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PDF LB140DS25 Data sheet ( Hoja de datos )

Número de pieza LB140DS25
Descripción SAW Filter
Fabricantes SIPAT 
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No Preview Available ! LB140DS25 Hoja de datos, Descripción, Manual

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China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
140MHz Low-loss SAW Filter
1.75MHz Bandwidth
Part Number: LB140DS25
Specifications
Parameter
Center Frequency
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Group delay VariationF0± 0.8MHz
Phase LinearityF0± 0.8MHz
Ultimate Rejection
Absolute Delay
Material Temperature coefficient
Ambient Temperature
Package Size
Unit
MHz
dB
MHz
MHz
MHz
dB
nsec
degree
dB
usec
KHz/°C
°C
Minimum
Typical
Maximum
139.95
140
140.05
- 13.8 15
1.15 1.21
-
1.6 1.75
-
- 3.6 3.7
- 0.4 1
- 40
-
-1
-
40 42
-
- 1.5
-
0.14
25
SMP-53 (13.3 x 6.5 mm 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
C1
L2
C2
L1=100+10nH L2=100nH
C1=47pF
C2=47pF
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.
LB140DS25
2005-7-15
1.0
Page 1/3
Phone: +86-23-62920684
Fax: +86-23-62805284 www.sipatsaw.com / [email protected]

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