China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
9MHz Bandwidth
Part Number: LBT70A73
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance
-17.6407
-27.6407
-37.6407
-27.1407
-26.1407
Passband Response
Type Performance
-26.6407
-47.6407
Magnitude(dB)
Amplitude ripple(dB)
-57.6407
-67.6407
-77.6407
-87.6407
-27.6407
-28.1407
-28.6407
-29.1407
-97.6407
-107.6407
-117.6407
45
-29.6407
50
55
60
65
70
75
Frequency(MHz)
80
85
90
95
60
62
64
66
68
70
Frequency(MHz)
72
74
76
78
80
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±4.5MHz)
Type Performance
2500
15
Phase Linearity(f0±4.5MHz)
Type Performance
2450
2400
10
2350
5
Group Delay Time(ns)
2300
X: 65.5
Y: 2280
X: 70
Y: 2280
X: 74.5
Y: 2262
X: 65.5
Y: 1.156
X: 70
Y: 0.04389
Degree(deg)
0
X: 74.5
Y: -1.508
2250
2200
-5
2150
-10
2100
-15
2050
2000
62
64
66
68
70
Frequency(MHz)
72
74
76
78
-20
62
64
66
68
70
Frequency(MHz)
72
74
76
78
Horizontal: 2MHz/Div
Vertical: 50ns/Div
Horizontal: 2MHz/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.
LBT70A73
2011-03-23
1.0
Page
3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
SIPAT [ SIPAT Co,Ltd ]
