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Distribution Centers NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
50 5 to 500 MHz
Directional Coupler
Surface Mount
CASE STYLE: QQQ130
PRICE: $15.95 ea. QTY (1-9)
Demo Board MCL P/N: TB-31
Suggested PCB Layout (PL-087)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
INPUT
6
OUTPUT
1
COUPLED
4
GROUND
2,5
ISOLATE (DO NOT USE)
3
Outline Drawing
Directional Coupler Electrical Specifications
A
B
C
D
E
F
G
.400
.31
.200
.10
.010
.100
.050
10.16
7.87
5.08
2.54
0.25
2.54
1.27
H
J
K
L
M
wt
.420
.120
.060
.100
.020
grams
10.67
3.05
1.52
2.54
0.51
0.55
Typical Performance Data
+ 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.
LRDC-10-1+
LRDC-10-1
Operating Temperature
-40C to 85 C
Storage Temperature
-55C to 100C
Features
low insertion loss, 0.9 dB typ.
high directivity, 30 dB typ.
Applications
VHF/UHF
reflective power measurements
communications
signal sampling
LRDC-10-1
MAINLINE LOSS
0.0
0.4
0.8
1.2
1.6
2.0
0
100
200
300
400
500
FREQUENCY (MHz)
MAINLINE
LOSS
(dB)
at RF level of -10 dBm
LRDC-10-1
COUPLING & DIRECTIVITY
0
10
20
30
40
50
0
100
200
300
400
500
FREQUENCY (MHz)
C
O
U
P
L
I
N
G
&
DIRECTIVITY
(dB)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
LRDC-10-1
RETURN LOSS
0
10
20
30
40
50
0
100
200
300
400
500
FREQUENCY (MHz)
R
E
T
U
R
N
L
O
S
S
(
d
B
)
IN
OUT
CPL
at RF level of -10 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
REV. A
M98898
LRDC-10-1
WZ/TD/CP
060718
5.00
0.87
10.56
34.05
32.58
21.08
21.19
9.00
0.86
10.55
34.98
34.24
21.38
21.44
22.00
0.86
10.57
34.87
34.86
21.43
21.53
38.00
0.87
10.61
34.30
33.52
21.31
21.52
55.00
0.89
10.62
34.06
31.49
21.16
21.52
80.00
0.92
10.61
33.94
28.84
20.90
21.53
130.00
0.97
10.68
33.37
25.10
20.17
21.41
280.00
1.01
10.66
27.76
19.24
17.58
20.72
420.00
1.25
10.69
22.09
16.25
15.45
19.95
500.00
1.36
10.67
19.44
15.06
14.47
19.60
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT, W
Nom. Flatness
L
M
U
L
M
U
L
MU
f
L
-f
U
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
Typ.
Max. Max.
5-500
10.70.5
0.5
0.9
1.4
0.9
1.4
1.2
1.9
31
25
30
20
25
16
1.2
1.0
1.0
L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to f
U
/2] U = upper range [f
U
/2 to f
U
]
1. Mainline loss includes therotertical power loss at coupled port.
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