Sichuan Institute of Piezoelectric and Acoustooptic Technology

SP140B19SAW Filter Electrical Characteristic

Parameter

Unit

Minimum

Typical

Maximum

Center Frequency

MHz

139.85

140

140.15

Insertion Loss

dB

24.7

26

3 dB Bandwidth

MHz

19

19.1

40dB Bandwidth

MHz

21.4

21.5

Passband variation

dB

0.9

1

Absolute Delay

usec

<4

Ultimate Rejection

dB

45

50

Substrate Material

Y128-X LN

Ambient Temperature

C

25

Package Size

6/14

(22.1*12.7*5mm

125

130

135

140

145

150

155

-100

-90

-80

-70

-60

-50

-40

-30

-20

Type performance

Frequency(MHz)

SP140B19 SAW Filter Typical Performance