SAW filters for infrastructure systems
Series/Type:
B3826
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39571B3826H310
Substitute Product
Date of Withdrawal
2012-01-13
Deadline Last
Orders
2012-12-31
Last Shipments
2013-03-30
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
Data Sheet
B3826
570,00 MHz
Ceramic package
QCC12C
Features
s
s
s
s
s
2,54
111
000
111
000
111
000
111
000
12
11
IF low-loss filter for base stations
Channel selection in W-CDMA systems
Balanced and unbalanced operation possible
3,84 MHz usable bandwidth
Ceramic SMD package
2,54
1
111
000
111
000
111
000
111
000
111
000
111
000
1,4
2
11
00
11
00
11
00
11
00
3
11
00
11
00
11 11
00 00
11 11
00 00
11
00
11
00
4
1,0
bottom view
6
5
111
000
111
000
111
000
111 111 11 11
000 000 00 00
111 11 11
000 00 00
111 11 11
000 00 00
111 11 11
000 00 00
9
8
7
10
11
00
11
00
11
00
11
00
Terminals
1,48
0,6
111
000
111
000
111
000
111
000
111
000
11
00
11
00
11
00
11
00
00
11
11
00
11
00
11
00
11
00
00
11
s
Gold plated
side view
5,0
top view
7,0
Dimensions in mm, approx. weight 0,2 g
Pin configuration
10
12
4
6
1, 2, 7, 8
3, 9
Input
Input ground or balanced input
Output
Output ground or balanced output
to be grounded
Case ground
Type
B3826
Ordering code
B39571-B3826-H310
Marking and Package
according to
C61157-A7-A95
Packing
according to
F61074-V8170-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
–40 / +85
–40 / +85
0
10
˚C
˚C
V
dBm
2
January 10, 2003
SAW Components
Low-Loss Filter
Data Sheet
Characteristics (unbalanced operation)
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = -10 .. 85 ˚C
Z
S
= 440
Ω
|| 11 nH
Z
L
= 237
Ω
|| 9 nH
B3826
570,00 MHz
min.
Nominal frequency
Minimum insertion attenuation
(including matching network
1)
)
Pass bandwidth
α
rel
≤
3,0 dB
Amplitude ripple
(p-p)
typ.
570,0
11,8
max.
—
12,5
MHz
dB
f
N
α
min
—
10,0
B
3,0dB
4,6
∆α
4,8
5,0
MHz
f
N
±
1,92 MHz
Absolute Group delay
@f
N
Group delay ripple
(p-p)
∆τ
τ
0,1
0,8
1,5
dB
550
620
690
ns
f
N
±
1,92 MHz
Adjacent channel selectivity
50
150
29
300
39
ns
dB
ACS
21
Minimum relative attenuation
(relative to
α
min
)
α
rel
f
N
±
3,5 MHz ...
f
N
±
5,0 MHz
f
N
- 5,0 MHz ...
f
N
- 8,0 MHz
f
N
- 8,0 MHz ...
f
N
- 20,0 MHz
f
N
+ 5,0 MHz ...
f
N
+ 7,0 MHz
f
N
+ 7,0 MHz ...
f
N
+ 9,0 MHz
f
N
+ 9,0 MHz ...
f
N
+10,0 MHz
f
N
+10,0 MHz ...
f
N
+20,0 MHz
Intermodulation
f1 = 569 MHz, input power +1dBm
f2 = 571 MHz, input power +1dBm
@f
N
+ 3 MHz
@f
N
- 3 MHz
20
45
48
45
44
46
48
25
47
50
50
45
47
50
40
55
55
55
55
55
55
dB
dB
dB
dB
dB
dB
dB
IM3
-130
-130
-105
-104
-95
-94
dBm
dBm
3
January 10, 2003
SAW Components
Low-Loss Filter
Data Sheet
min.
Impedance
at f
N
(without matching)
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
typ.
max.
B3826
570,00 MHz
—
—
244 || 8
119 || 12
—
—
Ω ||
pF
Ω ||
pF
Temperature coefficient of frequency
2)
Turnover temperature
1)
Matching
TC
f
T
0
—
—
– 0,036
30
—
—
ppm/K
2
˚C
inductor Q=40
dependance of
f
c
:
2)
Temperature
f
c
(T
A
) =
f
c
(T
0
)(1 +
TC
f
(T
A
–
T
0
)
2
)
4
January 10, 2003
SAW Components
Low-Loss Filter
Data Sheet
Matching network
(Element values depend upon PCB layout)
B3826
570,00 MHz
Ls2
Ls5
Cp1
Lp3
Lp4
Cp6
C
p1
= 3,3 pF
L
s2
= 33 nH
L
p3
= 18 nH
L
p4
= 12 nH
L
s5
= 22 nH
C
p6
= 2,7 pF
5
January 10, 2003
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