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  Datasheet File OCR Text:
 China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 8MHz Bandwidth
Part Number:LBT12020
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter Center Frequency
Insertion Loss 1.5 dB Bandwidth 3 dB Bandwidth 22 dB Bandwidth 35 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size
Unit
MHz dB MHz MHz MHz MHz MHz MHz MHz dB usec
Minimum
119.875 8.05 50
Typical
120 26.9 8.09 8.22 8.75 8.89 8.94 8.97 9.01 1.2 3.91 55 -2.16 25
Maximum
120.125 28.5 8.8 9.2 9.8 10 1.3 -
dB
KHz/C C
DIP3512 (35.0x12.8x4.7mm3)
Notes:
1. All specifications are based on the test circuit shown 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over 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
Matching Configuration
L1=10nH
L2=L3=27nH
Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBT12020 2005-12-19 1.0 Page 1/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 8MHz Bandwidth
Part Number:LBT12020
www.sipatsaw.com
SIPAT Co., Ltd.
Package Dimension
35.000.5 12.800.5 4.7 4.5
0.450.05
2.540.2
7.620.2
3 6
2 1
4 5
25.400.2
2.540.2
Input:1 Output:5
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBT12020 2005-12-19 1.0 Page 2/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 8MHz Bandwidth
Part Number:LBT12020
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
-22
-26.8803
Passband Respond
-23
-36.8803
-24
-46.8803
-25
-56.8803
-26
-66.8803
-27
-28
-76.8803
-29
-86.8803
-30
-96.8803
-31
-106.8803
108
111
114
117
120
123
126
129
132
Group Delay Variation(f04MHz)
115
116
Phase Linearity(f04MHz)
117
118
119
120
121
122
123
124
125
Smith Chart S11
Smith Chart S22
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBT12020 2005-12-19 1.0 Page 3/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com


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