R969 datasheet(3/5 Pages) EPCOS

3 / 5 page

October 12, 2007

R 969

434.42 MHz

SAW Components

SAW resonator

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Reference temperature:

TA = 25 ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 50 Ω

min.

typ.

max.

Center frequency1)

1) Center frequency is defined as maximum of the real part of the admittance.

434.37

434.42

434.47

MHz

Minimum insertion attenuation

min

—

1.3

1.9

Unloaded quality factor

8700

12700

—

Ageing of fC

—

–50/+50

ppm

Equivalent circuit elements

Motional capacitance

—

1.668

—

Motional inductance

—

80.47

—

µH

Motional resistance

—17

Ω

Parallel capacitance2)

2) If used in two port configuration (pin 2 - input, pin 5 - output) C

0 is reduced by approx. 0.3 pF.

—

2.0

—

Temperature coefficient of frequency3)

3) Temperature dependence of f

C: fC(TA) = fC(T0) (1 + TCf (TA – T0)

TCf

—

–0.032

—

ppm/K2

Turnover temperature

10—30

˚C

Maximum ratings

Operable temperature range T

–40/+125 ˚C

Storage temperature range

Tstg

–40/+125 ˚C

DC voltage

VDC

Source power

dBm

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