
Phone: + 86-23-62920684 Fax: + 86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com
Part Number
LB070DS04
Rev. Date
2005-9-30
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
2MHz Bandwidth
Part Number: LB070DS04
Specifications
Parameter
Unit
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
MHz
69.88
70
70.12
dB
-
14.7
16
1 dB Bandwidth
MHz
1.3
1.52
-
3 dB Bandwidth
MHz
2
2.05
-
40 dB Bandwidth
Passband Variation
MHz
-
3.95
4.25
dB
-
0.3
1
Absolute Delay
usec
-
1.51
-
Group Delay Variation(f0±0.7MHz)
nsec
-
130
340
Phase Linearity(f0±0.7MHz)
deg
-
14
-
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= L2= 180nH
C1= 100pF C2= 33pF
Source/ Load I mpedance= 50 ohm
Notes - Component values may change depending
on board layout.
L2
L1
C1
C2