SAW Mobile Communications
Series/Type:
B7740
The following products presented in this data sheet are being withdrawn.
Ordering Code
Substitute Product
Date of Withdrawal
B39202B7740C810
B39202B9008E610
06.07.2007
Deadline Last
Orders
31.01.2008
Last Shipments
30.04.2008
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
SAW Components
B7740
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip Sized SAW Package DCS4D
Features
0,1
■ RF filter for mobile telephone
1
2
4
3
0,7
0,1
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)
0,6
■
■
■
■
0,8
Terminals
■ Gold-plated Ni
2,0
2,5
Dimensions in mm, approx. weight 0,012 g
Pin configuration
1
3
2,4
Input
Output
Ground
1
3
4
2
Type
Ordering code
Marking and Package
according to
Packing
according to
B7740
B39202-B7740-C810
C61157-A7-A89
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
Tstg
VDC
VESD
PIN
PIN
– 10/+ 80
– 40/+ 85
3
50
15
12
˚C
˚C
V
V
dBm
dBm
2
peak power of GSM signal,
duty cycle 4:8
June 3, 2002
SAW Components
B7740
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = 25 ˚C +/-2 ˚C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature range :
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1960,0
—
—
2,8
3,2
dB
—
1,3
1,7
dB
31
29
14
14
23
28
35
32
30
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Center frequency
fC
Maximum insertion attenuation
1930,0...
1990,0 MHz
αmax
Amplitude ripple (p-p)
1930,0...
1990,0 MHz
∆α
Attenuation
DC ...
1500,0..
1830,0..
2010,0...
2070,0...
2500,0...
3000,0...
4500,0...
5200,0...
α
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
Input vswr
1930,0...
1990,0 MHz
---
2,2
2,3
Output vswr
1930,0...
1990,0 MHz
---
2,2
2,3
MHz
α
Tx band suppression
1830,0..
1910,0 MHz
12
3
June 3, 2002
14
—
dB
SAW Components
B7740
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -10 to +80 ˚C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature range :
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1960,0
—
—
2,8
3,2
dB
—
1,3
1,7
dB
31
29
13
13
23
28
35
32
30
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Center frequency
fC
Maximum insertion attenuation
1930,0...
1990,0 MHz
αmax
Amplitude ripple (p-p)
1930,0...
1990,0 MHz
∆α
Attenuation
DC ...
1500,0..
1830,0..
2010,0...
2070,0...
2500,0...
3000,0...
4500,0...
5200,0...
α
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
Input vswr
1930,0...
1990,0 MHz
---
2,2
2,3
Output vswr
1930,0...
1990,0 MHz
---
2,2
2,3
MHz
α
Tx band suppression
1830,0..
1910,0 MHz
10
4
June 3, 2002
13
—
dB
SAW Components
B7740
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
narrow band
wide band
5
June 3, 2002
SAW Components
B7740
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Reflection functions
6
June 3, 2002
SAW Components
B7740
1960,0 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, 81617 Munich, GERMANY
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
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
June 3, 2002