SAW Filters for Mobile Communications
Series/Type:
B7835
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39212B7835C710
Substitute Product
B39212B9408K610
Date of Withdrawal
2010-01-15
Deadline Last
Orders
2010-04-30
Last Shipments
2010-07-30
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
Low-Loss Filter for Mobile Communication
Data Sheet
B7835
2140,0 MHz
Chip sized SAW package QCS5C
Features
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
s
0.735
0,075
2
3
W-CDMA system, receive path
Low amplitude ripple
Usable passband 60 MHz
Unbalanced to balanced operation
Impedance transformation from 50Ω to 200Ω
Package for
Surface Mounted Technology
(SMT)
Chip Sized SAW Package (CSSP)
0,38
0,075
0,44
5
4
bottom view
1
0,68
2,0
side view
Terminals
s
Gold-plated Ni
1,4
top view
Dimensions in mm, approx. weight 0,012 g
Pin configuration
1
3, 4
2, 5
Input, unbalanced
Output, balanced
To be grounded
Type
B7835
Ordering code
B39212-B7835-C710
Marking and Package
according to
C61157-A7-A111
Packing
according to
F61074-V8151-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operating temperature range
Storage temperature range
DC voltage
ESD voltage
Source power
T
T
stg
V
DC
V
ESD*
P
S
– 20/+ 85
– 40/+ 85
5
50
10
˚C
˚C
V
V
dBm
Machine Model, 10 pulses
* - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Jan 26, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7835
2140,0 MHz
T
= +25˚C
Z
S
= 50
Ω
Z
L
= 200
Ω
(balanced) || 22 nH
min.
typ.
2140,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
2110,0 ... 2170,0
Amplitude ripple
(p-p)
2110,0 ... 2170,0
f
C
α
max
MHz
∆α
MHz
—
—
2,6
3,0
dB
—
0,7
1,2
dB
Amplitude ripple per 5MHz channel
(p-p)
∆α
5MHz
2110,0 ... 2170,0 MHz
Input VSWR
2110,0 ... 2170,0
Output VSWR
2110,0 ... 2170,0
MHz
MHz
—
0,3
0,6
dB
—
1,5
2,0
—
1,7
2,1
Output amplitude balance(|S
31
/S
21
|)
2110,0 ... 2170,0 MHz
Output phase balance(φ(S
31
)-φ(S
21
)+180˚)
2110,0 ... 2170,0 MHz
Attenuation
180,0
200,0
1000,0
1880,0
1920,0
1980,0
2205,0
2255,0
2300,0
2490,0
2550,0
3200,0
... 200,0
... 1000,0
... 1880,0
... 1920,0
... 1980,0
... 2050,0
... 2255,0
... 2300,0
... 2490,0
... 2550,0
... 3200,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
-1,6
-12,0
1,6
12,0
dB
degree
60
39
29
34
42
25
15
20
31
35
35
40
68
42
32
38
46
29
22
23
35
40
39
52
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Jan 26, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7835
2140,0 MHz
T
= -20 to +85 ˚C
Z
S
= 50
Ω
Z
L
= 200
Ω
(balanced) || 22 nH
min.
typ.
2140,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
2110,0 ... 2170,0
Amplitude ripple
(p-p)
2110,0 ... 2170,0
f
C
α
max
MHz
∆α
MHz
—
—
2,8
3,3
dB
—
0,9
1,5
dB
Amplitude ripple per 5MHz channel
(p-p)
∆α
5MHz
2110,0 ... 2170,0 MHz
Input VSWR
2110,0 ... 2170,0
Output VSWR
2110,0 ... 2170,0
MHz
MHz
—
0,4
0,6
dB
—
1,6
2,0
—
1,7
2,1
Output amplitude balance(|S
31
/S
21
|)
2110,0 ... 2170,0 MHz
Output phase balance(φ(S
31
)-φ(S
21
)+180˚)
2110,0 ... 2170,0 MHz
Attenuation
180,0
200,0
1000,0
1880,0
1920,0
1980,0
2205,0
2255,0
2300,0
2490,0
2550,0
3200,0
... 200,0
... 1000,0
... 1880,0
... 1920,0
... 1980,0
... 2050,0
... 2255,0
... 2300,0
... 2490,0
... 2550,0
... 3200,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
-1,6
-12,0
1,6
12,0
dB
degree
60
39
29
34
42
25
15
20
31
37
35
40
67
42
32
38
46
26
22
23
35
40
39
52
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
4
Jan 26, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
B7835
2140,0 MHz
Transfer function
(wide band):
5
Jan 26, 2004
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