China Electronics Technology Group Corporation No.26 Research Institute
925.4MHz SAW Filter 14MHz Bandwidth
Part Number: LBT92501
www. sipatsaw.com
SIPAT Co., Ltd.
Features
For RF SAW filter Single-ended operation Small size No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss(919.5~929.5MHz) 1 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection 900.5~910.5MHz 900~960MHz
Unit
MHz dB MHz MHz dB usec dB dB KHz/°C °C °C °C V dBm -
Minimum
14 30 35
Typical
925.4 1.8 14.17 32.82 0.7 0.06 41 38 -27.76 42LT 25
Maximum
2.5 35 1 -
Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4.
-40 -45 -
0 1
+85 +105 10
SMD3.8*3.8
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.
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT92501 2007-11-13 1.0 Page 1/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
925.4MHz SAW Filter 14MHz Bandwidth
Part Number: LBT92501
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
Pad Configuration: Input
3.80 0.2 1.90
2 5
Output
Ground All Others
6 1 6
Package: SMD3.8*3.8
1.5MAX
1
SIPAT 92501 07XX
3.80 0.2
Marking Configuration:
2 5
5
2 3
1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) 92501: Part Number 4) 07XX: Date Code
0.60 3
1.27
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
4
Fax: +86-23-62805284
4 1.80
Unit: mm
Part Number Rev. Date Ver.
LBT92501 2007-11-13 1.0 Page 2/3
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
925.4MHz SAW Filter 14MHz Bandwidth
Part Number: LBT92501
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance 8.1847 -0.3153
Passband Respond
-1.8153
-0.8153
-11.8153 -1.3153 -21.8153 -1.8153 Magnitude(dB) -31.8153 -2.3153 -41.8153 -2.8153 -51.8153 -3.3153 -61.8153
-71.8153
-3.8153
-81.8153
840
860
880
900
920 940 Frequency(MHz)
960
980
1000
1020
900
905
910
915
920
925
930
935
940
945
Horizontal: 20MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±6MHz)
Type Performance 140 20
Phase Linearity(f0±6MHz)
Type Performance
120
15
10 100
X: 919.5 Y: 82.74 X: 919.5 Y: 4.629 X: 931.5 Y: 3.67 X: 925.5 Y: -0.574
5
80 Group Delay Time(ns)
X: 925.5 Y: 57.06 X: 931.5 Y: 63.52
0 Degree(deg)
60
-5
40
-10
20
-15
0
-20
-25 -20 916 918 920 922 924 926 Frequency(MHz) 928 930 932 934 -30 916 918 920 922 924 926 Frequency(MHz) 928 930 932 934
Horizontal: 2MHz/Div
Vertical: 20ns/Div
Horizontal: 2MHz/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
∞
0.0
5.0
∞
-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 ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT92501 2007-11-13 1.0 Page 3/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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