China Electronics Technology Group Corporation
No.26 Research Institute
836.5MHz SAW Filter
25MHz Bandwidth
Part Number: LBT83704
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance
7.8736
-2.1264
-12.1264
-1.6264
-0.6264
Passband Response
Type Performance
-1.1264
-22.1264
Magnitude(dB)
Amplitude ripple(dB)
-32.1264
-42.1264
-52.1264
-62.1264
-2.1264
-2.6264
-3.1264
-3.6264
-72.1264
-82.1264
-92.1264
-4.1264
-4.6264
740
760
780
800
820
840
860
Frequency(MHz)
880
900
920
810
820
830
840
Frequency(MHz)
850
860
Horizontal: 20MHz/Div
Vertical: 10dB/Div
Horizontal: 10MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±12.5MHz)
Type Performance
140
40
Phase Linearity(f0±12.5MHz)
Type Performance
120
30
100
20
80
Group Delay Time(ns)
X: 824
Y: 53.14
X: 824
Y: 7.412
10
Degree(deg)
X: 849
Y: 44.41
60
X: 849
Y: 4.88
0
40
20
-10
0
-20
-20
-30
-40
-40
-60
810
815
820
825
830
835
840
Frequency(MHz)
845
850
855
860
-50
810
815
820
825
830
835
840
Frequency(MHz)
845
850
855
860
Horizontal: 5MHz/Div
Vertical: 20ns/Div
Horizontal: 5MHz/Div
Vertical: 10deg/Div
Input VSWR(f0±12.5MHz)
Type Performance (VSWR1)
2.5
2.5
Output VSWR(f0±12.5MHz)
Type Performance (VSWR2)
2
2
Magnitude(dB)
1.5
X: 849
Y: 1.28
X: 824
Y: 1.188
Magnitude(dB)
1.5
X: 849
Y: 1.258
X: 824
Y: 1.181
1
1
0.5
800
810
820
830
840
Frequency(MHz)
850
860
870
0.5
800
810
820
830
840
Frequency(MHz)
850
860
870
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBT83704
2011-07-11
1.0
Page
3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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