SAW Components
Data Sheet B7808
2Mar 28, 2002
SAW Components 2140,0 MHz
Low Loss Filter for Mobile Communication
Data Sheet
B7808
Chip sized SAW package DCS4A
Features
Low-loss RF filter for W-CDMA system,
receiving path
Usable passband 60 MHz
No matching network required for operation
at 50
Ceramic package for Surface Mounted
technology (SMT)
Terminals
Ni, gold-plated
Dimensions in mm, approx. weight 0,01 g
Pin configuration
2 Input
1 Input - ground
3 Output
4 Output - ground
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to
Packing
according to
B7808 B39212-B7808-A510 C61157-A7-A63 F61074-V8099-Z000
Maximum ratings
Operable temperature range
T
– 20/+ 85 ˚C
Storage temperature range
T
stg – 40/+ 85 ˚C
DC voltage
V
DC 0V
Source power
P
s10 dBm source impedance 50
3Mar 28, 2002
SAW Components 2140,0 MHz
Low Loss Filter for Mobile Communication
Data Sheet
B7808
Characteristics
Operating temperature range:
T
= 25˚C
Terminating source impedance:
Z
S= 50
Terminating load impedance:
Z
L= 50
min. typ. max.
Center frequency
f
c 2140,0 MHz
Maximum insertion attenuation αmax
2110,0 ...2170,0 MHz 2,5 3,0 dB
Amplitude ripple (p-p) ∆α
2110,0 ...2170,0 MHz 0,6 1,0 dB
Amplitude ripple (p-p) per 5-MHz channel ∆αch
2110,0 ...2170,0 MHz 0,3 0,5 dB
VSWR Input 2110,0 ...2170,0 MHz 1,8 2,0
Output 2110,0 ...2170,0 MHz 1,8 2,0
Attenuation α
0,0 ...1730,0 MHz 15,0 18,0 dB
1730,0 ...1980,0 MHz 22,0 25,0 dB
1980,0 ...2050,0 MHz 17,0 20,0 dB
2230,0 ...2255,0 MHz 25,0 29,0 dB
2255,0 ...2490,0 MHz 25,0 30,0 dB
2490,0 ...2550,0 MHz 25,0 30,0 dB
2550,0 ...2930,0 MHz 22,0 24,0 dB
2930,0 ...6000,0 MHz 14,0 16,0 dB
4Mar 28, 2002
SAW Components 2140,0 MHz
Low Loss Filter for Mobile Communication
Data Sheet
B7808
Characteristics
Operating temperature range:
T
= -20 to +85˚C
Terminating source impedance:
Z
S= 50
Terminating load impedance:
Z
L= 50
min. typ. max.
Center frequency
f
c 2140,0 MHz
Maximum insertion attenuation αmax
2110,0 ...2170,0 MHz 3,0 3,3 dB
Amplitude ripple (p-p) ∆α
2110,0 ...2170,0 MHz 0,9 1,2 dB
Amplitude ripple (p-p) per 5-MHz channel ∆αch
2110,0 ...2170,0 MHz 0,5 0,8 dB
VSWR Input 2110,0 ...2170,0 MHz 2,0 2,2
Output 2110,0 ...2170,0 MHz 2,0 2,2
Attenuation α
0,0 ...1730,0 MHz 15,0 18,0 dB
1730,0 ...1980,0 MHz 22,0 25,0 dB
1980,0 ...2050,0 MHz 17,0 20,0 dB
2230,0 ...2255,0 MHz 25,0 29,0 dB
2255,0 ...2490,0 MHz 25,0 30,0 dB
2490,0 ...2550,0 MHz 25,0 30,0 dB
2550,0 ...2930,0 MHz 22,0 24,0 dB
2930,0 ...6000,0 MHz 14,0 16,0 dB
5Mar 28, 2002
SAW Components 2140,0 MHz
Low Loss Filter for Mobile Communication
Data Sheet
B7808
Frequency response (narrow band)
Frequency response (wide band)
6Mar 28, 2002
SAW Components 2140,0 MHz
Low Loss Filter for Mobile Communication
Data Sheet
B7808
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E MF
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
A
s far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
T
he information describes the type of component and shall not be considered as assured
characteristics.
T
erms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
t
he international representatives.
Due to technical requirements components may contain dangerous substances. For information on
t
he type in question please also contact one of our sales offices.
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (089) 636-2 2689
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the informa-
t
ion 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
t
he Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
T
his brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
t
he international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
t
he type in question please also contact one of our Sales Offices.