EPCOS B7735 User Manual
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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
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