ETC B4148

SAW Components
Data Sheet B4149
SAW Components
B4149
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Ceramic package DCC6D
Features
● Low-loss RF filter for mobile telephone
PCN systems, receive path
Low amplitude ripple
Usable passband 75 MHz
Unbalanced to balanced operation
Impedance transformation from 50Ω to 200Ω
Package for Surface Mounted Technology
(SMT)
● Ceramic SMD package
●
●
●
●
●
Terminals
● Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g
Pin configuration
2
4, 6
1, 3
1, 3, 5
Input, unbalanced
Output, balanced
Input ground
To be grounded
Type
Ordering code
B4149
B39182-B4149-U510
Marking and Package
according to
C61157-A7-A68
Packing
according to
F61074-V8089-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
DC voltage
VDC
Input power max.
– 20 / + 75
– 40 / + 85
5
˚C
˚C
V
source/load impedance
50Ω/200Ω
PIN
1710,0 ... 1785,0 MHz
5
dBm
elsewhere
0
dBm
2
peak power of GSM signal
duty cycle 1:8
Apr 11, 2000
SAW Components
B4149
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = +25 ± 2 ˚C
ZS = 50Ω (unbalanced)
ZL = 200Ω || 22 nH (balanced)
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
fC
Center frequency
min.
typ.
max.
—
1842,5
—
—
2,0
3,5
dB
—
0,9
2,0
dB
MHz
αmax
Maximum insertion attenuation
1805,0 ... 1880,0
MHz
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
∆α
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2010,0
2500,0
3840,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2010,0
... 2500,0
... 3840,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
40
30
25
12
12
18
20
25
20
Apr 11, 2000
50
40
28
18
17
22
26
35
32
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
SAW Components
B4149
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20 to +75˚C
ZS = 50Ω (unbalanced)
ZL = 200Ω (balanced) || 22 nH
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
min.
typ.
max.
—
1842,5
—
—
2,5
4,0
dB
—
1,4
2,5
dB
MHz
∆α
MHz
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2010,0
2500,0
3840,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2010,0
... 2500,0
... 3840,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4
40
30
25
10
10
18
20
25
20
Apr 11, 2000
50
40
28
15
17
22
26
35
32
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
SAW Components
B4149
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
Transfer function (wide band)
5
Apr 11, 2000
SAW Components
B4149
1842,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
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.
As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
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.
6
Apr 11, 2000