LB079DS02 Datasheet, PDF (3/4 Pages) SIPAT Co,Ltd – 78.5MHz Low-loss SAW Filter 20MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
78.5MHz Low-loss SAW Filter
20MHz Bandwidth
Part Number: LB079DS02
Typical Performance
Frequency Respond
-1.284
Type Performance
-11.284
-21.284
-31.284
-41.284
3dB CF = 78.5908MHz
1dB = 19.6183MHz
3dB = 20.9997MHz
35dB = 24.4612MHz
Insert Loss = -11.284dB
Passband Ripple = 1.0829dB
Ultimate Rejection = 32.237dB
Group Delay = 138.2485ns
Phase Linearity = 8.4604deg
Absolute Delay = 1162.6214ns
-51.284
-61.284
-71.284
-81.284
-91.284
-101.284
40
50
60
70
80
90
Frequency(MHz)
100 110
Horizontal: 10MHz/Div Vertical: 10dB/Div
Group Delay Variation(f0±9MHz)
Type Performance
1500
1400
1300
1200
1100
X: 69.5
Y: 1165
X: 78.5
Y: 1176
X: 87.5
Y: 1158
1000
900
800
700
600
50
60
70
80
90
100
Frequency(MHz)
Horizontal: 10MHz/Div Vertical: 100ns/Div
Smith Chart S11
+j0.5
+j1.0
+j2.0
Passband Respond
-10.284
-10.784
-11.284
-11.784
-12.284
-12.784
-13.284
-13.784
50
60
70
80
90
100
Horizontal: 10MHz/Div Vertical: 0.5dB/Div
Phase Linearity(f0±9MHz)
Type Performance
15
10
X: 87.5
5
Y: 4.13
X: 69.5
Y: -0.1344
X: 78.5
Y: 0.2924
0
-5
-10
-15
-20
50
60
70
80
90
100
Frequency(MHz)
Horizontal: 10MHz/Div Vertical: 5deg/Div
Smith Chart S22
+j0.5
+j1.0
+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.
LB079DS02
2007-04-20
1.0
Page 3/4
Phone: [phone]
Fax: [phone] www.sipatsaw.com / [e-mail]