EPCOS B7842

SAW Components
Data Sheet B7842
SAW Components
B7842
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Features
Chip sized SAW package QCS5C
■ Low-loss RF filter for mobile telephone
0,075
0,38
0,44
5
bottom view
0,68
1
3
side view
1,4
2
0,075
■
■
■
■
■
0.735
GSM850 systems, receive path
Usable passband 25 MHz
Unbalanced operation
Impedance 50 Ω input and output
Suitable for GPRS Class 1 to 12
Ceramic Package for Surface Mounted
Technology (SMT)
top view
4
Terminals
2,0
■ Ni, gold-plated
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1
4
2, 3, 5
2, 3, 5
Input, unbalanced
Output, unbalanced
Case ground
to be grounded
1
4
2,5
3
Type
Ordering code
Marking and Package
Packing
B7842
B39881-B7842-C710
according to
C61157-A7-A111
according to
F61074-V8151-Z0000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Input power max.
T
Tstg
VDC
PIN
– 30 / + 85
– 40 / + 85
5
15
2
˚C
˚C
V
dBm
17 Sep, 2003
SAW Components
B7842
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = 25 ± 2 ˚C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
869,0 ... 894,0
αmax
MHz
typ.
max.
—
881,5
—
MHz
—
1,6
2,0
dB
dB
∆α
Amplitude ripple (p-p)
869,0 ... 894,0
MHz
—
0,6
1,0
869,0 ... 894,0
MHz
—
1,7
2,0
869,0 ... 894,0
MHz
—
1,7
2,0
0,0
450,0
800,0
914,0
960,0
MHz
MHz
MHz
MHz
MHz
Input VSWR
Output VSWR
α
Attenuation
... 450,0
... 800,0
... 849,0
... 960,0
...6000,0
3
38,0
30,0
24,0
24,0
26,0
17 Sep, 2003
44,0
35,0
26,0
26,0
33,0
—
—
—
—
—
dB
dB
dB
dB
dB
SAW Components
B7842
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30 ... +85 ˚C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
869,0 ... 894,0
αmax
MHz
typ.
max.
—
881,5
—
MHz
—
1,6
2,2
dB
dB
∆α
Amplitude ripple (p-p)
869,0 ... 894,0
MHz
—
0,6
1,3
869,0 ... 894,0
MHz
—
1,7
2,1
869,0 ... 894,0
MHz
—
1,7
2,1
0,0
450,0
800,0
914,0
960,0
MHz
MHz
MHz
MHz
MHz
Input VSWR
Output VSWR
α
Attenuation
... 450,0
... 800,0
... 849,0
... 960,0
...6000,0
4
38,0
30,0
24,0
24,0
26,0
17 Sep, 2003
44,0
35,0
26,0
26,0
33,0
—
—
—
—
—
dB
dB
dB
dB
dB
SAW Components
B7842
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function (Narrowband measurement)
Transfer function (Wideband measurement)
5
17 Sep, 2003
SAW Components
B7842
881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC WT
P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2003. Reproduction, publication and dissemination of this brochure and the information 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.
6
17 Sep, 2003