LB140DS30 Datasheet, PDF (3/3 Pages) SIPAT Co,Ltd – 140MHz SAW Filter 0.48MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www. sipatsaw.com
140MHz SAW Filter
0.48MHz Bandwidth
Part Number: LB140DS30
Typical Performance
Frequency Respond
-0.4521
-10.4521
-20.4521
-30.4521
-40.4521
Type Performance
-50.4521
-60.4521
-70.4521
-80.4521
-90.4521
-100.4521
135 136 137 138 139 140 141 142 143 144 145
Frequency(MHz)
Horizontal: 1MHz/Div
Vertical: 10dB/Div
Group Delay Variation(f0±0.2MHz)
2100
Type Performance
2000
1900
1800
1700
X: 139.8
Y: 1805
X: 140
Y: 1799
X: 140.2
Y: 1806
1600
1500
1400
139.4
139.6
139.8
140
Frequency(MHz)
140.2
140.4
140.6
Horizontal: 0.2MHz/Div
Vertical: 100ns/Div
Smith Chart S11
+j1.0
+j0.5
+j2.0
Passband Respond
-8.9521
-9.4521
-9.9521
-10.4521
-10.9521
-11.4521
-11.9521
-12.4521
139
139.5
140
140.5
141
Horizontal: 0.5MHz/Div
Vertical: 0.5dB/Div
Phase Linearity(f0±0.2MHz)
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-2.5
-3
139.4
Type Performance
X: 139.8
Y: -0.1591
X: 140
Y: -0.3306
X: 140.2
Y: -0.1682
139.6
139.8
140
Frequency(MHz)
140.2
140.4
140.6
Horizontal: 0.2MHz/Div
Vertical: 0.5deg/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.
LB140DS30
2007-12-14
1.0
Page 3/3
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Fax: [phone] www.sipatsaw.com / [e-mail]