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SAW Components
Data Sheet B7735
SAW Components B7735
Low-Loss Filter for Mobile Communication
942,5 MHz
Data Sheet
Features
■ Low-loss RF filter for mobile telephone
Chip sized SAW package DCS6K
EGSM system, receive path
■ Low amplitude ripple
■ Usable passband 35 MHz
■ Unbalanced to balanced operation
■ Excellent symmetry
■ Impedance transformation from 50 Ω
to 150 Ω
■ Suitable for GPRS class 1 to 12
■ Ceramic package for Surface Mounted
Technology (SMT)
■ Pb-free
Terminals
■ Ni, gold-plated
Dimensions in mm
Pin configuration
2 Input, unbalanced
4, 6 Balanced outputs
1, 3, 5 To be grounded
1, 5 Case ground
Type Ordering code Marking and Package
according to
Packing
according to
B7735 B39941-B7735-C910 C61157-A7-A97 F61074-V8153-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power at
GSM850, GSM900
T
T
V
V
P
stg
DC
ESD
IN
– 30 / + 85 ˚C
– 40 / + 85 ˚C
5V
100 V
15 dBm peakpowerofGSM signal,
duty cycle 4:8
GSM1800 and GSM1900
Tx bands
2 Dec 02, 2003
SAW Components B7735
Low-Loss Filter for Mobile Communication
942,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= 25 ± 2 ˚C
Z
= 50 Ω
S
Z
= 150 Ω || 100 nH
L
min. typ. max.
Center frequency
f
C
— 942,5 — MHz
Maximum insertion attenuation α
925,0 ... 960,0 MHz — 2,3 2,7 dB
Amplitude ripple (p-p) ∆α
925,0 ... 960,0 MHz — 0,9 1,4 dB
Input VSWR
925,0 ... 960,0 MHz — 1,8 2,2
Output VSWR
925,0 ... 960,0 MHz — 1,8 2,2
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0 MHz -10 — 10 degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0 MHz -2 — 2 dB
Diff. to common mode suppression S
925,0 ... 960,0 MHz 20 26 — dB
824,0 ... 995,0 MHz 20 26 — dB
1648,0 ... 1990,0 MHz 20 50 — dB
3296,0 ... 3980,0 MHz 20 29 — dB
Attenuation α
0,0 ... 880,0 MHz 50 68 — dB
880,0 ... 905,0 MHz 30 52 — dB
905,0 ... 915,0 MHz 20 29 — dB
980,0 ...1050,0 MHz 23 34 — dB
1050,0 ...1850,0 MHz 50 55 — dB
1850,0 ...1920,0 MHz 50 71 — dB
1920,0 ...2880,0 MHz 50 60 — dB
2880,0 ...4000,0 MHz 40 59 — dB
4000,0 ...6000,0 MHz 40 60 — dB
max
sc12
3 Dec 02, 2003
SAW Components B7735
Low-Loss Filter for Mobile Communication
942,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= -10 to +75 ˚C
Z
= 50 Ω
S
Z
= 150 Ω || 100 nH
L
min. typ. max.
Center frequency
f
C
— 942,5 — MHz
Maximum insertion attenuation α
925,0 ... 960,0 MHz — 2,5 3,01)dB
Amplitude ripple (p-p) ∆α
925,0 ... 960,0 MHz — 1,2 1,7 dB
Input VSWR
925,0 ... 960,0 MHz — 1,8 2,2
Output VSWR
925,0 ... 960,0 MHz — 1,8 2,2
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0 MHz -10 — 10 degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0 MHz -2 — 2 dB
Diff. to common mode suppression S
925,0 ... 960,0 MHz 20 38 — dB
824,0 ... 995,0 MHz 20 29 — dB
1648,0 ... 1990,0 MHz 20 50 — dB
3296,0 ... 3980,0 MHz 20 31 — dB
Attenuation α
0,0 ... 880,0 MHz 50 68 — dB
880,0 ... 905,0 MHz 30 52 — dB
905,0 ... 915,0 MHz 20 29 — dB
980,0 ...1050,0 MHz 23 30 — dB
1050,0 ...1850,0 MHz 50 55 — dB
1850,0 ...1920,0 MHz 50 71 — dB
1920,0 ...2880,0 MHz 50 60 — dB
2880,0 ...4000,0 MHz 40 59 — dB
4000,0 ...6000,0 MHz 40 60 — dB
max
sc12
1
) 5,0 dB for T= -30˚C to +85˚C
4 Dec 02, 2003
SAW Components B7735
Low-Loss Filter for Mobile Communication
942,5 MHz
Data Sheet
Transfer function (measurement)
Transfer function (wideband measurement)
5 Dec 02, 2003
SAW Components B7735
Low-Loss Filter for Mobile Communication
942,5 MHz
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 2002. Reproduction, publication and dissemination of thisbrochure 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 ElectricalandElectronicsIndustryrecommendedbytheZVEI(German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, pricesand delivery please contact the SalesOffices of EPCOS AG or
the international Representatives.
Due to technical requirements components maycontain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
6 Dec 02, 2003
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