SAW Components
SAW RF low loss filter
SCR
Series/type:
Ordering code:
Date:
Version:
B1639
B39202B1639U510
November 21, 2008
2.0
©
EPCOS AG 2008. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
SAW RF low loss filter
Data Sheet
Application
s
s
s
s
B1639
1980.0 MHz
Low loss RF filter for satellite channel router
Usable passband 40.5 MHz
High rejection
200
Ω
balanced to 75
Ω
unbalanced operation
Features
s
s
s
s
s
s
s
s
Package size 3.0 x 3.0 x 1.1 mm
3
Maximum height of 1.225 mm
Package code DCC6D
RoHS compatible
Approximate weight 0.037 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Pin configuration
s
s
s
s
4
6
2
1, 3, 5
Input
Input
Output
Case ground
Please read
cautions and warnings and
important notes
at the end of this document.
2
November 21, 2008
SAW Components
SAW RF low loss filter
Data Sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = +25 ˚C + 2˚C
Z
S
= 200
Ω
and matching network
Z
L
=
75
Ω
min.
Nominal frequency
Insertion attenuation
at 1980.0 MHz
Pass bandwidth
α
rel
< 1.0 dB
Amplitude ripple (p-p)
1956.3 ... 2003.6 MHz
Group delay ripple (p-p)
1961.6 ... 1998.3
f
N
α
0
—
2.9
3.2
—
typ.
@ 25 ˚C
1980.0
max.
—
B1639
1980.0 MHz
MHz
dB
B
1 dB
∆α
—
67.4
—
MHz
—
∆τ
0.6
1.0
dB
MHz
α
rel
—
5.0
10.0
ns
Relative attenuation (relative to
α
0
)
0.3 ... 862.0 MHz
862.0 ... 1771.3 MHz
1771.3 ... 1887.4 MHz
2072.1 ... 2140.0 MHz
2140.0 ... 2500.0 MHz
2500.0 ... 3500.0 MHz
Common Mode Rejection Ratio (CMRR)
1956.3 ... 2003.6 MHz
Input VSWR
1956.3
Output VSWR
1956.3
... 2003.6 MHz
60.0
45.0
33.0
33.0
40.0
30.0
65.0
50.0
45.0
37.0
46.0
38.0
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
20.0
33.0
—
dB
—
1.8
2.1
... 2003.6 MHz
—
2.0
2.1
Please read
cautions and warnings and
important notes
at the end of this document.
3
November 21, 2008
SAW Components
SAW RF low loss filter
Data Sheet
Matching network
(element value depends on PCB layout)
L
P
= 12 nH
B1639
1980.0 MHz
Lp
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power at
1956.3... 2003.6 MHz
1)
T
T
stg
V
DC
V
ESD
P
IN
–30/+80
–40/+85
0
50
1)
0
˚C
˚C
V
V
dBm
machine model, 1 pulse
source impedance 200
Ω
acc. to JESD22-A115A (machine model), 1 negative & 1 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
4
November 21, 2008
SAW Components
SAW RF low loss filter
Data Sheet
Transfer function
S
21
with matching network
B1639
1980.0 MHz
Transfer function
S
21
(passband)
with matching network
Please read
cautions and warnings and
important notes
at the end of this document.
5
November 21, 2008
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