A
B
C
D
E
F
G
H
.250
.300
.070
.320
.050
.015
.050
.075
6.35
7.62
1.78
8.13
1.27
0.38
1.27
1.91
J
K
L
M
N
P
Q
R
wt
.030
.095
.330
.100
.020
.015
.070
.014 grams
0.76
2.41
8.38
2.54
0.51
0.38
1.78
0.36
0.3
Frequency
(MHz)
Insertion Loss
(dB)
Amplitude
Unbalance
(dB)
Isolation
(dB)
Phase
Unbalance
(deg.)
VSWR
S
VSWR
1
VSWR
2
S-1
S-2
QBA-07
INSERTION LOSS
2.5
2.9
3.3
3.7
4.1
4.5
340
408
476
544
612
680
FREQUENCY (MHz)
INSERTION LOSS (dB)
S-1 (dB)
S-2 (dB)
at RF level of -10 dBm
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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
Typical Performance Data
Splitter Electrical Specifications
Maximum Ratings
Pin Connections
SUMPORT
1
PORT 1 (+90)
10
PORT 2 (0)
6
GROUND
2,3,4,7,8,9
50 OHM TERM EXTERNAL
5
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
QBA-07+
QBA-07
2 Way-90 50 340 to 680 MHz
Power Splitter/Combiner
REV. C
M102713
ED-8943/03
QBA-07
LC/TD/CP
060821
Surface Mount
Features
low insertion loss, 0.5 dB typ.
high power capability, 27W
hermetically sealed
low variation with temperature
low profile, 0.07" height
protected by U.S. Patent 5,534,830
Applications
NMT
land mobile radio
broadcasting
CASE STYLE: SM1L
PRICE: $6.95 ea. QTY (10-49)
QBA-07
ISOLATION
15
17
19
21
23
25
340
408
476
544
612
680
FREQUENCY (MHz)
ISOLATION (dB)
at RF level of -10 dBm
QBA-07
PHASE UNBALANCE
90
91
92
93
94
95
340
408
476
544
612
680
FREQUENCY (MHz)
P
H
A
S
E
U
N
B
A
L
A
N
C
E
(
D
e
g
.
)
electrical schematic
Outline Drawing
Outline Dimensions ( )
inch
mm
PCB Land Pattern
Suggested Layout,
Tolerance to be within
.002
Demo Board MCL P/N: TB-115
Suggested PCB Layout (PL-004)
+ 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.
340.00
3.99
3.00
0.99
23.80
90.39
1.14
1.08
1.12
400.00
3.53
3.46
0.07
22.78
90.93
1.17
1.10
1.14
430.00
3.36
3.64
0.27
22.29
91.23
1.19
1.11
1.14
460.00
3.24
3.80
0.56
21.83
91.60
1.20
1.12
1.15
500.00
3.15
3.98
0.83
21.25
91.99
1.22
1.14
1.17
530.00
3.10
4.05
0.96
20.80
92.41
1.24
1.15
1.18
590.00
3.12
4.17
1.05
19.93
93.19
1.27
1.18
1.20
600.00
3.13
4.17
1.04
19.79
93.37
1.27
1.19
1.21
640.00
3.20
4.14
0.94
19.19
94.07
1.29
1.21
1.22
660.00
3.28
4.13
0.85
18.91
94.38
1.30
1.22
1.23
680.00
3.37
4.09
0.73
18.63
94.75
1.31
1.23
1.24
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
Avg. of Coupled Outputs
less 3 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
THERMAL
RESISTANCE
jc, C/W
POWER
(W)
f
L
-f
U
Typ. Min.
--
X
Typ. Max.
Typ. Max.
Typ.
340-680
22
16
0.8
0.1
3.0
7.0
0.7
2.0
20
21*
340-530
23
18
0.5
0.1
1.7
4.0
0.7
2.0
20
27**
* Derate linearly to 9W at 100C
** Derate linearly to 12W at 100C
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