JDC-20-3-75 Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 75Ω 2 to 250 MHz

Surface Mount
Directional Coupler
75Ω
2 to 250 MHz
JDC-20-3-75+
JDC-20-3-75
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Pin Connections
INPUT
1
OUTPUT
6
COUPLED
3
GROUND
2,5
ISOLATE (DO NOT USE)
4
Outline Drawing
PCB Land Pattern
Features
• low mainline loss, 0.3 dB typ.
• high directivity, 30 dB typ.
• excellent solderability
Applications
• communications
• level detecting
• signal sampling
• reflective power measurements
CASE STYLE: BH292
PRICE: $ 13.60 ea. QTY (25-49)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
FREQ.
(MHz)
Directional Coupler Electrical Specifications
COUPLING
(dB)
MAINLINE LOSS¹
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
L
M
U
L
M
U
L MU
f_L-f_U
Nom. Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. Typ. Max. Max.
2-250 19.2±0.5 ±0.5
0.4 0.8 0.3 0.7 0.4 0.7 24 16 30 20 20 15 1.1 0.5 1.0
L = 2-20 MHz M = 20-125 MHz U = 125-250 MHz
1. Mainline loss includes theoretical power loss at coupled port.
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions
(
) ^inch
mm
A
B
.280 .310
7.11 7.87
C
D
E
F
G
-- .100 .225 .055 .100
-- 2.54 5.72 1.40 2.54
H
J
K
L
.047 .065 .065 .300
1.19 1.65 1.65 7.62
wt
grams
0.45
Demo Board MCL P/N: TB-33
Suggested PCB Layout (PL-044)
Frequency
(MHz)
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Out
Cpl
1.00
0.44
4.00
0.30
7.00
0.28
10.00
0.28
50.00
0.30
90.00
0.32
130.00
0.35
150.00
0.37
180.00
0.40
250.00
0.46
19.22
19.23
19.24
19.24
19.26
19.28
19.32
19.35
19.38
19.45
23.26
29.11
30.46
31.30
30.27
27.59
25.09
23.75
22.06
18.52
23.55
28.64
29.97
30.50
31.34
31.42
30.66
29.92
28.50
25.22
24.40
31.07
33.28
34.28
33.32
30.68
28.22
26.97
25.21
21.84
23.02
28.66
30.26
30.94
32.19
33.55
35.94
37.80
41.60
37.78
0.6 ^{at RF level of -10 dBm}
JDC-20-3-75
MAINLINE LOSS
0.5
0.4
0.3
0.2
0.1
0.0
0
50
100
150
200
FREQUENCY (MHz)
60 ^{at RF level of -10 dBm}
50
40
30
20
10
0
0
50
JDC-20-3-75
RETURN LOSS
IN
OUT
CPL
100
150
200
FREQUENCY (MHz)
250
250
JDC-20-3-75
COUPLING & DIRECTIVITY
at RF level of -10 dBm
60
COUPLING
50
DIRECTIVITY
40
30
20
10
0
0
50
100
150
200
250
FREQUENCY (MHz)
Electrical Schematic
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IF/RF MICROWAVE COMPONENTS
REV. C
M119986
ED-5581
JDC-20-3-75
WZ/TD/CP/AM
081111