China Electronics Technology Group Corporation
No.26 Research Institute
225MHz SAW Filter
4MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBS22502
Typical Performance
Frequency Response
Passband Response
Type Performance
Type Performance
-19.6945
-20.1945
-20.6945
-21.1945
-21.6945
-22.1945
-22.6945
-23.1945
-23.6945
-11.1945
-21.1945
-31.1945
-41.1945
-51.1945
-61.1945
-71.1945
-81.1945
-91.1945
-101.1945
-111.1945
220
221
222
223
224
225
226
227
228
229
230
210
215
220 225
Frequency(MHz)
230
235
240
Frequency(MHz)
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2MHz)
Phase Linearity(f0±2MHz)
Type Performance
Type Performance
1800
1700
1600
1500
1400
1300
1200
1100
1000
10
5
X: 225
Y: 1432
X: 225
Y: -0.8664
X: 227
Y: 1416
X: 227
Y: 1.446
X: 223
Y: 1413
X: 223
Y: -1.209
0
-5
-10
-15
220
221
222
223
224
225
Frequency(MHz)
226
227
228
229
230
220
221
222
223
224
225
Frequency(MHz)
226
227
228
229
230
Horizontal: 1MHz/Div
Vertical: 100ns/Div
Horizontal: 1MHz/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.
LBS22502
2010-09-09
1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Page 3/3
Tel: +86-23-62808818
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