China Electronics Technology Group Corporation
No.26 Research Institute
70MHz IF SAW Filter
5MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBN70A42
Typical Performance
Frequency Respond
Passband Respond
Type Performance
-9.4752
-17.9752
-18.4752
-18.9752
-19.4752
-19.9752
-20.4752
-20.9752
-21.4752
-19.4752 3dB CF = 70.0247MHz
1dB = 5.2323MHz
3dB = 5.4191MHz
40dB = 6.1588MHz
-29.4752
Insert Loss = -19.4752dB
Passband Ripple = 0.61641dB
Ultimate Rejection = 55.1628dB
Group Delay = 169.3259ns
Phase Linearity= 5.0533deg
Absolute Delay = 3706.7483ns
-39.4752
-49.4752
-59.4752
-69.4752
-79.4752
-89.4752
-99.4752
-109.4752
62
64
66
68
70
72
74
76
78
55
60
65
70
75
80
85
Frequency(MHz)
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2.51MHz)
Phase Linearity(f0±2.51MHz)
Type Performance
Type Performance
4000
10
3900
3800
3700
3600
3500
3400
3300
5
X: 72.51
Y: 3739
X: 72.51
Y: 1.167
X: 67.49
Y: 0.5566
X: 70
Y: 3694
X: 67.49
Y: 3693
X: 70
Y: -0.8063
0
-5
-10
-15
64
66
68
70
Frequency(MHz)
72
74
76
64
66
68
70
Frequency(MHz)
72
74
76
Horizontal: 2MHz/Div
Vertical: 100ns/Div
Horizontal: 2MHz/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.
LBN70A42
2007-05-24
1.0
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Page 3/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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