China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
7MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBT70A70
Typical Performance
Frequency Response
Passband Response
Type Performance
Type Performance
-25.745
-26.245
-26.745
-27.245
-27.745
-28.245
-28.745
-29.245
-29.745
-17.245
-27.245
-37.245
-47.245
-57.245
-67.245
-77.245
-87.245
-97.245
-107.245
-117.245
60
62
64
66
68
70
72
74
76
78
80
55
60
65
70
Frequency(MHz)
75
80
85
Frequency(MHz)
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±3.5MHz)
Phase Linearity(f0±3.5MHz)
Type Performance
Type Performance
4600
4550
4500
4450
4400
4350
4300
4250
4200
4150
4100
15
10
5
X: 70
Y: 4393
X: 66.47
Y: 4392
X: 73.53
Y: 4384
X: 73.53
Y: 1.946
X: 70
Y: -0.8375
X: 66.47
Y: -1.542
0
-5
-10
-15
65
66
67
68
69
70
Frequency(MHz)
71
72
73
74
75
65
66
67
68
69
70
71
72
73
74
75
Frequency(MHz)
Horizontal: 1MHz/Div
Vertical: 50ns/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.
LBT70A70
2010-09-29
1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Page 3/3
Tel: +86-23-62808818
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com