 .095 .135 .240 .280 grams
8.13 9.14 11.43 11.81 2.41 3.43 6.10 7.11 0.80
Demo Board MCL P/N: TB-296
Suggested PCB Layout (PL-160)
Features
• wideband, 30-3000 MHz
• low mainline loss, 1.6 dB typ.
• excellent VSWR, 1.15:1 typ; all ports
• good flatness, ±0.6 dB typ.
CASE STYLE: AH202
PRICE: $16.95 ea. QTY. (10-49)
+ RoHS compliant in accordance
Applications
• VHF/UHF receivers/transmitters
• cellular, PCS, PCN, UMTS
• ISM
• GPS
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
• instrumentation
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS¹
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
f_L-f_U
30-3000
800-1000
1700-2000
2300-2700
Nom. Flatness
20.8±0.8 ±1.4
21.5±0.5 ±0.3
21.1±0.6 ±0.5
20.8±0.7 ±0.5
Typ. Max.
1.6 2.5
1.1 1.5
1.3 1.8
1.5 2.1
1. Mainline loss includes theoretical power loss at coupled port.
Typ. Min.
15 9
17 14
20 15
16 11
Typ.
Max.
1.20
1
1.10
1
1.15
1
1.20
1
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Typical Performance Data
Coupling
(dB)
Directivity
(dB)
In-Cpl
In
Return Loss
(dB)
Out
Cpl
30.00
0.90
300.00
0.99
800.00
1.11
1000.00
1.16
1400.00
1.25
1700.00
1.33
2000.00
1.44
2300.00
1.53
2700.00
1.74
3000.00
1.97
20.67
21.31
21.70
21.66
21.45
21.30
21.15
21.02
21.25
22.06
17.67
18.13
17.81
18.18
21.56
28.32
34.38
23.71
17.00
14.14
22.43
28.54
31.11
29.83
26.80
25.73
23.57
19.74
14.71
12.06
22.47
29.57
34.45
33.18
31.14
31.37
29.10
23.26
16.41
13.23
27.83
28.33
24.69
23.65
22.13
22.07
21.71
19.17
14.45
12.37
2.5
2.0
1.5
1.0
0.5
0.0
0
SYD-20-33+
MAINLINE LOSS
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
40
35
30
25
20
15
10
0
SYD-20-33+
RETURN LOSS
IN
OUT
CPL
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
40
35
30
25
20
15
10
0
SYD-20-33+
COUPLING & DIRECTIVITY
COUPLING
DIRECTIVITY
500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
Electrical Schematic
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SYD-20-33+
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