China Electronics Technology Group Corporation
No.26 Research Institute
78.8MHz SAW Filter
10MHz Bandwidth
Part Number: LBN07904
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance
-17.3089
-27.3089
3dB CF = 78.723MHz
-37.3089
-47.3089
Magnitude(dB)
-57.3089
-67.3089
-77.3089
-87.3089
-28.8089
-25.8089
Passband Respond
1.5dB = 10.0483MHz
3dB = 10.1704MHz
35dB = 10.7342MHz
40dB = 10.7683MHz
45dB = 10.7977MHz
50dB = 10.8264MHz
55dB = 10.8572MHz
Insert Loss = -27.3089dB
Passband Ripple = 0.94247dB
Ultimate Rejection = 47.661dB
Group Delay = 97.8628ns
Phase Linearity = 6.4593deg
Absolute Delay = 4384.6187ns
-26.3089
-26.8089
-27.3089
-27.8089
-28.3089
-97.3089
-107.3089
-117.3089
-29.3089
55
60
65
70
75
80
85
Frequency(MHz)
90
95
100
65
70
75
80
85
90
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±5MHz)
Type Performance
4800
Phase Linearity(f0±5MHz)
Type Performance
20
4700
15
4600
10
4500
Group Delay Time(ns)
X: 73.8
Y: 4381
X: 78.8
Y: 4407
X: 83.8
Y: 5.186
5
Degree(deg)
X: 78.8
Y: 0.1961
4400
X: 83.8
Y: 4327
0
X: 73.8
Y: -1.529
4300
-5
4200
4100
-10
4000
-15
3900
65
70
75
80
Frequency(MHz)
85
90
-20
65
70
75
80
Frequency(MHz)
85
90
Horizontal: 5MHz/Div
Vertical: 100ns/Div
Horizontal: 5MHz/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 )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBN07904
2007-04-24
1.0
Page
3/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
