器件名称: B7721
功能描述: Low-Loss Filter for Mobile Communication
文件大小: 65.51KB 共6页
简 介:SAW Components
Data Sheet B7721
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Features
s Low-loss RF filter for mobile telephone
B7721 942,5 MHz
Chip sized SAW package DCS6K
0,1 4 5 6 0,1
bottom view
EGSM system, receive path Low amplitude ripple Usable passband 35 MHz Unbalanced to balanced operation Excellent symmetry Impedance transformation from 50 to 200 s Suitable for GPRS class 1 to 12 s Ceramic package for Surface Mounted Technology (SMT) s Pb-free
s s s s s
0,5
3
2
1
0,5
0,8 2,5 2,0
side view
top view
Terminals
s Ni, gold-plated
Dimensions in mm Pin configuration 2 4, 6 1, 3, 5 1, 5 Input, unbalanced Balanced outputs To be grounded Case ground
Type B7721
Ordering code B39941–B7721–C910
Marking and Package according to C61157-A7-A97
Packing according to F61074-V8153-Z000
Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input power at GSM850, GSM900 GSM1800 and GSM1900 Tx bands
T Tstg VDC VESD PIN
– 25 / + 85 – 40 / + 85 5 100 15
C C V V dBm
peak power of GSM signal, duty cycle 4:8
2
Oct 25, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B7721 942,5 MHz
T = 25 ± 2 C ZS = 50 ZL = 200 || 68 nH
min. typ. 942,5 max. — MHz
Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... ……
