3 page
Tel: +86-23-62808818
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
Part Number
LBT40401
Rev. Date
2008-11-04
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Ver.
1.0
Page 3/3
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402.5MHz SAW Filter
2MHz Bandwidth
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Part Number: LBT40401
Typical Performance
Frequency Respond
Passband Respond
370
380
390
400
410
420
430
440
-91.412
-81.412
-71.412
-61.412
-51.412
-41.412
-31.412
-21.412
-11.412
-1.412
8.588
Type Performance
Frequency(MHz)
394
396
398
400
402
404
406
408
410
412
-3.912
-3.412
-2.912
-2.412
-1.912
-1.412
-0.912
-0.412
0.088
Type Performance
Frequency(MHz)
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±1MHz)
Phase Linearity(f0±1MHz)
398
399
400
401
402
403
404
405
406
407
-50
0
50
100
150
200
X: 402.5
Y: 92.19
Type Performance
Frequency(MHz)
X: 403.5
Y: 113.4
X: 401.5
Y: 81.18
398
399
400
401
402
403
404
405
406
407
-15
-10
-5
0
5
10
15
20
X: 401.5
Y: 2.268
Type Performance
Frequency(MHz)
X: 403.5
Y: 2.499
X: 402.5
Y: 5.369
Horizontal: 1MHz/Div
Vertical: 50ns/Div
Horizontal: 1MHz/Div
Vertical: 5deg/Div
Smith Chart S11
Smith Chart S22
+j0.2
-j0.2
+j0.5
-j0.5
+j1.0
-j1.0
+j2.0
-j2.0
+j5.0
-j5.0
0.0
∞
+j0.2
-j0.2
+j0.5
-j0.5
+j1.0
-j1.0
+j2.0
-j2.0
+j5.0
-j5.0
0.0
∞
