SAW filters for mobile communications
Series/Type:
B4068
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39931B4068U810
Substitute Product
Date of Withdrawal
2008-03-14
Deadline Last
Orders
2008-08-31
Last Shipments
2008-10-15
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
B4068
904,5 / 925,5 MHz
Ceramic package
QCC8D
Features
s
Compact RF duplexer for cordless telephone
ISM
s
No matching network required for operation at
50
Ω
s
Ceramic package for
Surface Mounted
Technology
(SMT)
Terminals
s
Gold-plated, Ni
Dimensions in mm, approx. weight 0,037 g
Pin configuration
1
3
6
2
4, 8
5, 7
Transmitter (Tx)
Receiver (Rx)
Antenna (Ant)
Tx - ground
Case / Rx - ground
Ant - ground
Type
B4068
Ordering code
B39931-B4068-U810
Marking and Package
according to
C61157-A7-A72-X-27
Packing
according to
F61074-V8101-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operating temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 10/ +55
– 40/ +85
0
10
˚C
˚C
V
dBm
2
Aug 29, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics Tx - Ant
Operable temperature range
Ant term. impedance
Port 1 term. impedance
Port 2 term. impedance
Center frequency
Maximum insertion attenuation
902,30 ... 906,65 MHz
Amplitude ripple
(p-p)
902,30 ... 906,65 MHz
Absolute attenuation
450,00 ... 850,00 MHz
850,00 ... 870,00 MHz
870,00 ... 890,00 MHz
924,90 ... 927,60 MHz
960,00 ... 1000,00 MHz
1000,00 ... 1600,00 MHz
1600,00 ... 2500,00 MHz
B4068
904,5 / 925,5 MHz
T
A
Z
Ant
Z
Port 1
Z
Port 2
=
=
=
=
–10 to 55 ˚C
50
Ω
50
Ω
50
Ω
min.
typ.
904,5
max.
—
MHz
f
c
α
max
—
—
∆α
—
α
40
28
10
38
48
40
25
3,6
0,5
54
54
39
44
54
51
35
4,0
1,5
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Characteristics Rx - Ant
Operable temperature range
Ant term. impedance
Port 1 term. impedance
Port 2 term. impedance
Center frequency
T
A
Z
Ant
Z
Port 1
Z
Port 2
=
=
=
=
–10 to 55 ˚C
50
Ω
50
Ω
50
Ω
min.
typ.
926,25
max.
—
MHz
f
c
—
Maximum insertion attenuation
α
max
923,10 ... 927,75 MHz
Amplitude ripple
(p-p)
∆α
923,10 ... 927,75 MHz
Absolute attenuation
α
450,00 ... 884,80 MHz
884,80 ... 903,50 MHz
903,50 ... 906,20 MHz
946,30 ... 967,70 MHz
967,70 ... 1100,00 MHz
1100,00 ... 2000,00 MHz
2000,00 ... 3000,00 MHz
3000,00 ... 3500,00 MHz
—
—
40
35
37
25
30
30
25
20
3,4
0,5
45
38
40
29
43
43
33
30
4,0
1,5
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Aug 29, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function Tx
(Narrowband):
B4068
904,5 / 925,5 MHz
Transfer function Rx
(Narrowband):
4
Aug 29, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function Tx
(Passband):
B4068
904,5 / 925,5 MHz
Transfer function Rx
(Passband):
5
Aug 29, 2002
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