SAW Components
Low-Loss Filter
Data Sheet
Chip Sized SAW Package
Features
Low loss RF filter for GPS receivers
Unbalanced to balanced operation
Low amplitude ripple
Impedance transformation from 50
Ω
to 100
Ω
q
Package for
Surface Mounted Technology
(SMT)
q
q
q
q
0.735
0,075
2
3
B7840
1575,42 MHz
0,38
0,075
0,44
5
4
bottom view
1
0,68
2,0
1,4
Terminals
q
Ni, gold-plated
side view
top view
Dimensions 2,0x1,4 mm
2
, approx. weight 0,007 g
Pin configuration
1
3, 4
2, 5
Input, unbalanced
Output, balanced
Case ground
Type
B7840
Ordering code
B39162-B7840-C710
Marking and Package
according to
C61157-A7-A82
Packing
according to
F61074-V8151-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
T
Storage temperature range
T
stg
DC voltage
V
DC
Source power
P
s
source 50
Ω,
load 100
Ω
– 40/+ 85
– 40/+ 85
3
10
5
˚C
˚C
V
dBm
824...1525, 1710...2500 MHz
elsewhere
2
Apr 25, 2003
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7840
1575,42 MHz
T
A
= -30 ... +85 ˚C
Z
S
= 50
Ω
unbal.
Z
L
= 100
Ω
bal.
min.
typ.
1575,42
max.
—
MHz
Nominal frequency
f
N
—
Maximum insertion attenuation
α
max
1574,42MHz ...
1576,42MHz*)
1574,42MHz ...
1576,42 MHz
Amplitude ripple in passband
(p-p)
∆α
1574,42MHz ...
1576,42 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1574,42MHz ...
1576,42 MHz
Output amplitude balance
(|S
31
/S
21
|)
1574,42MHz ...
1576,42 MHz
Return loss
1574,42 ...1576,42 MHz
VSWR
1574,42 ...1576,42 MHz
Absolute attenuation
100,0 MHz ...
960,0 MHz ...
1425,0 MHz ...
1475,0 MHz ...
1515,0 MHz ...
1625,0 MHz ...
1635,0 MHz ...
1675,0 MHz ...
1750,0 MHz ...
1805,0 MHz ...
1980,0 MHz ...
2400,0 MHz ...
3155,0 MHz ...
α
rel
960,0 MHz
1425,0 MHz
1475,0 MHz
1515,0 MHz
1525,0 MHz
1635,0 MHz
1675,0 MHz
1750,0 MHz
1805,0 MHz
1980,0 MHz
2400,0 MHz
3155,0 MHz
6000,0 MHz
—
—
1,2
1,2
1,6
1,7
dB
dB
—
0,1
0,3
dB
-10
6
10
˚
-1,0
0,2
1,0
dB
11,0
—
21
1,2
—
1,8
dB
40
35
30
20
17
12
20
30
35
40
35
40
35
48
42
42
32
27
30
30
34
44
47
39
52
44
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
*)
T
A
= +25 ˚C
3
Apr 25, 2003
SAW Components
Low-Loss Filter
Data Sheet
B7840
1575,42 MHz
Published by EPCOS AG
SAW MC WT, P.O. Box 80 17 09, 81617 Munich, GERMANY
TEL ++49 89 636 09, FAX ++49 89 636 2 26 89
©
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the informa-
tion contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of
the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
5
Apr 25, 2003
Talking
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