China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 2MHz Bandwidth
Part Number: LBS12031
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 25 dB Bandwidth 30 dB Bandwidth 35 dB Bandwidth 40 dB Bandwidth Passband Variation 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 MHz MHz dB usec dB KHz/°C °C °C °C V dBm -
Minimum
119.85 1.6 40
Typical
120 25.7 1.72 2.4 2.46 2.5 2.54 0.4 2.77 43 0.12 Qz 25
Maximum
120.15 27 2.41 2.65 3 3.2 1.3 3.1 -
-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.
LBS12031 2008-06-16 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 2MHz Bandwidth
Part Number: LBS12031
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1=82nH
INPUT 50Ω L1 L2 OUTPUT 50Ω
Notes - Component values may change depending on board layout.
L2=39nH
Source/Load Impedance=50 ohm
Package Dimension
35.00 0.5 12.80 0.5
SIPAT LBS12031 XXYYZZ
Pad Configuration: Input Output 1 5
Ground All Others
4.7 4.5
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS12031: 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.
LBS12031 2008-06-16 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 2MHz Bandwidth
Part Number: LBS12031
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -15.7146 -24.2146
Passband Respond
-25.7146 -24.7146
-35.7146 -25.2146 -45.7146
-25.7146 -55.7146 Magnitude(dB)
-65.7146
-26.2146
-75.7146 -26.7146
-85.7146 -27.2146 -95.7146
-27.7146 -105.7146
-115.7146 110
112
114
116
118
120 Frequency(MHz)
122
124
126
128
130
-28.2146 118
118.5
119
119.5
120
120.5
121
121.5
122
Horizontal: 2MHz/Div
Vertical: 10dB/Div
Horizontal: 0.5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±0.8MHz)
Type Performance 3200 15
Phase Linearity(f0±0.8MHz)
Type Performance
3100 10 3000
2900
5
X: 119.2 Y: 0.9449 X: 120.8 Y: 1.133
Group Delay Time(ns)
2800
X: 119.2 Y: 2769
X: 120 Y: 2743
X: 120.8 Y: 2773
0 Degree(deg)
X: 120 Y: -0.5639
2700
-5 2600
2500
-10
2400 -15 2300
2200 118
118.5
119
119.5
120 Frequency(MHz)
120.5
121
121.5
122
-20 118
118.5
119
119.5
120 Frequency(MHz)
120.5
121
121.5
122
Horizontal: 0.5MHz/Div
Vertical: 100ns/Div
Horizontal: 0.5MHz/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.
LBS12031 2008-06-16 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
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