ETC B4120

SAW Components
Data Sheet B4120
SAW Components
B4120
947,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Ceramic package DCC6D
Features
● Low-loss RF filter for mobile telephone
GSM, receive path
● Low amplitude ripple
● Usable passband 25 MHz
● No matching network required for operation
at 50 Ω
● Unbalanced to balanced Operation
● High symmetrical output
● Ceramic package for Surface Mounted
Technology (SMT)
Terminals
● Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g
Pin configuration
2
5
4, 6
1, 3
1, 3, 5
Input (50 Ohm)
Input - ground
Balanced Output (50 Ohm)
Case - ground
To be grounded
Type
Ordering code
B4120
B39951-B4120-U510
Marking and Package
according to
C61157-A7-A68
Packing
according to
F61074-V8089-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Input power max.
890...915 MHz
elsewhere
T
Tstg
VDC
– 20 / + 75
– 40 / + 85
3
PIN
10
dBm
0
dBm
2
˚C
˚C
V
source and load impedance 50 Ω
peak power of GSM signal,
duty cycle 1 : 8
continuous wave
Nov 08, 1999
SAW Components
B4120
947,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = 25 ± 2˚C
ZS = 50 Ω (unbalanced)
ZL = 50 Ω (balanced)
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
fC
Center frequency
Maximum insertion attenuation
935,0 ... 960,0
typ.
max.
—
947,50
—
MHz
—
2,4
2,8
dB
dB
αmax
MHz
∆α
Amplitude ripple (p-p)
935,0 ... 960,0
MHz
—
0,5
0,9
935,0 ... 960,0
MHz
—
1,60
1,85
VSWR
α
Attenuation
0,0
700,0
870,0
980,0
985,0
1025,0
1500,0
2000,0
... 700,0
... 870,0
... 915,0
... 985,0
...1025,0
...1500,0
...2000,0
...3000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
50
40
30
18
24
40
34
25
Nov 08, 1999
70
52
40
24
28
50
42
32
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
SAW Components
B4120
947,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20 to 75 ˚C
ZS = 50 Ω (unbalanced)
ZL = 50 Ω (balanced)
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
fC
Center frequency
Maximum insertion attenuation
935,0 ... 960,0
typ.
max.
—
947,50
—
MHz
—
2,5
3,0
dB
dB
αmax
MHz
∆α
Amplitude ripple (p-p)
935,0 ... 960,0
MHz
—
0,6
1,1
935,0 ... 960,0
MHz
—
1,60
1,85
VSWR
α
Attenuation
0,0
700,0
870,0
980,0
985,0
1025,0
1500,0
2000,0
... 700,0
... 870,0
... 915,0
... 985,0
...1025,0
...1500,0
...2000,0
...3000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4
50
40
30
18
24
40
34
25
Nov 08, 1999
70
52
40
22
26
50
42
32
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
SAW Components
B4120
947,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
Transfer function (wideband)
5
Nov 08, 1999
SAW Components
B4120
947,5 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
Nov 08, 1999