
Phone: + 86-23-62920684 Fax: + 86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com
Part Number
LBT14066
Rev. Date
2005-1-30
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Rev.
2.0
Page 1/3
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140MHz SAW Filter
14.4MHz Bandwidth
Part Number: LBT14066
Specifications
Parameter
Unit
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
MHz
139.9
140
140.1
dB
27.8
29.3
1.5 dB Bandwidth
MHz
14.38
14.4
25 dB Bandwidth
MHz
15.35
15.4
30 dB Bandwidth
MHz
15.5
16
40 dB Bandwidth
MHz
16.34
16.7
Group delay Variation(f0
±
7.2MHz)
nsec
107
130
Phase Linearity(f0
±
7.2MHz)
Passband Variation
degree
10
15
dB
1
1.5
Absolute Delay
usec
2.26
2.3
Ultimate Rejection
dB
35
40
Subatrate Material
112LT
Ambient Temperature
°C
25
Package Size
DIP2712 (27.2x12.7x5.2mm
3
)
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= 18nH L2= 56nH
C1= 51pF C2= 33pF
Source/ Load I mpedance= 50 ohm
Notes - Component values may change depending
on board layout.
L2
L1
C1
C2