EPCOS B39182-B7749-C910

SAW Components
Data Sheet B7749
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip sized SAW package DCS6K
Features
0,1
● Low-loss RF filter for mobile telephone
6
0,1
5
bottom view
0,5
3
2
1
0,8
0,5
side view
2,0
●
●
●
●
●
●
4
PCN systems, receive path
Low amplitude ripple
Usable passband 75 MHz
Unbalanced to balanced operation
Impedance transformation from 50Ω to 200Ω
Suitable for GPRS class 1 to 12
Package for Surface Mounted Technology
(SMT)
top view
2,5
Terminals
■ Gold-plated Ni
Dimensions in mm, approx. weight 0,012 g
Pin configuration
2
1, 3
4, 6
1, 3, 5
Input, unbalanced
Input ground
Output, balanced
To be grounded
Type
Ordering code
Marking and Package
according to
Packing
according to
B7749
B39182-B7749-C910
C61157-A1-A97
F61074-V8153-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power at
GSM850, GSM900
GSM1800, GSM1900
Tx bands
T
Tstg
VDC
VESD
PIN
PIN
– 30 / + 85
– 40 / + 85
3
50
15
12
˚C
˚C
V
V
dBm
dBm
2
peak power of GSM signal
duty cycle 4:8
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = 25˚C ± 2 ˚C
ZS = 50 Ω
ZL = 200 Ω (balanced) || 18 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
—
2,7
3,2
dB
MHz
—
1,2
1,7
dB
1805,0 ... 1880,0
MHz
—
2,3
2,5
1805,0 ... 1880,0
MHz
—
2,0
2,2
Diff. to common mode suppression
1805,0 ... 1880,0
855,0 ... 995,0
1710,0 ... 1990,0
3420,0 ... 3980,0
MHz
MHz
MHz
MHz
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
MHz
∆α
Input VSWR
Output VSWR
Ssc12
—
—
—
—
22
28
22
34
—
—
—
—
dB
dB
dB
dB
40
30
14
14
20
30
40
43
32
16
19
23
36
44
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
α
Attenuation
0,0
1205,0
1705,0
1920,0
1980,0
2100,0
3000,0
... 1205,0
... 1705,0
... 1785,0
... 1980,0
... 2100,0
... 3000,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -10 to +80 ˚C
ZS = 50 Ω
ZL = 200 Ω (balanced) || 18 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
—
3,0
3,5
dB
MHz
—
1,5
2,0
dB
1805,0 ... 1880,0
MHz
—
2,3
2,5
1805,0 ... 1880,0
MHz
—
2,0
2,2
Diff. to common mode suppression
1805,0 ... 1880,0
855,0 ... 995,0
1710,0 ... 1990,0
3420,0 ... 3980,0
MHz
MHz
MHz
MHz
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
MHz
∆α
Input VSWR
Output VSWR
Ssc12
—
—
—
—
22
28
22
34
—
—
—
—
dB
dB
dB
dB
40
30
10
10
20
30
40
43
32
12
19
23
36
44
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
α
Attenuation
0,0
1205,0
1705,0
1920,0
1980,0
2100,0
3000,0
... 1205,0
... 1705,0
... 1785,0
... 1980,0
... 2100,0
... 3000,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30 to +85 ˚C
ZS = 50 Ω
ZL = 200 Ω (balanced) || 18 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
—
3,5
4,0
dB
MHz
—
2,0
2,5
dB
1805,0 ... 1880,0
MHz
—
2,4
2,6
1805,0 ... 1880,0
MHz
—
2,1
2,3
Diff. to common mode suppression
1805,0 ... 1880,0
855,0 ... 995,0
1710,0 ... 1990,0
3420,0 ... 3980,0
MHz
MHz
MHz
MHz
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
MHz
∆α
Input VSWR
Output VSWR
Ssc12
—
—
—
—
22
28
22
34
—
—
—
—
dB
dB
dB
dB
40
30
9
10
20
30
40
43
32
11
19
23
36
44
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
α
Attenuation
0,0
1205,0
1705,0
1920,0
1980,0
2100,0
3000,0
... 1205,0
... 1705,0
... 1785,0
... 1980,0
... 2100,0
... 3000,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
5
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
Transfer function (wide band)
6
Sep 25, 2002
SAW Components
B7749
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC WT
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
7
Sep 25, 2002