SAW filters for mobile communications
Series/Type:
B4943
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39850B4943U910
Substitute Product
Date of Withdrawal
2009-07-31
Deadline Last
Orders
2009-11-30
Last Shipments
2010-02-28
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
Low-Loss Filter for Mobile Communication
Data Sheet
B4943
85,38 MHz
SMD ceramic package
QCC10C
Features
s
s
s
s
s
s
s
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
s
Ni, gold plated
Dimensions in mm, approx. weight 0,24 g
Pin configuration
10
9
5
4
2, 7
1, 3, 6, 8
Input
Balanced input or input ground
Output
Balanced output or output ground
Case ground
Not connected
Type
B4943
Ordering code
B39850-B4943-U910
Marking and Package
according to
C61157-A7-A73
Packing
according to
F61074-V8105-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 40/+ 85
– 40/+ 85
13
10
˚C
˚C
V
dBm
2
Dec 01, 2000
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B4943
85,38 MHz
T
= –35˚C .. +85 ˚C
Z
S
= 1975
Ω
|| 340 nH
Z
L
= 1600
Ω
|| 350 nH
min.
typ.
85,38
10,0
max.
—
11,5
MHz
dB
Nominal frequency
Minimum insertion attenuation
(including loss in matching network without loss in balun)
f
N
α
min
—
—
Amplitude ripple
f
N
– 0,3 MHz
∆α
...
f
N
+ 0,3
MHz
—
0,5
0,8
dB
Phase linearity
(rms deviation)
f
N
– 0,63 MHz ...
f
N
+ 0,63 MHz
Relative attenuation
(relative to
α
min
)
f
N
±
0,63 MHz
α
rel
—
2,5
3,5
˚
—
35
35
35
38
38
35
35
38
4,0
41
55
39
44
—
—
—
—
5,0
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
f
N
– 0,9
f
N
+ 0,9
f
N
– 1,7
f
N
+ 1,7
f
N
– 9,0
f
N
– 2,0
f
N
+ 0,9
f
N
+ 1,7
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
...
...
...
...
f
N
– 2,0
f
N
– 0,9
f
N
+ 1,7
f
N
+ 9,0
MHz
MHz
MHz
MHz
3
Dec 01, 2000
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Normalized transfer function
(balanced/balanced)
B4943
85,38 MHz
Normalized transfer function
(passband, balanced/balanced):
4
Dec 01, 2000
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Normalized transfer function
(wideband, balanced/balanced)
B4943
85,38 MHz
5
Dec 01, 2000
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