Power Splitter/Combiner
2 Way-90°
Maximum Ratings
Operating Temperature
Storage Temperature
Power Input (as a splitter)
-40°C to 85°C
-55°C to 100°C
1W max.
Surface Mount
LRPQ-70
50Ω
65 to 75 MHz
Features
• low insertion loss, 0.1 dB typ.
• high isolation, 30 dB typ.
• excellent phase unbalance 1 deg. typ.
• excellent return loss, VSWR 1.12:1 typ.
CASE STYLE: QQQ130
PRICE: $9.95 ea. QTY (1-9)
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
SUM PORT
PORT 1 (0°)
PORT 2 (+90°)
GROUND
50 OHM TERM EXTERNAL
6
4
1
2,5
3
Applications
• VHF
• instrumentation
• modulators
• balanced amplifiers
Electrical Specifications
FREQ.
RANGE
(MHz)
f
L
-f
U
65-75
ISOLATION
(dB)
Typ. Min.
30
20
Outline Drawing
INSERTION LOSS (dB)
Avg. of Coupled Outputs
ABOVE 3 dB
Typ. Max.
0.1
0.5
PHASE
UNBALANCE
(Degrees)
Max.
3
AMPLITUDE
UNBALANCE
(dB)
Max.
1.0
LRPQ units have bottom barrier ground plane insulated with glass barrier.
Typical Performance Data
Frequency
(MHz)
PCB Land Pattern
65.00
65.50
66.00
66.75
67.50
68.25
69.00
69.75
70.50
71.25
Suggested Layout,
Tolerance to be within .002
Total Loss
1
(dB)
S-1
2.78
2.81
2.84
2.88
2.94
2.98
3.02
3.07
3.10
3.15
3.19
3.25
3.30
3.33
3.36
Amplitude
Unbalance
(dB)
0.68
0.61
0.54
0.45
0.35
0.27
0.18
0.09
0.00
0.08
0.17
0.29
0.39
0.45
0.50
Isolation
(dB)
Phase
Unbalance
(deg.)
90.74
90.74
90.73
90.69
90.72
90.75
90.78
90.78
90.81
90.77
90.79
90.82
90.86
90.84
90.86
VSWR
S
VSWR
1
VSWR
2
S-2
3.45
3.42
3.38
3.34
3.29
3.25
3.20
3.15
3.10
3.07
3.02
2.97
2.91
2.89
2.86
29.08
29.00
28.95
28.81
28.73
28.60
28.52
28.40
28.32
28.21
28.13
27.99
27.87
27.83
27.76
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
1.12
LRPQ-70
ISOLATION
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
Outline Dimensions (
inch
)
mm
A
.400
10.16
H
.420
10.67
B
.31
7.87
J
.120
3.05
C
.200
5.08
K
.060
1.52
D
.10
2.54
L
.100
2.54
E
.010
0.25
M
.020
0.51
F
.100
2.54
G
.050
1.27
TOTAL LOSS (dB)
4.4
72.00
73.00
74.00
74.50
75.00
1. Total Loss = Insertion Loss + 3dB splitter loss.
LRPQ-70
TOTAL LOSS
S-1(dB)
S-2(dB)
33
ISOLATION (dB)
31
29
27
25
wt
grams
0.55
4.0
3.6
3.2
2.8
2.4
65
67
Demo Board MCL P/N: TB-226
Suggested PCB Layout (PL-140)
69
71
73
75
65
67
69
71
73
75
FREQUENCY (MHz)
FREQUENCY (MHz)
LRPQ-70
PHASE UNBALANCE
91.0
PHASE UNBALANCE
(Deg.)
90.8
90.6
90.4
90.2
90.0
65
67
69
71
73
75
FREQUENCY (MHz)
electrical schematic
ISO 9001 ISO 14001 AS 9100
CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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Notes: 1.
Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet.
2.
Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
3.
The parts covered by this specification sheet 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.
REV. B
M127604
LRPQ-70
HY/TD/CP
100621
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