Phone: +86-23-62808818

Fax: +86-23-62805284

www.sipatsaw.com / sawmkt@sipat.com

Part Number

SP940

Rev. Date

2006-7-17

SIPAT Co., Ltd.

( CETC No. 26 Research Institute )

Nanping Huayuan Road No. 14

Chongqing, China, 400060

Rev.

1.0

Page 1/6

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940.5MHz RF SAW Filter

39MHz Bandwidth

Part Number: SP940

A. MAXIMUM RATING:

1.

Input Power Level: 13 dBm

2.

DC Voltage : 3V

3. Operating Temperature: -20°C to +85°C

4.

Storage Temperature: -40°C to +85°C

B. ELECTRICAL CHARACTERISTICS:

Specification

Characteristics

Min

Typ

Max

Note

Center frequency

Fc

MHz

-

940.5

-

-

Insertion loss

921~960 MHz I.L.

dB

-

3

4.5

-

Ripple

921~960 MHz

dB

-

1.5

2.9

-

VSWR

921~960 MHz

-

1.8

3.0

Attenuation: ( Reference level from 0 dB )

0 ~ 800 MHz

dB

40

65

-

-

800 ~ 878 MHz

dB

35

56

-

-

878 ~ 897 MHz

dB

25

58

-

-

982 ~ 1005 MHz

dB

22

30

-

-

1005 ~ 1035 MHz

dB

29

41

-

-

1035 ~ 1500 MHz

dB

38

52

-

-

1500~ 2300 MHz

dB

30

51

-

-

2300 ~ 3000 MHz

dB

20

35

-

-

Source Impedance

Ω

50

1

Load Impedance

Ω

50

1

Note1. No matching network required for operation at 50

Ω

C. MEASUREMENT CIRCUIT:

50Ω

HP Network analyzer

50Ω

SAW Filter

B

E

A,C,D,F