SAW filters for mobile communications
Series/Type:
B9750
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39202B9750F210
Substitute Product
B39202B9800J610
Date of Withdrawal
2009-04-30
Deadline Last Orders Last Shipments
2009-10-31
2010-01-31
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable
substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
SAW Components
SAW Rx 2in1 filter
Data sheet
Application
s
Low-loss
B9750
1960.0 / 1842.5 MHz
2in1 RF filter for mobile telephone
GSM 1900 and GSM 1800 systems, receive path
(Rx)
s
Usable passband:
Filter 1 (GSM 1900): 60 MHz
Filter 2 (GSM 1800): 75 MHz
s
Unbalanced to balanced operation for all filters
s
Impedance transformation from 50
Ω
to 150
Ω
for
both filters
s
Low amplitude ripple
Suitable for GPRS class 1 to 12
t.b.d
Features
s
s
s
s
s
s
s
0.49
Package size 1.5 x1.1 x 0.40
Package code QCS10W
RoHS compatible
Approx. weight 0.003 g.
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
mm
3
0.18
1
0.175
2
3
0,39
4
0.18
0,4
1.1
10
0.075
5
bottom view
9
0.21
8
7
6
0.075
side view
1.5
top view
Pin configuration
s
s
s
s
s
1
4
6,7
8,9
2,3,5,10
Input [ Filter 1]
Input [ Filter 2 ]
Output balanced [ Filter 2 ]
Output balanced [ Filter 1 ]
Case ground
1
9
8
7
4
2,3,5,10
6
Please read
cautions and warnings and
important notes
at the end of this document.
2
May 07, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
Characteristics of Filter 1 ( GSM 1900 )
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9750
1960.0 / 1842.5 MHz
T
=
Z
S
=
Z
L
=
-20 ˚C to +75 ˚C
50
Ω
150
Ω
|| 13 nH (balanced)
B9750
typ.
@25˚C
1960.0
1.4
1)
0.5
1.7
1.7
min.
Center frequency
Maximum insertion attenuation
1930.0 ... 1990.0
Amplitude ripple
(p-p)
1930.0 ... 1990.0
Input VSWR
1930.0 ... 1990.0
Output VSWR
1930.0 ... 1990.0
MHz
—
MHz
—
MHz
∆α
MHz
—
f
C
α
max
—
—
max.
—
MHz
2.5
2)
dB
1.7
3)
dB
2.0
2.0
Output amplitude balance
(|S
31
/S
21
|)
1930.0 ... 1990.0 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1930.0 ... 1990.0 MHz
Attenuation
10.0
1510.0
1830.0
1850.0
1890.0
2010.0
2070.0
2400.0
2500.0
3860.0
3980.0
5790.0
1)
2)
3)
–1.0
-0.4/0.6
1.0
dB
–10
α
-7/+7
10
˚
...
...
...
...
...
...
...
...
...
...
...
...
1510.0
1830.0
1850.0
1890.0
1910.0
2070.0
2400.0
2500.0
3860.0
3980.0
5790.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
40
29
23
23
12
12
19
35
28
36
30
32
44
31
32
26
17
17
22
41
32
40
36
37
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Typical value excluding PCB losses of 0.24 dB.
2.0 dB at 25 ˚ c
1.3 dB at 25 ˚ c
Please read
cautions and warnings and
important notes
at the end of this document.
3
May 07, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
B9750
1960.0 / 1842.5 MHz
Maximum ratings of Filter 1
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input power at
GSM 850, GSM 900
GSM 1800, GSM 1900
Tx bands
1)
–40/+85
–40/+85
5
50
1)
15
15
˚C
˚C
V
V
dBm
dBm
machine model, 1 pulse
effective power in the on-state,
duty cycle 4:8
T
stg
V
DC
V
ESD
P
IN
P
IN
acc. to JESD22-A115A (machine model), 1 negative & 1 positive pulse.
Please read
cautions and warnings and
important notes
at the end of this document.
4
May 07, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
Transfer function of Filter 1
B9750
1960.0 / 1842.5 MHz
Transfer function of Filter 1 -
wideband
Please read
cautions and warnings and
important notes
at the end of this document.
5
May 07, 2008
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