R2702 Ver la hoja de datos (PDF) - EPCOS AG

Número de pieza

componentes Descripción

Fabricante

R2702

SAW Components Resonator

EPCOS AG 

SAW Components

Resonator

Data Sheet

Characteristics

Reference temperature:

Terminating Source impedance:

Terminating Load impedance:

Center frequency

(center frequency between 3 dB points)

R 2702

418,05 MHz

TA = 25 ˚C

ZS = 50 Ω

ZL = 50 Ω

min.

typ.

max.

fc 417,975 418,050 418,125 MHz

Minimum insertion attenuation

Phase at fc

Loaded quality factor

Unloaded quality factor

Ageing of fc

Equivalent circuit elements

Motional capacitance

Motional inductance

Motional resistance

Input / Output capacitance

Temperature coefficient of frequency 1)

Turnover temperature

αmin

—

ϕ

—

QL 5000

QU 8000

—

9,2

160

7200

10200

—

C1

—

0,15

L1

—

943

R1

—

240

C0

—

2,2

TCf

—

–0,03

T0

25

—

1) Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)

10,5

—

—

—

± 50

—

—

—

—

—

55

dB

˚ el.

ppm

fF

µH

Ω

pF

ppm/K2

˚C

3 May 09, 2001

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