138.24 MHz SAW Filter

Tel: 82-32-621-1213

2011. 08. 25

I T F

Co., Ltd.

102-901, Bucheon Technopark 364, Samjeong-Dong,

Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

Fax: 82-32-621-1218

http://www.itf.co.kr

sales@itf.co.kr

Rev 1.0

1. Features

Typical 1dB bandwidth of 29.8 MHz

High attenuation

Single Ended Operation

Surface Mounted Package (SMD)

2. Electrical Specifications

Source and Load Impedance = 50

Operating Temperature :

+25℃

℃

℃

℃

Minimum

Typical

Maximum

Center Frequency (fo)

MHz

-

138.24

-

Insertion Loss

dB

-

23.5

25.5

1dB Bandwidth

MHz

29.7

29.8

-

3dB Bandwidth

MHz

-

30.25

-

20dB Bandwidth

MHz

-

31.58

31.8

40dB Bandwidth

MHz

-

32.2

32.4

Amplitude Ripple (fo ± 14.5 MHz)

dB

-

0.65

1.0

Group Delay Variation (fo ± 14.5 MHz)

nsec

-

25

60

Absolute Delay

usec

-

1.46

-

Ultimate Rejection

dB

45

50

-

Temperature Coefficient of Frequency

ppm/℃

℃

℃

℃

-

-72

-

S1365 Package Dimension

Matching Schematic

Input

11

Ground

12, 6

12

11

10

9

8

7

6

5

4

3

2

1

0.80±0.1

1.50±0.1

2.54±0.1

7.62±0.1

13.30±0.2

1

2

3

4

10

9

8

7

5

6

11

12

Dimensions shown are nominal in millimeters

Lid : Kovar, Ni Plated

Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating

Output

5

Others

Ground

Output

Input

ITF 11A001

253059B

。

。

。

。138.24-29.8M

11

5

56nH

47nH

330nH