China Electronics Technology Group Corporation
No.26 Research Institute
225MHz SAW Filter
4MHz Bandwidth
Part Number: LBS22501
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance
-14.0401
-24.0401
-34.0401
-23.5401
-22.5401
Passband Respond
-23.0401
-44.0401
Magnitude(dB)
-54.0401
-64.0401
-74.0401
-84.0401
-25.5401
-24.0401
-24.5401
-25.0401
-94.0401
-104.0401
-114.0401
210
-26.0401
215
220
225
230
Frequency(MHz)
235
240
221
222
223
224
225
226
227
228
229
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2MHz)
Type Performance
2800
10
Phase Linearity(f0±2MHz)
Type Performance
2700
5
2600
Group Delay Time(ns)
X: 223
Y: 2583
X: 227
Y: 2555
X: 225
Y: 2577
X: 223
Y: 1.367
X: 225
Y: 0.6368
X: 227
Y: 1.527
0
Degree(deg)
-5
-10
226
227
228
229
230
-15
220
2500
2400
2300
2200
220
221
222
223
224
225
Frequency(MHz)
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
+j1.0
+j0.5
+j2.0
Smith Chart S22
+j1.0
+j0.5
+j2.0
+j0.2
+j5.0
+j0.2
+j5.0
0.2
0.5
1.0
2.0
5.0
0.2
0.5
1.0
2.0
0.0
∞
5.0
0.0
∞
-j0.2
-j5.0
-j0.2
-j5.0
-j0.5
-j1.0
-j2.0
-j0.5
-j1.0
-j2.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBS22501
2007-11-19
1.0
Page
3/4
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
