B39850-B4943-U910 [EPCOS]
SAW Components Low-Loss Filter for Mobile Communication 85,38 MHz; 声表面波元件低损耗滤波器移动通信85,38兆赫
| 型号： | B39850-B4943-U910 |
| 厂家： | 
EPCOS |
| 描述： | SAW Components Low-Loss Filter for Mobile Communication 85,38 MHz |
| 文件： | 总6页 (文件大小：103K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet B4943
SAW Components
B4943
Low-Loss Filter for Mobile Communication
Data Sheet
85,38 MHz
SMD ceramic package QCC10C
Features
■ IF filter for mobile telephone
■ Channel selection in CDMA systems
■ Balanced or unbalanced operation possible
■ High rejection, small size
■ Low amplitude ripple
■ Filter surface passivated
■ Package for Surface Mounted Technology (SMT)
Terminals
■ Ni, gold plated
Dimensions in mm, approx. weight 0,24 g
Pin configuration
10
Input
9
5
Balanced input or input ground
Output
4
2, 7
Balanced output or output ground
Case ground
1, 3, 6, 8
Not connected
Type
Ordering code
Marking and Package
according to
C61157-A7-A73
Packing
according to
F61074-V8105-Z000
B4943
B39850-B4943-U910
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
– 40/+ 85
– 40/+ 85
13
˚C
˚C
V
DC voltage
VDC
Ps
Source power
10
dBm
2
Dec 01, 2000
SAW Components
B4943
Low-Loss Filter for Mobile Communication
Data Sheet
85,38 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= –35˚C .. +85 ˚C
ZS = 1975 Ω || 340 nH
ZL = 1600 Ω || 350 nH
min.
typ.
max.
fN
—
85,38
—
MHz
Nominal frequency
Minimum insertion attenuation
αmin
—
10,0
11,5 dB
0,8 dB
(including loss in matching network without loss in balun)
Amplitude ripple
∆α
fN – 0,3 MHz ...
fN + 0,3 MHz
fN + 0,63 MHz
—
—
—
0,5
2,5
4,0
Phase linearity (rms deviation)
fN – 0,63 MHz ...
3,5
˚
Relative attenuation (relative to αmin
)
αrel
fN ± 0,63 MHz
5,0 dB
fN – 0,9 MHz
fN + 0,9 MHz
fN – 1,7 MHz
fN + 1,7 MHz
35
35
35
38
38
35
35
38
41
55
39
44
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
—
fN – 9,0 MHz ...
fN – 2,0 MHz ...
fN + 0,9 MHz ...
fN + 1,7 MHz ...
fN – 2,0 MHz
fN – 0,9 MHz
fN + 1,7 MHz
fN + 9,0 MHz
3
Dec 01, 2000
SAW Components
B4943
Low-Loss Filter for Mobile Communication
Data Sheet
85,38 MHz
Normalized transfer function (balanced/balanced)
Normalized transfer function (passband, balanced/balanced):
4
Dec 01, 2000
SAW Components
B4943
Low-Loss Filter for Mobile Communication
Data Sheet
85,38 MHz
Normalized transfer function (wideband, balanced/balanced)
5
Dec 01, 2000
SAW Components
B4943
Low-Loss Filter for Mobile Communication
Data Sheet
85,38 MHz
Test matching network to 200Ω / 200Ω
(Element values depend on pcb layout)
Cs1= 3,9 pF || 2,2 pF
Cs2= 6,8 pF
L
L
p1 = 220 nH || 1 pF
p2 = 220 nH || 1,5 pF
C
s3 = 5,6 pF
Cs4 = 6,8 pF
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E MF
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
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
Dec 01, 2000
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