SAW Components
Data Sheet B7744
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7744
1842,5 MHz
Ceramic package
DCS4D
Features
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
0,1
1
2
0,1
4
3
0,7
2,5
Terminals
s
Gold-plated Ni
Dimensions in mm, approx. weight 0,012 g
Pin configuration
1
3
2, 4
Input
Output
To be grounded
1
3
4
Type
B7744
Ordering code
B39182-B7744-C810
Marking and Package
according to
C61157-A7-A89
Packing
according to
F61074-V8153-Z000
Electrostatic Sensitive Device
(ESD)
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power at
GSM850, GSM900
GSM1800, GSM1900
Tx bands
T
T
stg
V
DC
V
ESD
P
IN
P
IN
– 10 / + 80
– 40 / + 85
5
50
15
12
˚C
˚C
V
V
dBm
dBm
peak power of GSM signal
duty cycle 4:8
2
Aug 07, 2003
2,0
2
0,8
PCN systems, receive path
Low amplitude ripple
Usable passband 75 MHz
No matching network required for operation
at 50
Ω
Suitable for GPRS class 1 to 12
Package for
Surface Mounted Technology
(SMT)
0,6
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7744
1842,5 MHz
T
= +25 +- 2˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1842,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
1805,0 ... 1880,0
Amplitude ripple
(p-p)
1805,0 ... 1880,0
Input VSWR
1805,0 ... 1880,0
Output VSWR
1805,0 ... 1880,0
Attenuation
0,0
1480,0
1705,0
1920,0
1980,0
2400,0
2500,0
3610,0
3760,0
... 1480,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 2500,0
... 3610,0
... 3760,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,4
3,0
dB
—
0,9
1,7
dB
—
1,9
2,2
—
α
35
28
12
15
23
30
25
35
25
1,9
2,2
37
32
16
21
25
37
36
40
34
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Aug 07, 2003
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7744
1842,5 MHz
T
= -10 to +80˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1842,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
1805,0 ... 1880,0
Amplitude ripple
(p-p)
1805,0 ... 1880,0
Input VSWR
1805,0 ... 1880,0
Output VSWR
1805,0 ... 1880,0
Attenuation
0,0
1480,0
1705,0
1920,0
1980,0
2400,0
2500,0
3610,0
3760,0
... 1480,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 2500,0
... 3610,0
... 3760,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,4
3,2
dB
—
0,9
1,9
dB
—
1,9
2,2
—
α
35
28
11
15
22
30
25
35
25
1,9
2,2
37
32
15
21
24
37
36
40
34
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
4
Aug 07, 2003
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7744
1842,5 MHz
T
= -30 to +85˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1842,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
1805,0 ... 1880,0
Amplitude ripple
(p-p)
1805,0 ... 1880,0
Input VSWR
1805,0 ... 1880,0
Output VSWR
1805,0 ... 1880,0
Attenuation
0,0
1480,0
1705,0
1920,0
1980,0
2400,0
2500,0
3610,0
3760,0
... 1480,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 2500,0
... 3610,0
... 3760,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,4
3,2
dB
—
0,9
1,9
dB
—
1,9
2,2
—
α
35
28
10
15
22
30
25
35
25
1,9
2,2
37
32
15
21
24
37
36
40
34
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
5
Aug 07, 2003
模拟与混合信号
