LBS07903 Datasheet, PDF (3/4 Pages) SIPAT Co,Ltd – 79MHz SAW Filter 4MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
Typical Performance
Frequency Respond
-20.4575
Type Performance
-30.4575
-40.4575
-50.4575
-60.4575
3dB CF = 79.0466MHz
1dB = 3.8607MHz
3dB = 4.0292MHz
40dB = 4.6679MHz
Insert Loss = -30.4575dB
Passband Ripple = 0.66571dB
Ultimate Rejection = 49.2251dB
Group Delay = 91.7631ns
Phase Linearity = 3.5429deg
Absolute Delay = 4143.3493ns
-70.4575
-80.4575
-90.4575
-100.4575
-110.4575
-120.4575
65
70
75
80
85
90
Frequency(MHz)
Horizontal: 5MHz/Div Vertical: 10dB/Div
Group Delay Variation(f0±1.88MHz)
4350
Type Performance
4300
4250
4200
4150
4100
X: 77.13
Y: 4169
X: 79
Y: 4152
X: 80.88
Y: 4121
4050
4000
3950
75
76
77
78
79
80
81
82
83
Frequency(MHz)
Horizontal: 1MHz/Div Vertical: 50ns/Div
Smith Chart S11
+j0.5
+j1.0
+j2.0
79MHz SAW Filter
4MHz Bandwidth
Part Number: LBS07903
Passband Respond
-28.9575
-29.4575
-29.9575
-30.4575
-30.9575
-31.4575
-31.9575
-32.4575
-32.9575
70
72
74
76
78
80
82
84
86
88
Horizontal: 2MHz/Div Vertical: 0.5dB/Div
Phase Linearity(f0±1.88MHz)
Type Performance
10
8
6
4
X: 79
2
X: 77.13
Y: 0.9482
X: 80.88
Y: 0.427
Y: 0.2089
0
-2
-4
-6
-8
-10
75
76
77
78
79
80
81
82
83
Frequency(MHz)
Horizontal: 1MHz/Div Vertical: 2deg/Div
Smith Chart S22
+j1.0
+j0.5
+j2.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
-j0.5
-j2.0
-j1.0
-j0.5
-j2.0
-j1.0
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBS07903
2007-3-14
1.0
Page 3/4
Phone: [phone]
Fax: [phone] www.sipatsaw.com / [e-mail]