China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 5MHz Bandwidth
Part Number: LBS140A62
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 1.5 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay f0±2.775MHz f0±2.975MHz Ultimate Rejection f0±3.375MHz f0±7.375MHz f0±15MHz Material Temperature coefficient Substrate Material Ambient Temperature 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 usec dB dB dB dB dB KHz/°C °C V dBm -
Minimum
139.85 4.7 35 45 48 50 52
Typical
140 26.7 4.65 4.78 5.55 0.7 3.2 38 51 55 54 62 0.14 Qz 25 0
Maximum
140.15 30 1.5 -
-
1C
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.
LBS140A62 2010-11-18 2.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 5MHz Bandwidth
Part Number: LBS140A62
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=100nH L2=82nH
OUTPUT 50Ω C2
Notes - Component values may change depending on board layout.
INPUT 50Ω C1
C1=36pF
C2=33pF
Source/Load Impedance=50 ohm
Package Dimension
35.00 0.50
Pad Configuration:
12.80 0.50
SIPAT LBS140A62 XXYYZZ
Input Output
1 5
Ground All Others
4.70 0.50 4.50 0.50
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS140A62: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code
0.45 0.05 2.54 0.20
7.62 0.50
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 0.50
2.54 0.20
Unit: mm
Part Number Rev. Date Ver.
LBS140A62 2010-11-18 2.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
140MHz SAW Filter 5MHz Bandwidth
Part Number: LBS140A62
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance -16.6604 -26.6604 -36.6604
-26.1604 -25.1604
Passband Response
Type Performance
-25.6604
-46.6604 Magnitude(dB)
A m plitude ripple(dB )
-56.6604 -66.6604 -76.6604 -86.6604
-26.6604
-27.1604
-27.6604
-28.1604
-96.6604 -106.6604 -116.6604 115
-28.6604
120
125
130
135 140 145 Frequency(MHz)
150
155
160
165
-29.1604 134
136
138
140 Frequency(MHz)
142
144
146
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2.3MHz)
Type Performance 3700
Phase Linearity(f0±2.3MHz)
Type Performance
3600
15
3500 10 3400
5 3300 G roup Delay T im e(ns )
X: 142.3 Y: 1.637 X: 140 Y: -0.04887
Degree(deg)
3200
X: 137.7 Y: 3179 X: 140 Y: 3182 X: 142.3 Y: 3179
0
X: 137.7 Y: -2.125
3100
-5 3000
2900
-10
2800 -15 2700
2600 135
136
137
138
139
140 Frequency(MHz)
141
142
143
144
145
-20 135
136
137
138
139
140 Frequency(MHz)
141
142
143
144
145
Horizontal: 1MHz/Div
Vertical: 100ns/Div
Horizontal: 1MHz/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.
LBS140A62 2010-11-18 2.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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