China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
3MHz Bandwidth
Part Number: LB140DS35
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For IF SAW filter
Single-ended operation
Ceramic Surface Mount Package
Small size
RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
30 dB Bandwidth
Passband Variation
Group Delay Variation(f0±1MHz)
Absolute Delay
Ultimate Rejection
Material Temperature coefficient
Substrate Material
Ambient Temperature
Operating Temperature Range
Storage Temperature Range
DC Voltage
Input Power
ESD Class
Package Size
Notes:
1.
2.
All specifications are based on the test circuit shown;
In production, all specifications are measured by Agilent Network analyzer and full 2 port calibration at room
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.
Unit
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
KHz/°C
-
°C
°C
°C
V
dBm
-
Minimum
139.85
-
1.9
2.8
-
-
-
-
40
Typical
140
11
2.15
2.97
5.58
0.2
37
1.05
51
-2.52
112LT
25
Maximum
140.15
15
-
-
6
0.8
100
-
-
-40
-45
-
-
0
+85
+105
-
-
1A
10
SMD13.3*6.5A
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LB140DS35
2008-09-18
1.0
Page
1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
