2
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip sized SAW package DCS6K
side view
top view
bottom view
0,1
0,1
2,5
2,0
0,8
1
2
3
6
5
4
0,5
0,5
Features
q
Low-loss RF filter for mobile telephone
PCN systems, receive path
q
Low amplitude ripple
q
Usable passband 75 MHz
q
Unbalanced to balanced operation
q
Impedance transformation from 50
to 200
q
Suitable for GPRS class 1 to 12
q
Package for Surface Mounted Technology
(SMT)
Terminals
s
Gold-plated Ni
Dimensions in mm, approx. weight 0,012 g
Pin configuration
2
Input, unbalanced
1, 3
Input ground
4, 6
Output, balanced
1, 3, 5
To be grounded
Electrostatic Sensitive Device (ESD)
Type
Ordering code
Marking and Package
according to
Packing
according to
B7749
B39182-B7749-C910
C61157-A1-A97
F61074-V8153-Z000
Maximum ratings
Operable temperature range
T
30 / + 85
C
Storage temperature range
T
stg
40 / + 85
C
DC voltage
V
DC
3
V
ESD voltage
V
ESD
50
V
Input power at
GSM850, GSM900
GSM1800, GSM1900
Tx bands
P
IN
P
IN
15
12
dBm
dBm
peak power of GSM signal
duty cycle 4:8
3
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
T
= 25C
2 C
Terminating source impedance:
Z
S
= 50
Terminating load impedance:
Z
L
= 200
(balanced) || 18 nH
min.
typ.
max.
Center frequency
f
C
--
1842,5
--
MHz
Maximum insertion attenuation
max
1805,0
... 1880,0
MHz
--
2,7
3,2
dB
Amplitude ripple (p-p)
1805,0
... 1880,0 MHz
--
1,2
1,7
dB
Input VSWR
1805,0
... 1880,0 MHz
--
2,3
2,5
Output VSWR
1805,0
... 1880,0 MHz
--
2,0
2,2
Diff. to common mode suppression
S
sc
12
1805,0
... 1880,0 MHz
--
22
--
dB
855,0
... 995,0
MHz
--
28
--
dB
1710,0
... 1990,0 MHz
--
22
--
dB
3420,0
... 3980,0 MHz
--
34
--
dB
Attenuation
0,0
... 1205,0 MHz
40
43
--
dB
1205,0
... 1705,0 MHz
30
32
--
dB
1705,0
... 1785,0 MHz
14
16
--
dB
1920,0
... 1980,0
MHz
14
19
--
dB
1980,0
... 2100,0
MHz
20
23
--
dB
2100,0
... 3000,0
MHz
30
36
--
dB
3000,0
... 6000,0
MHz
40
44
--
dB
4
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
T
= -10 to +80 C
Terminating source impedance:
Z
S
= 50
Terminating load impedance:
Z
L
= 200
(balanced) || 18 nH
min.
typ.
max.
Center frequency
f
C
--
1842,5
--
MHz
Maximum insertion attenuation
max
1805,0
... 1880,0
MHz
--
3,0
3,5
dB
Amplitude ripple (p-p)
1805,0
... 1880,0 MHz
--
1,5
2,0
dB
Input VSWR
1805,0
... 1880,0 MHz
--
2,3
2,5
Output VSWR
1805,0
... 1880,0 MHz
--
2,0
2,2
Diff. to common mode suppression
S
sc
12
1805,0
... 1880,0 MHz
--
22
--
dB
855,0
... 995,0
MHz
--
28
--
dB
1710,0
... 1990,0 MHz
--
22
--
dB
3420,0
... 3980,0 MHz
--
34
--
dB
Attenuation
0,0
... 1205,0 MHz
40
43
--
dB
1205,0
... 1705,0 MHz
30
32
--
dB
1705,0
... 1785,0 MHz
10
12
--
dB
1920,0
... 1980,0
MHz
10
19
--
dB
1980,0
... 2100,0
MHz
20
23
--
dB
2100,0
... 3000,0
MHz
30
36
--
dB
3000,0
... 6000,0
MHz
40
44
--
dB
5
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
T
= -30 to +85 C
Terminating source impedance:
Z
S
= 50
Terminating load impedance:
Z
L
= 200
(balanced) || 18 nH
min.
typ.
max.
Center frequency
f
C
--
1842,5
--
MHz
Maximum insertion attenuation
max
1805,0
... 1880,0
MHz
--
3,5
4,0
dB
Amplitude ripple (p-p)
1805,0
... 1880,0 MHz
--
2,0
2,5
dB
Input VSWR
1805,0
... 1880,0 MHz
--
2,4
2,6
Output VSWR
1805,0
... 1880,0 MHz
--
2,1
2,3
Diff. to common mode suppression
S
sc
12
1805,0
... 1880,0 MHz
--
22
--
dB
855,0
... 995,0
MHz
--
28
--
dB
1710,0
... 1990,0 MHz
--
22
--
dB
3420,0
... 3980,0 MHz
--
34
--
dB
Attenuation
0,0
... 1205,0 MHz
40
43
--
dB
1205,0
... 1705,0 MHz
30
32
--
dB
1705,0
... 1785,0 MHz
9
11
--
dB
1920,0
... 1980,0
MHz
10
19
--
dB
1980,0
... 2100,0
MHz
20
23
--
dB
2100,0
... 3000,0
MHz
30
36
--
dB
3000,0
... 6000,0
MHz
40
44
--
dB
PDF 
ZIP