
Phone: + 86-23-62920684 Fax: + 86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com
Part Number
LBN70A08
Rev. Date
2005-8-18
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Rev.
1.0
Page 1/3
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70MHz SAW Filter
8MHz Bandwidth
Part Number:LBN70A08
Specifications
Parameter
Unit
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
MHz
69.89
70
70.11
dB
22.49
24
1 dB Bandwidth
MHz
7.98
2 dB Bandwidth
MHz
8
8.08
3 dB Bandwidth
MHz
8.15
35 dB Bandwidth
MHz
8.74
8.8
40dB Bandwidth
Passband Variation
MHz
8.78
9.2
dB
0.8
1.5
Phase Linearity(f0±4MHz)
degrees
6
8
Group Delay Variation(f0±4MHz)
nsec
140
160
Absolute Delay
usec
3.75
Ultimate Rejection(f0±5MHz)
dB
50
52
Material Temperature coefficient
KHz/°C
-6.58
Ambient Temperature
°C
25
Package Size
Notes:
1. All specifications are based on the test circuit shown
DIP3520(35.1x20.57x5.1mm3)
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 I mpedance= 50 ohm
Notes - Component values may change depending
on board layout.