B39881-B7838-C710 [EPCOS]
SAW Components Low-Loss Filter for Mobile Communication 881,5 MHz; 声表面波元件低损耗滤波器移动通信881,5 MHz的
| 型号： | B39881-B7838-C710 |
| 厂家： | 
EPCOS |
| 描述： | SAW Components Low-Loss Filter for Mobile Communication 881,5 MHz |
| 文件： | 总8页 (文件大小：108K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet B7838
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Chip sized SAW package QCS5C
0.735
Features
■ Low-loss RF filter for mobile telephone
GSM850/AMPS system, receive path
■ Usable passband 25 MHz
■ Unbalanced to balanced operation
■ Excellent symmetry
■ Impedance transformation from 50 Ω
to 100 Ω
■ Suitable for GPRS class 1 to12
■ Ceramic package for Surface Mounted
Technology (SMT)
0,075
0,38
2
5
3
bottom view
side view
4
2,0
Terminals
top view
■ Ni, gold-plated
Dimensions in mm, approx. weight 0,007g
Pin configuration
1
3, 4
2, 5
Unbalanced input
Balanced output
To be grounded
Type
Ordering code
Marking and Package
according to
Packing
according to
B7838
B39881-B7838-C710
C61157-A7-A111
F61074-V8151-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
– 30 / + 85
– 40 / + 85
˚C
˚C
DC voltage
ESD voltage
Input power at
GSM850, GSM900,
GSM1800 and GSM1900
Tx bands
VDC
V*ESD
PIN
5
100*
15
V
V
dBm
Machine Model, 10 pulses
peak power of GSM signal,
duty cycle 4:8
* -acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
881,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= +25 ˚C
ZS = 50 Ω (unbalanced)
ZL = 100 Ω (balanced)
min.
typ.
max.
fC
—
881,5
—
MHz
Center frequency
Maximum insertion attenuation
αmax
869,0 ... 894,0 MHz
—
—
1,7
0,5
11,0
11,0
0
2,0 dB
0,8 dB
Amplitude ripple (p-p)
Input return loss
∆α
869,0 ... 894,0 MHz
869,0 ... 894,0 MHz
869,0 ... 894,0 MHz
10,0
—
dB
dB
Output return loss
10,0
-0,5
-5
—
Output amplitude balance (|S31/S21|)
869,0 ... 894,0 MHz
0,5 dB
Output phase balance (φ(S31)−φ(S21)+180˚)
869,0 ... 894,0 MHz
0
5
degree
Attenuation
α
0,0 ... 840,0 MHz
840,0 ... 849,0 MHz
914,0 ... 950,0 MHz
950,0 ...6000,0 MHz
47
47
24
45
55
50
27
55
—
—
—
—
dB
dB
dB
dB
3
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= -30 to +85 ˚C
ZS = 50 Ω (unbalanced)
ZL = 100 Ω (balanced)
min.
typ.
max.
fC
—
881,5
—
MHz
Center frequency
Maximum insertion attenuation
αmax
869,0 ... 894,0 MHz
—
—
1,9
0,7
11,0
11,0
0
2,2 dB
1,0 dB
Amplitude ripple (p-p)
Input return loss
∆α
869,0 ... 894,0 MHz
869,0 ... 894,0 MHz
869,0 ... 894,0 MHz
10,0
—
dB
dB
Output return loss
10,0
-0,5
-5
—
Output amplitude balance (|S31/S21|)
869,0 ... 894,0 MHz
0,5 dB
Output phase balance (φ(S31)−φ(S21)+180˚)
869,0 ... 894,0 MHz
0
5
degree
Attenuation
α
0,0 ... 840,0 MHz
840,0 ... 849,0 MHz
914,0 ... 950,0 MHz
950,0 ...6000,0 MHz
47
40
24
45
55
45
27
55
—
—
—
—
dB
dB
dB
dB
4
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Transfer function (narrowband)
Transfer function (wideband)
5
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Matching (measurement)
6
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Output amplitude balance (|S31/S21|)
Output phase balance (φ(S31)−φ(S21)+180˚)
7
Mar 04, 2004
SAW Components
B7838
Low-Loss Filter for Mobile Communication
Data Sheet
881,5 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC PD
P.O. Box 80 17 09, 81617 Munich, GERMANY
EPCOS AG 2004. 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.
8
Mar 04, 2004
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