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
25
C
Package Size
6/14 (22.1*12.7*5mm
3
)
Type performance
-20
-30
-40
Magnitude(dB)
-50
-60
-70
-80
-90
-100
125
130
135
140
Frequency(MHz)
145
150
155
SP140B19 SAW Filter Typical Performance