228.15 229.15 230.15 231.15 232.15 233.15 234.15 235.15 236.15 237.15 238.15

-90

-80

-70

-60

-50

-40

-30

-20

-10

233.15 MHz SAWF

Frequency(MHz)

Sichuan Institute of Piezoelectric and Acoustooptic Technology

For PHS First IF Filters (SC04-01 Package)

Electrical Characteristic:

Characteristic

Unit

Minimum

Typical

Maximum

Center Frequency

MHz

233.10

233.15

233.20

3dB Bandwidth

MHz

0.47

0.52

Insertion Loss(at minimum loss point)

dB

14.2

15

Stop Band Attenuation (from peak level)

±0.6MHz

dB

18

±150kHz)

ns

200

300

Input/Output Impedance

Ω

50

Package

SC04-01

Ambient Temperature

°C

25

Input/Output Impedance(fig1):

SC04-01 Package(fig2):

Lp1=27nH,

Lp2=39nH

This may be changed according to PCB.

Frequency Characteristic(fig3):

　

＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿　

　　　　　　Ｐ．Ｏ．Ｂｏｘ　２５１３　Ｃｈｏｎｇｑｉｎｇ　Ｃｈｉｎａ　４０００６０　　　Ｔｅｌ：８６－２３－６２９２０６８４　　　Ｆａｘ：６２８０５２８４　　　ｅｍａｉｌ：ｓａｗｍｋｔ＠ｓｉｐａｔ．ｃｏｍ　

SP 233

232.4 232.55 232.7 232.85

233

233.15 233.3 233.45 233.6 233.75 233.9

1

1.1

1.2

1.3

1.4

1.5

1.6

Frequency(MHz)