SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7740
1960,0 MHz
Chip Sized SAW Package DCS4D
Features
s
RF filter for mobile telephone
s
s
s
s
0,1
1
2
0,1
4
3
0,7
2,5
PCS systems, receive path
Low insertion loss, low amplitude ripple
Usable passband 60 MHz
Suitable for GPRS class 1 to 12
Package for Surface Mounted
Technology (SMT)
s
Gold-plated Ni
Dimensions in mm, approx. weight 0,012 g
Pin configuration
1
3
2,4
Input
Output
Ground
1
4
Type
B7740
Ordering code
B39202-B7740-C810
Marking and Package
according to
C61157-A7-A89
Packing
according to
F61074-V8125-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operating 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
3
50
15
12
˚C
˚C
V
V
dBm
dBm
peak power of GSM signal,
duty cycle 4:8
2
June 3, 2002
2,0
0,8
Terminals
0,6
3
2
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range :
Terminating source impedance:
Terminating load impedance:
B7740
1960,0 MHz
T
= 25 ˚C +/-2 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1960,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1930,0...
1990,0 MHz
Amplitude ripple
(p-p)
1930,0...
1990,0 MHz
Attenuation
DC ...
1500,0..
1830,0..
2010,0...
2070,0...
2500,0...
3000,0...
4500,0...
5200,0...
Input vswr
1930,0...
Output vswr
1930,0...
f
C
α
max
—
—
∆α
—
α
2,8
3,2
dB
1,3
1,7
dB
1500,0
1830,0
1910,0
2070,0
2500,0
3000,0
4500,0
5200,0
6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
28
25
12
12
21
24
28
26
24
31
29
14
14
23
28
35
32
30
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
1990,0 MHz
---
2,2
2,3
1990,0 MHz
α
---
2,2
2,3
Tx band suppression
1830,0..
1910,0 MHz
12
14
—
dB
3
June 3, 2002
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7740
1960,0 MHz
Characteristics
Operating temperature range :
Terminating source impedance:
Terminating load impedance:
T
= -10 to +80 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
typ.
1960,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1930,0...
1990,0 MHz
Amplitude ripple
(p-p)
1930,0...
1990,0 MHz
Attenuation
DC ...
1500,0..
1830,0..
2010,0...
2070,0...
2500,0...
3000,0...
4500,0...
5200,0...
Input vswr
1930,0...
Output vswr
1930,0...
f
C
α
max
—
—
∆α
—
α
2,8
3,2
dB
1,3
1,7
dB
1500,0
1830,0
1910,0
2070,0
2500,0
3000,0
4500,0
5200,0
6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
28
25
10
10
21
24
28
26
24
31
29
13
13
23
28
35
32
30
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
1990,0 MHz
---
2,2
2,3
1990,0 MHz
α
---
2,2
2,3
Tx band suppression
1830,0..
1910,0 MHz
10
13
—
dB
4
June 3, 2002