China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
3MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LB140DS35
Typical Performance
Frequency Respond
Passband Respond
Type Performance
Type Performance
-9.5566
-10.0566
-10.5566
-11.0566
-11.5566
-12.0566
-12.5566
-13.0566
-13.5566
-1.0566
-11.0566
-21.0566
-31.0566
-41.0566
-51.0566
-61.0566
-71.0566
-81.0566
-91.0566
-101.0566
136
137
138
139
140
141
142
143
144
125
130
135
140
145
150
155
Frequency(MHz)
Frequency(MHz)
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±1MHz)
Phase Linearity(f0±1MHz)
Type Performance
Type Performance
1200
1150
1100
1050
1000
950
6
4
2
X: 139
Y: 0.365
X: 141
Y: 0.2323
X: 139
Y: 1054
X: 141
Y: 1051
X: 140
Y: -0.3521
X: 140
Y: 1034
0
-2
-4
-6
900
850
-8
137.5
138
138.5
139
139.5
140
140.5
141
141.5
142
142.5
137.5
138
138.5
139
139.5
140
Frequency(MHz)
140.5
141
141.5
142
142.5
Frequency(MHz)
Horizontal: 0.5MHz/Div
Vertical: 50ns/Div
Horizontal: 0.5MHz/Div
Vertical: 2deg/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.
LB140DS35
2008-09-18
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 ]
