RDC-17-122-75X [MINI]
Directional Coupler;
| 型号： | RDC-17-122-75X |
| 厂家： | 
MINI-CIRCUITS |
| 描述： | Directional Coupler |
| 文件： | 总3页 (文件大小：460K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
top hat®
Surface Mount
Directional Coupler RDC-17-122-75X+
75Ω
17dB
5 to 1250 MHz
The Big Deal
• Low mainline loss, 0.8 dB
• High directivity, 20 dB
• Good Return Loss, 24 dB
• Excellent coupling flatness, 0.25 dB
CASE STYLE: TT2315
• Supports DOCSIS® 3.1 Systems
Product Overview
Mini-Circuits RDC-17-122-75X+ surface-mount directional coupler provides 17 dB coupling with excel-
lent flatness, low mainline loss, high directivity, and good return loss for 75Ω applications from 5 to 1250
MHz, supporting a variety of broadband applications including DOCSIS 3.1 systems and equipment. This
model features core and wire construction with wrap-around terminations for good solderability and easy
visual inspection.
Key Features
Feature
Advantages
Broadband, 5 to 1250 MHz
Supports bandwidth requirements for DOCSIS 3.1 systems and equipment.
Provides excellent through-path signal transmission and maintains low heat dissipation,
avoiding the need for special heat sinking methods.
Low mainline loss, 0.8 dB
Power handling, up to 1W
Excellent return loss, 24 dB typ.
High directivity, 20 dB
Usable in systems with a variety of signal power requirements.
Provides excellent matching for 50Ω systems.
High directivity allows accurate signal sampling through the coupled port with minimal
measurement error.
Top Hat feature
Improves speed and accuracy of pick and place assembly.
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 1 of 3
top hat®
Surface Mount
RDC-17-122-75X+
Directional Coupler
75Ω
17dB
5 to 1250 MHz
Features
• wideband, 5-1250 MHz
• excellent return loss, 24 dB typ.
• low mainline loss, 0.8 dB typ.
• high directivity, 20 dB typ.
CASE STYLE: TT2315
• excellent coupling flatness, ±0.25 dB typ.
• aqueous washable
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• DOCSIS 3.1
• cable tv
Electrical Specifications at 25°C
Parameter
Condition (MHz)
Min.
Typ.
Max.
Unit
Frequency Range
5
1250
1.0
1.2
—
MHz
5 - 1000
1000 - 1250
5 - 1250
5 - 1000
1000 - 1250
5 - 50
—
—
—
—
—
25
18
14
18
20
0.8
0.9
17.6
0.45
0.25
30
Mainline Loss1
Coupling
dB
dB
dB
0.9
0.6
—
Coupling Flatness (±)
Directivity
50 - 870
870 - 1250
5 - 1250
5 - 1250
5 - 1250
5 - 1250
25
—
dB
22
—
Return Loss (Input)
24
—
dB
dB
dB
W
Return Loss (Output)
25
—
Return Loss (Coupling)
Input Power
18
—
24
—
—
1.0
1. Mainline loss includes theoretical power loss at coupled port.
Pin Connections
Function
Maximum Ratings
Pin Number
Parameter
Operating Temperature
Storage Temperature
Ratings
-40°C to 85°C
-55°C to 100°C
INPUT
1
6
3
2
4
5
OUTPUT
Permanent damage may occur if any of these limits are exceeded.
COUPLED
GROUND
75Ω TERM EXTERNAL
ISOLATE (DO NOT USE)
Electrical Schematic
REV. B
M164957
ED-16051203
RDC-17-122-75X+
WP/CP/AM
171127
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 2 of 3
RDC-17-122-75X+
Demo Board MCL P/N:TB-917+
Suggested PCB Layout (PL-452)
Outline Drawing
PCB Land Pattern
Suggested Layout,
Tolerance to be within± ±..0
inch
Outline Dimensions (
)
mm
A
.250
6.35
B
.280
7.11
C
.140
3.56
D
.100
2.54
E
.050
1.27
F
.040
1.02
G
.040
1.02
H
.100
2.54
J
.310
7.87
K
.050
1.27
wt.
grams
0.35
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
5
20
50
100
200
400
600
870
1000
1250
0.72
0.59
0.60
0.62
0.64
0.67
0.71
0.79
0.83
0.94
17.98
17.75
17.72
17.72
17.74
17.75
17.74
17.72
17.68
17.47
28.79
32.44
36.13
40.69
45.55
35.63
25.23
20.73
18.97
15.91
20.90
24.13
24.60
25.14
25.90
26.23
27.35
27.88
26.85
26.17
22.55
27.41
28.37
29.38
31.66
30.64
28.80
27.88
29.23
46.02
20.74
23.94
24.18
24.52
25.31
25.95
27.49
24.20
22.65
20.26
RDC-17-122-75X+
COUPLING & DIRECTIVITY
RDC-17-122-75X+
MAINLINE LOSS
RDC-17-122-75X+
RETURN LOSS
0
10
20
30
40
0
10
20
30
40
50
0.0
0.2
0.4
0.6
0.8
1.0
COUPLING
DIRECTIVITY
IN
OUT
CPL
50
0
0
250
500
750
1000
1250
0
250
500
750
1000
1250
250
500
750
1000
1250
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
Additional 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
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 3 of 3
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