SAW Components
Low-Loss Filter for Mobile Communication
Preliminary Data Sheet
B7747
1880,0 MHz
Chip Sized SAW Package DCS4D
Features
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
0,1
1
2
PCS systems, transmit path
High selectivity
Usable passband 60 MHz
Unbalanced to unbalanced operation
No external matching required
Package for
Surface Mounted Technology
(SMT)
0,1
bottom view
4
3
0,7
0,8
2,5
0,6
side view
Terminals
2,0
s
Gold-plated Ni
top view
Dimensions in mm, approx. weight 0,027g
Pin configuration
1
3
2, 4
Input
Output
To be grounded
Type
B7747
Ordering code
B39192-B7747-C810
Marking and Package
according to
C61157-A7-A89
Packing
according to
F61074-V8153-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operating temperature range
Storage temperature range
DC voltage
Input Power max.
T
T
stg
V
DC
P
IN
– 30 /+ 85
– 40 /+ 85
3
15
˚C
˚C
V
dBm
source impedance 50
Ω
2
May 24, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Preliminary Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7747
1880,0 MHz
T
= 25˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1880,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1850,0 ... 1910,0
Amplitude ripple
(p-p)
1850,0 ... 1910,0
Input VSWR
1850,0 ... 1910,0
Output VSWR
1850,0 ... 1910,0
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,9
3,8
dB
—
1,5
2,5
dB
—
—
1,8
1,8
2,1
2,1
Attenuation
0,0
1930,0
1935,0
2032,0
2150,0
2340,0
... 1720,0
... 1935,0
... 1990,0
... 2092,0
... 2340,0
... 5000,0
MHz
MHz
MHz
MHz
MHz
MHz
α
25,0
22,0
26,0
34,0
34,0
20,0
28,0
25,0
29,0
36,0
36,0
26,0
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
3
May 24, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Preliminary Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7747
1880,0 MHz
T
= -30 to +85˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1880,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1850,0 ... 1910,0
Amplitude ripple
(p-p)
1850,0 ... 1910,0
Input VSWR
1850,0 ... 1910,0
Output VSWR
1850,0 ... 1910,0
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,9
4,7
dB
—
1,5
3,4
dB
—
—
1,8
1,8
2,1
2,1
Attenuation
0,0
1930,0
1935,0
2032,0
2150,0
2340,0
... 1720,0
... 1935,0
... 1990,0
... 2092,0
... 2340,0
... 5000,0
MHz
MHz
MHz
MHz
MHz
MHz
α
25,0
18,0
26,0
34,0
34,0
20,0
28,0
25,0
29,0
36,0
36,0
26,0
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
4
May 24, 2002