China Electronics Technology Group Corporation
No.26 Research Institute
129.1MHz IF SAW Filter
18MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBN12903
Typical Performance
Frequency Respond
Passband Respond
Type Performance
-15.9483
-24.9483
-25.4483
-25.9483
-26.4483
-26.9483
-27.4483
-27.9483
-28.4483
-25.9483 3dB CF = 129.1543MHz
3dB = 18.4431MHz
35dB = 19.1669MHz
40dB = 19.213MHz
-35.9483
45dB = 19.2593MHz
50dB = 19.3062MHz
55dB = 19.3591MHz
Insert Loss = -25.9483dB
-45.9483
Passband Ripple = 1.1894dB
Ultimate Rejection = 55.1249dB
-55.9483 Group Delay = 70.5367ns
Phase Linearity= 6.7652deg
Delay= 3.5366us
-65.9483
-75.9483
-85.9483
-95.9483
-105.9483
-115.9483
100
110
120
130
140
150
115
120
125
130
135
140
145
Frequency(MHz)
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±9MHz)
Phase Linearity(f0±9MHz)
Type Performance
Type Performance
15
10
5
3700
3650
3600
3550
3500
3450
3400
3350
3300
X: 138.1
Y: 3554
X: 138.1
Y: 1.742
X: 120.1
Y: 0.9636
X: 120.1
Y: 3532
X: 129.1
Y: -0.403
0
X: 129.1
Y: 3504
-5
-10
-15
-20
115
120
125
130
135
140
115
120
125
130
135
140
Frequency(MHz)
Frequency(MHz)
Horizontal: 5MHz/Div
Vertical: 50ns/Div
Horizontal: 5MHz/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.
LBN12903
2007-08-06
1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Page 3/4
Tel: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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