China Electronics Technology Group Corporation
No.26 Research Institute
70MHz Low-loss SAW Filter
0.5MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBS7002L
Typical Performance
Frequency Respond
Passband Respond
Type Performance
-7.4466
-7.9466
-8.4466
-8.9466
-9.4466
-9.9466
-10.4466
-10.9466
-11.4466
-8.9466 3dB CF = 70.0254MHz
1dB = 0.38867MHz
3dB = 0.60341MHz
35dB = 1.3988MHz
-18.9466
Insert Loss = -8.9466dB
Passband Ripple = 0dB
Ultimate Rejection = 44.9519dB
Group Delay = 125.3732ns
Phase Linearity = 2.0442deg
Absolute Delay= 2413.3552ns
-28.9466
-38.9466
-48.9466
-58.9466
-68.9466
-78.9466
-88.9466
68.5
69
69.5
70
70.5
71
71.5
65
66
67
68
69
70
71
72
73
74
75
Frequency(MHz)
Horizontal: 1MHz/Div
Vertical: 10dB/Div
Horizontal: 0.5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±0.2MHz)
Phase Linearity(f0±0.2MHz)
Type Performance
Type Performance
10
8
2800
2700
2600
2500
2400
2300
2200
2100
2000
6
4
2
X: 69.8
Y: 2456
X: 69.8
Y: -0.09724
X: 70
Y: -0.173
X: 70.2
Y: -0.416
X: 70.2
Y: 2408
0
X: 70
Y: 2350
-2
-4
-6
-8
-10
-12
69.4
69.6
69.8
70
70.2
70.4
70.6
69.4
69.6
69.8
70
Frequency(MHz)
70.2
70.4
70.6
Frequency(MHz)
Horizontal: 0.2MHz/Div
Vertical: 100ns/Div
Horizontal: 0.2MHz/Div
Vertical: 2deg/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.
LBS7002L
2007-05-24
1.1
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
SIPAT [ SIPAT Co,Ltd ]
