China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 2MHz Bandwidth
Part Number: LBS140A17
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For IF SAW filter High attenuation Single-ended operation Dual In-line Package RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay f0±1.2MHz f0±1.4MHz Ultimate Rejection f0±1.8MHz f0±5.8MHz 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 usec dB dB dB dB KHz/°C °C °C °C V dBm -
Minimum
139.85 1.5 35 45 50 55
Typical
140 21.3 1.61 2.35 0.7 3.6 47 48 54 66 0.14 Qz 25
Maximum
140.15 25 1 4 -
-40 -45
0
+85 +105
-
1A
10
DIP3512 (35.0x12.8x4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBS140A17 2008-07-18 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 2MHz Bandwidth
Part Number: LBS140A17
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=L2=68nH
OUTPUT 50Ω C2
Notes - Component values may change depending on board layout.
INPUT 50Ω C1
C1=C2=36pF Source/Load Impedance=50 ohm
Package Dimension
35.00 0.5
Pad Configuration:
SIPAT LBS140A17 XXYYZZ
Input Output
1 5
12.80 0.5 4.7 4.5
Ground All Others
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS140A17: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code
0.45 0.05 2.54 0.2 7.62 0.2
3 6
Package: DIP3512
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
2 1
4 5
25.40 0.2
2.54 0.2
Unit: mm
Part Number Rev. Date Ver.
LBS140A17 2008-07-18 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 2MHz Bandwidth
Part Number: LBS140A17
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -11.2788 -21.2788 -31.2788
-20.7788 -19.7788
Passband Respond
Type Performance
-20.2788
-41.2788 Magnitude(dB)
Amplitude ripple(dB)
-51.2788 -61.2788 -71.2788 -81.2788
-21.2788
-21.7788
-22.2788
-22.7788
-91.2788 -101.2788 -111.2788 134
-23.2788
-23.7788
136
138
140 142 Frequency(MHz)
144
146
138.5
139
139.5
140 Frequency(MHz)
140.5
141
141.5
Horizontal: 2MHz/Div
Vertical: 10dB/Div
Horizontal: 0.5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±0.7MHz)
Type Performance 5500 30
Phase Linearity(f0±0.7MHz)
Type Performance
5000 20
4500 10 4000
X: 139.3 Y: 3506 X: 140 Y: 3639 X: 140.7 Y: 3553 X: 140 Y: 1.044 X: 140.7 Y: 2.082
Group Delay Time(ns)
3000
Degree(deg)
3500
0
X: 139.3 Y: -2.089
-10
2500 -20 2000
-30 1500
1000 138
138.5
139
139.5
140 Frequency(MHz)
140.5
141
141.5
142
-40 138
138.5
139
139.5
140 Frequency(MHz)
140.5
141
141.5
142
Horizontal: 0.5MHz/Div
Vertical: 500ns/Div
Horizontal: 0.5MHz/Div
Vertical: 10deg/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.
LBS140A17 2008-07-18 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
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