SAW Components
SAW resonator
Data sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
868.25
typ.
868.35
max.
868.45
R2711
868.35 MHz
Center frequency
(center frequency between 3 dB points)
Minimum insertion attenuation
Phase at f
c
Loaded quality factor
Unloaded quality factor
Ageing of f
C
Equivalent circuit elements
Motional capacitance
Motional inductance
Motional resistance
Input / Output capacitance
Temperature coefficient of frequency
1)
Turnover temperature
1)
f
C
MHz
α
min
ϕ
Q
L
Q
U
—
—
3000
5500
—
—
—
—
—
—
15
7.0
130
3600
6600
—
0.279
120.4
100
1.9
–0.03
—
9.0
—
—
—
–10/+40
—
—
—
—
—
35
dB
˚ el.
ppm
fF
µH
Ω
pF
ppm/K
2
˚C
C
1
L
1
R
1
C
0
TC
f
T
0
Temperature dependence of f
C
: f
C
(T
A
) = f
C
(T
0
) (1 + TC
f
(T
A
– T
0
)
2
)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
S
–45/+125
–45/+125
0
0
˚C
˚C
V
dBm
between any terminals
Please read
cautions and warnings and
important notes
at the end of this document.
3
May 22, 2009
EPCOS [ EPCOS ]
