China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
3MHz Bandwidth
Part Number: LBT70A46
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance
-12.1686
-22.1686
-32.1686
-21.6686
-20.6686
Passband Respond
-21.1686
-42.1686
Magnitude(dB)
-52.1686
-62.1686
-72.1686
-82.1686
-23.6686
-22.1686
-22.6686
-23.1686
-92.1686
-102.1686
-112.1686
55
60
65
70
Frequency(MHz)
75
80
85
-24.1686
-24.6686
67
68
69
70
71
72
73
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±1.4MHz)
Type Performance
1420
8
Phase Linearity(f0±1.4MHz)
Type Performance
1400
6
4
1380
2
Group Delay Time(ns)
1360
X: 68.61
Y: 1348
X: 70
Y: 1354
X: 71.39
Y: 1352
X: 68.61
Y: -0.4834
X: 70
Y: -0.1229
1340
Degree(deg)
0
X: 71.39
Y: 0.7982
-2
1320
-4
1300
-6
1280
-8
1260
65
66
67
68
69
70
Frequency(MHz)
71
72
73
74
75
-10
65
66
67
68
69
70
Frequency(MHz)
71
72
73
74
75
Horizontal: 1MHz/Div
Vertical: 20ns/Div
Horizontal: 1MHz/Div
Vertical: 2deg/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
∞
0.0
5.0
∞
-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.
LBT70A46
2007-10-09
1.0
Page
3/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
