
Phone: + 86-23-62920684 Fax: + 86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com
Part Number
LB070DS05
Rev. Date
2005-9-28
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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2.5MHz SAW Filter
70MHz Bandwidth
Part Number: LB070DS05
Specifications
Parameter
Unit
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
MHz
69.88
70
70.12
dB
-
12.5
14
1 dB Bandwidth
MHz
2
2.05
-
3 dB Bandwidth
MHz
2.5
2.6
-
40 dB Bandwidth
Passband Variation
MHz
-
4.67
5.5
dB
-
0.5
1.0
Group Delay Variation(f0±0.7MHz)
nsec
-
150
400
Phase Linearity (f0±0.7MHz)
deg
12
-
Absolute Delay
usec
-
1.37
-
Ultimate Rejection
dB
40
45
-
Material Temperature coefficient
KHz/°C
-1.26
Ambient Temperature
°C
25
Package Size
SMP-53C (13.3x6.5mm Nominal Footprint)
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= 120nH L2= 100nH
L3= 68nH L4= 120nH
Source/ Load I mpedance= 50 ohm
Notes - Component values may change depending
on board layout.