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  Datasheet File OCR Text:
 China Electronics Technology Group Corporation No.26 Research Institute
208MHz SAW Filter 6MHz Bandwidth
Part Number:LBS20801
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter Center Frequency
Insertion Loss 3 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Phase Ripple(f03MHz) Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size
Unit
MHz dB MHz MHz MHz MHz dB usec deg
Minimum
6.2 40
Typical
208 22.7 6.56 8.62 8.74 8.87 1.4 1.44 4 49 0.208 25 SMD13.3*6.5
Maximum
23 9 9.1 1.5 10 -
dB
KHz/C C
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=82nH
L2=(56+10)Nh C2=36pF
L1
L2
C1=56pF
Source/Load Impedance=50 ohm
C1
C2
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.
LBS20801 2006-1-24 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
208MHz SAW Filter 6MHz Bandwidth
Part Number:LBS20801
www.sipatsaw.com
SIPAT Co., Ltd.
Package Dimension
5
4
3
2
1
6
7
8
9
10
6
7
8
9
10
5
4
3
2
1
Input:10 Output:5
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBS20801 2006-1-24 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
208MHz SAW Filter 6MHz Bandwidth
Part Number:LBS20801
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
-18
-22.6509
Passband Respond
-19
-32.6509
-20
-42.6509
-21
-52.6509
-22
-62.6509
-23
-72.6509
-24
-25
-82.6509
-26
-92.6509
-27
-102.6509 188 193 198 203 208 213 218 223 228
203
204
205
206
207
208
209
210
211
212
213
Group Delay Variation(f03MHz)
Phase Linearity(f03MHz)
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.
LBS20801 2006-1-24 1.0 Page 3/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com


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