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Part Number

SP24401

Rev. Date

2006-10-11

SIPAT Co., Ltd.

( CETC No. 26 Research Institute )

Nanping Huayuan Road No. 14

Chongqing, China, 400060

Rev.

2.1

Page 1/4

C

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243.95MHz SAW Filter

0.3MHz Bandwidth

Part Number: SP24401

Specifications

Parameter

Unit

Minimum

Typical

Maximum

Center Frequency

MHz

-

243.95

-

Insertion Loss

dB

-

5.6

7

3dB Bandwidth

MHz

0.3

0.46

-

3dB Bandwidth low point

-

-

243.7

243.8

3dB Bandwidth high point

-

244.1

244.2

-

dB

-

0.65

1

nsec

-

80

200

Absolute Delay

usec

-

1.42

-

Attenuation

@Fn-1.3MHz

f0-1.3MHz to f0-0.72MHz

@Fn-0.7MHz

@Fn-0.6MHz

@Fn-0.5MHz

@Fn+0.5MHz

@Fn+0.6MHz

@Fn+0.7MHz

f0+0.73MHz to f0+1.3MHz

@Fn+1.3MHz

@Fn+10.8MHz

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

29

20

26

24

13

13

24

26

20

29

40

33

42

33

34

17

14

25

33

42

30

42

-

-

-

-

-

-

-

-

-

-

-

Input/Output VSWR

-

-

1.35

2

Source Impedance

ohm　

-

50

-

Load Impedance

ohm　

-

50

-

Subatrate Material

-

Quartz

Operating Temperature Range

°C

-15~+60

Storage Temperature Range

°C

-25~+85

Ambient Temperature

°C

25

Package Size

SMD 11*4B(11.4X4X1.7

mm

Notes:

(1)

with matching network

(2)

All specifications are based on the test circuit shown below

(3)

Electrical margin has been built into the design to account for the variations due to manufacturing

tolerances