303.825 MHz One Port SAW Resonator

Phone: +86 10 6301 4184

Fax: +86 10 6301 9167

Email: sales@vanlong.com

Web: http://www.vanlong.com

© 2004 by Vanlong Technology Co., Ltd.

SR5403

•

Ideal for 303.825 MHz Transmitters

•

Very Low Insertion Loss

•

Quartz Stability

•

Ultra Miniature Ceramic SMD Package (QCC4A)

Absolute Maximum Rating (Ta=25

°C)

Parameter

Rating

Unit

CW RF Power Dissipation

P

0

dBm

DC Voltage

±30

V

Operating Temperature Range

-10 ~ +60

°C

Storage Temperature Range

-40 ~ +85

°C

Electronic Characteristics

Parameter

Sym

Minimum

Typical

Maximum

Unit

Frequency (25

°C)

Nominal Frequency

Tolerance from 303.825 MHz

c

NS

-

303.825

-

NS

± 75

MHz

KHz

Insertion Loss

IL

-

1.2

1.8

dB

Quality Factor

Unloaded Q-Value

50

Ω Loaded Q-Value

Q

L

-

-

14,950

1,950

-

-

-

-

Temperature Stability

Turnover Temperature

Turnover Frequency

Frequency Temperature Coefficient

FTC

25

-

-

-

0.032

55

-

-

°C

KHz

ppm/

Frequency Aging

Absolute Value during the First Year

|f

-

-

10

ppm/yr

DC Insulation Resistance Between any Two Pins

-

1.0

-

-

M

Ω

RF Equivalent RLC Model

Motional Resistance

Motional Inductance

Motional Capacitance

Shunt Static Capacitance

R

M

L

M

C

M

-

-

-

2.25

15

117.5302

2.3371

2.55

23

-

-

2.85

Ω

µH

fF

pF

NS = Not Specified

Note:

1.

in the specified test fixture in a 50

Ω test system with VSWR ≤ 1.2:1.

2.

Unless noted otherwise, case temperature TC = +25°C±2°C.

3.

Frequency aging is the change in fC with time and is specified at

+65°C or less. Aging may exceed the specification for prolonged

temperatures above +65°C. Typically, aging is greatest the first year

after manufacture, decreasing in subsequent years.

4.

Turnover temperature, T0, is the temperature of maximum (or

turnover) frequency, f0. The nominal frequency at any case

5.

This equivalent RLC model approximates resonator performance

near the resonant frequency and is provided for reference only. The

between input terminal and ground or output terminal and ground.

The measurement includes case parasitic capacitance.

6.

Derived mathematically from one or more of the following directly

7.

The specifications of this device are based on the test circuit shown

above and subject to change or obsolescence without notice.

8.

Typically, equipment utilizing this device requires emissions testing

and government approval, which is the responsibility of the

equipment manufacturer.

9.

Our liability is only assumed for the Surface Acoustic Wave (SAW)

component(s) per se, not for applications, processes and circuits

implemented within components or assemblies.

sales offices or e-mail to sales@vanlong.com.

SR5403