SAW Components
Data sheet B4179
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Features
s
Low-loss RF filter for mobile telephone
s
s
s
s
B4179
897,5 MHz
Ceramic package
DCC6D
EGSM system, transmit path
Usable passband 35 MHz
Balanced to unbalanced operation
Impedance transformation from 100
Ω
to 50
Ω
Ceramic Package for
Surface Mounted
Technology
(SMT)
Terminals
s
Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g
Pin configuration
2
4, 6
1, 3, 5
1, 3, 5
Output, unbalanced
Input, balanced
Case ground
to be grounded
Type
B4179
Ordering code
B39901-B4179-U510
Marking and Package
according to
C61157-A7-A68
Packing
according to
F61074-V8089-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power max.
880...915 MHz
elsewhere
T
T
stg
V
DC
V
ESD
P
IN
– 10 / + 80
– 40 / + 85
3
200
10
0
˚C
˚C
V
V
dBm
dBm
source impedance 100
Ω,
load impedance 50
Ω;
effective input power in ON-state,
duty cycle 2 : 8
continuous wave
2
Dec 05, 2001
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B4179
897,5 MHz
T
= 25 +- 2 ˚C
Z
S
= 100
Ω
including matching network
Z
L
= 50
Ω
min.
typ.
897,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
880,0 ... 915,0
Amplitude ripple
(p-p)
880,0 ... 915,0
MHz
f
C
α
max
MHz
∆α
—
—
2,6
3,0
dB
—
0,9
1,3
dB
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
880,0 ... 915,0 MHz
Output amplitude balance
(|S
31
/S
21
|)
880,0 ... 915,0
Input VSWR
880,0 ... 915,0
Output VSWR
880,0 ... 915,0
Attenuation
0,0
800,0
925,0
935,0
960,0
1850,0
3660,0
Test matching network
... 800,0
... 860,0
... 935,0
... 960,0
...1850,0
...3660,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
MHz
-7
—
7
degree
MHz
-1,0
—
1,0
dB
—
1,6
2,0
—
1,8
2,0
45
30
9
20
30
20
10
60
50
12
30
40
30
23
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
L
p
= 27 nH
(20% tolerance, Q = 30 )
Lp
3
Dec 05, 2001
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B4179
897,5 MHz
T
= -10 to +80 ˚C
Z
S
= 100
Ω
including matching network
Z
L
= 50
Ω
min.
typ.
897,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
880,0 ... 915,0
Amplitude ripple
(p-p)
880,0 ... 915,0
MHz
f
C
α
max
MHz
∆α
—
—
3,0
3,3
dB
—
1,3
1,6
dB
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
880,0 ... 915,0 MHz
Output amplitude balance
(|S
31
/S
21
|)
880,0 ... 915,0
Input VSWR
880,0 ... 915,0
Output VSWR
880,0 ... 915,0
Attenuation
0,0
800,0
925,0
935,0
960,0
1850,0
3660,0
Test matching network
... 800,0
... 860,0
... 935,0
... 960,0
...1850,0
...3660,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
MHz
-7
—
7
degree
MHz
-1,0
—
1,0
dB
—
1,6
2,0
—
1,8
2,0
45
20
7
20
30
20
10
60
50
10
30
40
30
23
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
L
p
= 27 nH
(20% tolerance, Q = 30 )
Lp
4
Dec 05, 2001
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Transfer function:
B4179
897,5 MHz
Transfer function
(wideband)
5
Dec 05, 2001
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