B39241-B4909-Z910 [EPCOS]
SAW Filter, 1 Function(s), 238.55MHz;
| 型号： | B39241-B4909-Z910 |
| 厂家： | 
EPCOS |
| 描述： | SAW Filter, 1 Function(s), 238.55MHz LTE PC |
| 文件： | 总4页 (文件大小：94K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Low-Loss Filter for Mobile Communication
B4909
238,55 MHz
Data Sheet
Ceramic package QCC12B
Features
● IF filter for mobile telephone
● Channel selection in CDMA-systems
● Ceramic SMD package
● Low insertion attenuation
● High rejection
Terminals
● Gold-plated Ni
Dimensions in mm, approx. weight 0,2g
Pin configuration
10
Input
12
4
Input ground
Output
6,2
1, 7, 8
3, 9
Output ground
to be grounded
Case ground
Electrostatic Sensitive Device (ESD)
Type
Ordering code
Marking and Package
Packing
according to
according to
F61064-V8026-Z000
B4909
B39241-B4909-Z910
C61157-A7-A38
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
– 40/+ 85
– 40/+ 85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
Preliminary format of data sheet.
Terms of delivery and rights to change design reserved.
Page 1 of 4
OFW EM AA
Jan. 15, 1999
SAW Components
Low-Loss Filter for Mobile Communication
B4909
238,55 MHz
Data Sheet
Characteristics
Operating temperature:
T
= -40 ˚C to +85 ˚C
Terminating source impedance:
Terminating load impedance:
ZS = 310Ω || 32 nH
ZL = 400Ω || 42 nH
min.
typ.
max.
fN
—
238,55
—
MHz
Nominal frequency
Insertion attenuation at fN
(including loss in matching network)
αfN
—
6,5
0,4
8,5 dB
Amplitude ripple (p-p,after gating1))
∆α
fN–0,30 ... fN+0,30
MHz
—
1,2 dB
Phase linearity (after gating1))
(rms deviation)
fN–0,63 ... fN+0,63
MHz
MHz
—
—
1,5
2,8
3,0
˚
Relative attenuation (relative to αfN)
αrel
fN–0,63 ... fN+0,63
5,0 dB
fN–200,0 ... fN–30,0
fN–30,0 ... fN–4,05
fN–4,05 ... fN–2,05
fN–2,05 ... fN–1,25
fN–1,25
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
60,0
45,0
40,0
34,0
—
70,0
52,0
48,0
48,0
48,0
45,0
45,0
50,0
50,0
65,0
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
—
fN+1,25
—
fN+1,25 ... fN+2,05
fN+2,05 ... fN+4,05
fN+4,05 ... fN+60,0
34,0
40,0
45,0
60,0
—
fN+60,0 ... fN+200,0 MHz
—
30,0
34,0
—
dB
Reflected wave signal suppression
Temperature coefficient of frequency 2)
Frequency inversion point
TCf
T0
—
—
–0,036
20
—
—
ppm/K2
˚C
1) Removal of trailing end of time domain response for which all of signal is more than 30dB below
main pulse
2) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2)
Preliminary format of data sheet.
Terms of delivery and rights to change design reserved.
Page 2 of 4
OFW EM AA
Jan. 15, 1999
SAW Components
Low-Loss Filter for Mobile Communication
B4909
238,55 MHz
Data Sheet
Transfer function:
Transfer function (pass band, after gating1)):
Preliminary format of data sheet.
Terms of delivery and rights to change design reserved.
Page 3 of 4
OFW EM AA
Jan. 15, 1999
SAW Components
Low-Loss Filter for Mobile Communication
B4909
238,55 MHz
Data Sheet
Transfer function (wideband):
Test matching network to 50 Ω (element values depend on PCB layout):
Ls1 = 68nH
Lp2 = 39nH
Lp3 = 47nH
Ls4 = 82nH
Preliminary format of data sheet.
Terms of delivery and rights to change design reserved.
Page 4 of 4
OFW EM AA
Jan. 15, 1999
相关型号：
B39241B5043Z710
SAW Filter, 1 Function(s), 238.5MHz, ROHS COMPLIANT, CERAMIC, SMD, QCC10B, 10 PIN
EPCOS
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