MINI LRDC-12-1-75

Surface Mount
Directional Coupler
75Ω
LRDC-12-1-75
5 to 600 MHz
Maximum Ratings
Features
Operating Temperature • low mainline loss, 0.5 dB typ.
• high directivity, 21 dB typ.
-40°C to 85°C
Storage Temperature -55°C to 100°C
CASE STYLE: QQQ130
PRICE: $11.95 ea. QTY (1-9)
Applications
Pin Connections
INPUT
6
OUTPUT
1
COUPLED
4
GROUND
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
• VHF/UHF
• signal sampling
• communications
• cable tv
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
2,5
ISOLATE (DO NOT USE)
3
Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
L
M
DIRECTIVITY
(dB)
U
L
VSWR POWER
(:1) INPUT, W
M
U
L
MU
fL-fU
Nom.
Flatness
Typ.
Max.
Typ.
Max.
Typ.
Max.
Typ.
Min.
Typ.
Min.
Typ.
Min.
Typ.
5-600
12.2±0.5
±0.6
0.4
0.8
0.5
1.0
0.8
1.5
20
17
21
18
20
12
1.3
In
Return Loss
(dB)
Out
Cpl
24.93
25.25
25.59
25.75
24.35
21.73
19.81
18.62
18.13
18.26
36.02
37.90
41.55
45.26
29.52
23.91
20.80
19.03
18.22
18.28
24.62
24.76
24.92
24.96
24.21
23.15
21.77
20.45
19.44
18.73
Max. Max.
1.0
1.0
L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U = upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
PCB Land Pattern
Typical Performance Data
Frequency
(MHz)
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions ( inch
mm )
A
.400
10.16
B
.31
7.87
C
.200
5.08
D
.10
2.54
E
.010
0.25
H
.420
10.67
J
.120
3.05
K
.060
1.52
L
.100
2.54
M
.020
0.51
F
.100
2.54
G
.050
1.27
wt
grams
0.55
5.00
6.00
8.00
10.00
100.00
200.00
300.00
400.00
500.00
600.00
at RF level of -10 dBm
Coupling
(dB)
In-Cpl
Directivity
(dB)
0.68
0.67
0.66
0.67
0.69
0.71
0.77
0.79
0.84
0.92
12.25
12.24
12.24
12.24
12.26
12.27
12.28
12.20
12.11
12.05
27.30
27.29
27.30
27.29
25.97
23.92
22.07
20.71
19.85
19.38
LRDC-12-1-75
COUPLING & DIRECTIVITY
LRDC-12-1-75
MAINLINE LOSS
at RF level of -10 dBm
40
COUPLING &
DIRECTIVITY (dB)
Demo Board MCL P/N: TB-34
Suggested PCB Layout (PL-043)
MAINLINE LOSS (dB)
1.1
Mainline Loss
(dB)
In-Out
1.0
0.9
0.8
0.7
DIRECTIVITY
20
10
0
0.6
0
100
200
300
400
500
600
0
100
FREQUENCY (MHz)
at RF level of -10 dBm
50
200
300
400
500
600
FREQUENCY (MHz)
Electrical Schematic
LRDC-12-1-75
RETURN LOSS
IN
RETURN LOSS (dB)
COUPLING
30
OUT
CPL
40
30
20
10
0
100
200
300
400
500
600
FREQUENCY (MHz)
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IF/RF MICROWAVE COMPONENTS
REV. C
M119986
LRDC-12-1-75
WZ/TD/CP/AM
081111