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 China Electronics Technology Group Corporation No.26 Research Institute
140MHz Low-loss SAW Filter 7MHz Bandwidth
Part Number: LB140DS07
www. sipatsaw.com
SIPAT Co., Ltd.
Features
For Low-loss SAW filter High attenuation Single-ended operation Ceramic Surface Mount Package Small size
Specifications
Parameter
Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation(f02.4MHz) Phase Linearity(f02.4MHz) Group Delay(f02.4MHz) Absolute Delay Ultimate Rejection Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 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; 3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; 4. This is the optimum impedance in order to achieve the performance show.
Unit
MHz dB MHz MHz MHz dB deg nsec usec dB KHz/C C C C V dBm -
Minimum
139.8 5.8 6.85 -
Typical
140 5.8 6.2 7.22 10.88 0.4 3 70 1.24 48 -13.16 YZ 25
Maximum
140.2 7.5 11.1 1 14 200 -
-40 -45
0
+85 +105
-
1
10
SMD13.3*6.5C
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LB140DS07 2007-09-14 1.0 Page 1/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz Low-loss SAW Filter 7MHz Bandwidth
Part Number: LB140DS07
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=(39+56)nH
OUTPUT 50 C2
L2=82nH
INPUT 50 C1
C1=C2=22pF Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
+0.2 13.3-0.1
Pad Configuration:
10 11 12 9 8 7
+0.2 6.5-0.1
Input
6 5
11 5
SIPAT LB140DS07 07XX
3 4
Output
Ground All Others
Marking Configuration: 1) *: Pad Number 1 Index
1.56 0.1 0.4
0.76
2) SIPAT: Manufacturer Name 3) LB140DS07: Part Number 4) 07XX: Date Code
0.79
1
1.5
2
3
4 5 6
12 11 10
2.54
9
8
7
Package: SMD13.3*6.5C
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.
LB140DS07 2007-09-14 1.0 Page 2/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz Low-loss SAW Filter 7MHz Bandwidth
Part Number: LB140DS07
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance 4.1874 -5.8126 -15.8126 -25.8126 Magnitude(dB) -35.8126 -45.8126 -55.8126 -65.8126
-7.3126 -4.3126
Passband Respond
3dB CF = 139.9236MHz 1dB = 6.2015MHz 3dB = 7.2185MHz 40dB = 10.8892MHz Insert Loss = -5.8126dB Passband Ripple = 0.57647dB Ultimate Rejection = 46.3157dB Group Delay = 74.3707ns Phase Linearity = 4.7894deg Delay = 1.2356us
-4.8126
-5.3126
-5.8126
-6.3126
-6.8126
-75.8126 -85.8126 -95.8126 90
-7.8126
100
110
120
130 140 150 Frequency(MHz)
160
170
180
190
-8.3126 132
134
136
138
140
142
144
146
148
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f02.4MHz)
Type Performance 1500 8
Phase Linearity(f02.4MHz)
Type Performance
6 1400 4
1300
X: 137.6 Y: 1234
X: 140 Y: 1246
X: 142.4 Y: 1250
2
X: 137.6 Y: 0.2411 X: 140 Y: 0.05204
X: 142.4 Y: 1.14
Group Delay Time(ns)
0 Degree(deg) 134 136 138 140 Frequency(MHz) 142 144 146 148 1200
-2
1100
-4
1000
-6
-8 900 -10
800 132
-12 132
134
136
138
140 Frequency(MHz)
142
144
146
148
Horizontal: 2MHz/Div
Vertical: 100ns/Div
Horizontal: 2MHz/Div
Vertical: 2deg/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
5.0
0.0
-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.
LB140DS07 2007-09-14 1.0 Page 3/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com


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