LB140DS07 Datasheet, PDF (3/3 Pages) SIPAT Co,Ltd – 140MHz Low-loss SAW Filter 7MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www. sipatsaw.com
140MHz Low-loss SAW Filter
7MHz Bandwidth
Part Number: LB140DS07
Typical Performance
Frequency Respond
4.1874
Type Performance
-5.8126
-15.8126
-25.8126
-35.8126
3dB CF = 139.9236MHz
1dB = 6.2015MHz
3dB = 7.2185MHz
40dB = 10.8892MHz
Insert Loss = -5.8126dB
Passband Ripple = 0.57647dB
Ultimate Rejection = 46.3157dB
Group Delay = 74.3707ns
Phas e Linearity = 4.7894deg
Delay = 1.2356us
-45.8126
-55.8126
-65.8126
-75.8126
-85.8126
-95.8126
90
100 110 120 130 140 150 160 170 180 190
Frequency(MHz)
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Group Delay Variation(f0±2.4MHz)
1500
Type Performance
1400
1300
1200
X: 137.6
Y: 1234
X: 140
Y: 1246
X: 142.4
Y: 1250
1100
1000
900
800
132
134
136
138
140
142
144
146
148
Frequency(MHz)
Horizontal: 2MHz/Div
Vertical: 100ns/Div
Smith Chart S11
+j1.0
+j0.5
+j2.0
Passband Respond
-4.3126
-4.8126
-5.3126
-5.8126
-6.3126
-6.8126
-7.3126
-7.8126
-8.3126
132
134
136
138
140
142
144
146
148
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Phase Linearity(f0±2.4MHz)
Type Performance
8
6
4
X: 142.4
2
Y: 1.14
X: 137.6
X: 140
Y: 0.2411
Y: 0.05204
0
-2
-4
-6
-8
-10
-12
132
134
136
138
140
142
144
146
148
Frequency(MHz)
Horizontal: 2MHz/Div
Vertical: 2deg/Div
Smith Chart S22
+j1.0
+j0.5
+j2.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
-j0.5
-j2.0
-j1.0
-j0.5
-j2.0
-j1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LB140DS07
2007-09-14
1.0
Page 3/3
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Fax: [phone] www.sipatsaw.com / [e-mail]