China Electronics Technology Group Corporation No.26 Research Institute
70MHz SAW Filter 0.75MHz Bandwidth
Part Number: LBS70A04
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter Center Frequency
Insertion Loss 3 dB Bandwidth 35 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth Passband Variation Ultimate Rejection(Out of f0±15MHz) Absolute Delay Material Temperature coefficient Ambient Temperature Package Size
Unit
MHz dB MHz MHz MHz MHz dB dB
Minimum
69.95 0.7 55 -
Typical
70 27 0.75 1.5 1.57 1.6 0.5 60 3.3 0.07 25
Maximum
70.05 28.5 0.8 1.55 1.95 2.75 1 4
usec
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
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.
LBS70A04 2005-8-2 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
70MHz SAW Filter 0.75MHz Bandwidth
Part Number: LBS70A04
www.sipatsaw.com
SIPAT Co., Ltd.
Package Dimension
35.00±0.5 12.80±0.5 4.7 4.5
0.45±0.05
2.54±0.2
7.62±0.2
3 6
2 1
4 5
25.40±0.2
2.54±0.2
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.
LBS70A04 2005-8-2 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
70MHz SAW Filter 0.75MHz Bandwidth
Part Number: LBS70A04
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond Passband Respond
-24
-25
-26
-27
-28
-29
-30
-31
-32 6.94 6.96 6.98 f l 7 0 1MH 7.02 7.04 7.06
Group delay Variation(F0±0.4MHz)
Phase Linearity(F0±0.4MHz)
Simth Chart S11
Simth Chart S22
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBS70A04 2005-8-2 1.0 Page 3/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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