R2704 View Datasheet(PDF) - EPCOS AG
Part Name
Description
Manufacturer
R2704 Datasheet PDF : 5 Pages
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SAW Components
SAW resonator
Preliminary data
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
R2704
315.00 MHz
TA = 25 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
fC
314.925
typ.
315.00
max.
315.075 MHz
Minimum insertion attenuation
Phase at fc
Loaded quality factor
Unloaded quality factor
Ageing of fC
αmin
—
ϕ
—
QL
5800
QU
9200
—
Equivalent circuit elements
Motional capacitance
C1
—
Motional inductance
L1
—
Motional resistance
R1
—
Input / Output capacitance
C0
—
Temperature coefficient of frequency1) TCf
—
Turnover temperature
T0
—
1) Temperature dependence of fC: fC(TA) = fC(T0) (1 + TCf (TA – T0)2)
9.4
160
9000
13600
—
0.196
1.302
195
1.3
–0.032
25
11.0 dB
— ˚ el.
—
—
–50/+50 ppm
— fF
— µH
—Ω
— pF
— ppm/K2
— ˚C
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
DC voltage
VDC
Source power
PS
–45/+125 ˚C
–45/+125 ˚C
12 V
0
dBm
Please read cautions and warnings and
important notes at the end of this document.
3 August 05, 2009
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