China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
2MHz Bandwidth
Part Number: LBS140A40
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance
-13.9106
-23.9106
-33.9106
-23.4106
-22.4106
Passband Response
Type Performance
-22.9106
-43.9106
Magnitude(dB)
A m plitude ripple(dB )
-53.9106
-63.9106
-73.9106
-83.9106
-23.9106
-24.4106
-24.9106
-25.4106
-93.9106
-103.9106
-113.9106
-25.9106
134
136
138
140
142
Frequency(MHz)
144
146
137
138
139
140
Frequency(MHz)
141
142
143
Horizontal: 2MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±1MHz)
Type Performance
4800
Phase Linearity(f0±1MHz)
Type Performance
4600
10
4400
4200
5
4000
G roup Delay T im e(ns )
X: 140
Y: 3809
X: 139
Y: -0.1874
X: 140
Y: -0.1714
X: 141
Y: 0.5823
3800
3600
3400
-5
3200
3000
-10
2800
2600
138
138.5
139
139.5
140
Frequency(MHz)
140.5
141
141.5
142
-15
138
138.5
139
139.5
140
Frequency(MHz)
140.5
141
141.5
142
Horizontal: 0.5MHz/Div
Vertical: 200ns/Div
Horizontal: 0.5MHz/Div
D egree(deg)
X: 139
Y: 3681
X: 141
Y: 3700
0
Vertical: 5deg/Div
Smith Chart S11
+j1.0
+j0.5
+j2.0
Smith Chart S22
+j1.0
+j0.5
+j2.0
+j0.2
+j5.0
+j0.2
+j5.0
0.2
0.5
1.0
2.0
5.0
0.2
0.5
1.0
2.0
0.0
∞
5.0
0.0
∞
-j0.2
-j5.0
-j0.2
-j5.0
-j0.5
-j1.0
-j2.0
-j0.5
-j1.0
-j2.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBS140A40
2009-10-12
1.0
Page
3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
