SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7777
1950,0 MHz
Chip sized SAW package
Features
q
Low-loss RF filter for W-CDMA mobile tele-
q
q
q
q
0,1
1
2
0,1
bottom view
phone system, transmit path
High stopband attenuation
Usable passband 60 MHz
Unbalanced/unbalanced operation
Package size: 2 mm x 2.5 mm (4 pin, diagonal
pinning)
4
3
0,7
0,68
2,5
2,0
Terminals
q
Ni, gold-plated Data Sheet
0,6
side view
top view
Dimensions in mm, approx weight 0,012g
Pin configuration
1
3
2,4
Input
Output
Ground
1
4
3
2
Type
B7777
Ordering code
B39202-B7777-C810
Marking and Package
according to
C61157-A7-A118
Packing
according to
F61074-V8153-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 20 / + 85
– 40 / + 85
3
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Jul 26, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7777
1950,0 MHz
T
= +25 ˚C
±
2 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1950,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1920,0 ... 1980,0 MHz
Ripple
1920,0 ... 1980,0 MHz
Input VSWR
1920,0 ... 1980,0 MHz
Output VSWR
1920,0 ... 1980,0 MHz
Attenuation
0,0
1670,0
1720,0
1750,0
2025,0
2110,0
2300,0
2490,0
2740,0
3960,0
...1670,0
...1720,0
...1750,0
...1880,0
...2050,0
...2170,0
...2490,0
...2740,0
...3960,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
—
—
p-p
—
2,2
2,5
dB
1,0
1,2
dB
—
—
α
26
29
30
31
35
34
34
35
30
15
1,9
1,9
2,1
2,1
28
31
32
33
45
36
36
38
33
21
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Jul 26, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7777
1950,0 MHz
T
= -20 to +85 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1950,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1920,0 ... 1980,0 MHz
Ripple
1920,0 ... 1980,0 MHz
Input VSWR
1920,0 ... 1980,0 MHz
Output VSWR
1920,0 ... 1980,0 MHz
Attenuation
0,0
1670,0
1720,0
1750,0
2025,0
2110,0
2300,0
2490,0
2740,0
3960,0
...1670,0
...1720,0
...1750,0
...1880,0
...2050,0
...2170,0
...2490,0
...2740,0
...3960,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
—
—
p-p
—
2,4
2,8
dB
1,0
1,6
dB
—
—
α
26
29
30
31
35
34
34
35
30
15
2,0
2,0
2,2
2,2
28
31
32
33
45
36
36
38
33
21
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
4
Jul 26, 2004
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