China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
2MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBS140A25
Typical Performance
Frequency Respond
Passband Respond
Type Performance
Type Performance
-22.3091
-22.8091
-23.3091
-23.8091
-24.3091
-24.8091
-25.3091
-25.8091
-26.3091
-13.8091
-23.8091
-33.8091
-43.8091
-53.8091
-63.8091
-73.8091
-83.8091
-93.8091
-103.8091
-113.8091
137
138
139
140
141
142
143
135
136
137
138
139
140
Frequency(MHz)
141
142
143
144
145
Frequency(MHz)
Horizontal: 1MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±0.8MHz)
Phase Linearity(f0±0.8MHz)
Type Performance
Type Performance
2800
2700
2600
2500
2400
2300
2200
2100
2000
1900
1800
15
10
5
X: 140
Y: 2379
X: 140.8
Y: 1.058
X: 140.8
Y: 2360
X: 139.2
Y: -0.03059
X: 140
Y: -0.385
X: 139.2
Y: 2336
0
-5
-10
-15
-20
138
138.5
139
139.5
140
Frequency(MHz)
140.5
141
141.5
142
138
138.5
139
139.5
140
140.5
141
141.5
142
Frequency(MHz)
Horizontal: 0.5MHz/Div
Vertical: 100ns/Div
Horizontal: 0.5MHz/Div
Vertical: 5deg/Div
Smith Chart S11
Smith Chart S22
+j1.0
+j1.0
+j0.5
+j2.0
+j0.5
+j2.0
+j0.2
+j5.0
+j0.2
+j5.0
0.0
0.0
∞
∞
-j0.2
-j5.0
-j0.2
-j5.0
-j0.5
-j2.0
-j0.5
-j2.0
-j1.0
-j1.0
Part Number
Rev. Date
Ver.
LBS140A25
2009-02-20
1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Page 3/3
Tel: +86-23-62808818
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
