China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 6MHz Bandwidth
Part Number: LB140DS32
www. sipatsaw.com
SIPAT Co., Ltd.
Features
For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth Passband Variation Group Delay Variation(f0±2.7MHz) Absolute Delay @131.5~132.5MHz Ultimate Rejection @147.5~163.8MHz f≤131.5MHz, f≥163.8MHz 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 dB nsec usec dB dB dB KHz/°C °C °C °C V dBm -
Minimum
5.3 6.1 45 45 40
Typical
140 10.7 6.53 7.36 0.3 70 1.05 52 46 54 -2.52 112LT 25
Maximum
15 1 100 -
-40 -45 0 1A
-
+85 +105
-
10
SMD1365C
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LB140DS32 2008-03-06 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 6MHz Bandwidth
Part Number: LB140DS32
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=(100+10)nH
OUTPUT 50Ω C2
L2=(100+15)nH
INPUT 50Ω C1
C1=C2=47pF Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
+0.2 13.3-0.1
Pad Configuration:
7
+0.2 6.5-0.1
10 11 12
9
8
Input
6 5
11 5
SIPAT LB140DS32 08XX
3 4
Output
Ground All Others
Marking Configuration:
1.56 0.1 0.76 0.4 0.79
1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LB140DS32: Part Number 4) 08XX: Date Code
5 6
1
1.5
2
3
4
12 11 10
2.54
9
8
7
Package: SMD1365C
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.
LB140DS32 2008-03-06 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 6MHz Bandwidth
Part Number: LB140DS32
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -0.6808 -10.6808 -20.6808
-10.1808 -9.1808
Passband Respond
-9.6808
-30.6808 Magnitude(dB) -40.6808 -50.6808 -60.6808 -70.6808
-12.1808 -10.6808
-11.1808
-11.6808
-80.6808 -90.6808 -100.6808 110
-12.6808
120
130
140 150 Frequency(MHz)
160
170
-13.1808 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(f0±2.7MHz)
Type Performance 1200 20
Phase Linearity(f0±2.7MHz)
Type Performance
15 1150 10 1100
X: 140 Y: 1067
5
X: 137.3 Y: 1.437 X: 142.7 Y: 1024 X: 140 Y: -0.3266 X: 142.7 Y: 0.1186
Group Delay Time(ns)
Degree(deg) 144 146 148
1050
X: 137.3 Y: 1029
0
1000
-5
-10 950 -15 900 -20
850 132
134
136
138
140 Frequency(MHz)
142
-25 132
134
136
138
140 Frequency(MHz)
142
144
146
148
Horizontal: 2MHz/Div
Vertical: 50ns/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
∞
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.
LB140DS32 2008-03-06 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
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