China Electronics Technology Group Corporation No.26 Research Institute
957MHz SAW Filter 6MHz Bandwidth
Part Number: LBT95701
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For RF SAW filter Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss(954~960MHz) Passband Variation(954~960MHz) DC~800MHz 800~935MHz Ultimate Rejection 975~1000MHz 1000~2000MHz 2000~3000MHz VSWR(954~960MHz) Group delay variation(954~960MHz) Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. All specifications are based on the test circuit shown; In production, all specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature; Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; This is the optimum impedance in order to achieve the performance show.
Unit
MHz dB dB dB dB dB dB dB ns KHz/°C °C °C V dBm -
Minimum
35 35 40 25 20 -
Typical
957 2.2 0.8 37 38 54 45 32 1.5 15 -30.6 42LT 25
Maximum
3.8 1.2 2 50
-45 -
0 1A
+85 15
SMD3.0*3.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT95701 2010-04-22 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
957MHz SAW Filter 6MHz Bandwidth
Part Number: LBT95701
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
INPUT 50Ω
OUTPUT 50Ω
Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
3.00±0.10 1 6 3.00±0.10
Pad Configuration: Input: 2 Output: 5 Ground: All Others
2
95701 XXYY
5
3 1.25±0.17
4
1.15±0.12 1.50
Marking Configuration: 1) •: Pad Number 1 Index 2) 95701: Part Number 3) XXYY: Date(Year/month)
6 1.60 5 4 1.30 0.85
1 2 3 0.60
Package: SMD3.0*3.0
Unit: mm
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT95701 2010-04-22 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
957MHz SAW Filter 6MHz Bandwidth
Part Number: LBT95701
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance 8.5312 -1.4688 -11.4688
-0.9688 0.0312
Passband Response
Type Performance
-0.4688
-21.4688 Magnitude(dB)
A m plitude ripple(dB )
-31.4688 -41.4688 -51.4688 -61.4688
-1.4688
-1.9688
-2.4688
-2.9688
-71.4688 -81.4688 -91.4688 880 900 920 940 960 980 Frequency(MHz) 1000 1020 1040
-3.4688
940
945
950
955 Frequency(MHz)
960
965
970
975
Horizontal: 20MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±3MHz)
Type Performance 15 120
Phase Linearity(f0±3MHz)
Type Performance
100
10
80
G roup Delay T im e(ns )
60
X: 954 Y: 54.59
X: 960 Y: 56.17
5
X: 954 Y: 2.501
40
Degree(deg)
X: 960 Y: 1.657
0
20
-5 0
-20 -10
-40 950
952
954
956 Frequency(MHz)
958
960
962
964
950
952
954
956 Frequency(MHz)
958
960
962
964
Horizontal: 2MHz/Div
Vertical: 20ns/Div
Horizontal: 2MHz/Div
Vertical: 5deg/Div
VSWR11
Type Performance (VSWR1) 1.8 1.8
VSWR22
Type Performance (VSWR2)
1.7
1.7
1.6
1.6
1.5
X: 954 Y: 1.397
1.5
1.4 M agnitude(dB ) M agnitude(dB )
1.4
X: 954 Y: 1.375
1.3
1.3
1.2
X: 960 Y: 1.143
1.2
X: 960 Y: 1.12
1.1
1.1
1
1
0.9
0.9
0.8 950
952
954
956 Frequency(MHz)
958
960
962
964
0.8 950
952
954
956 Frequency(MHz)
958
960
962
964
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT95701 2010-04-22 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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