China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
9MHz Bandwidth
Part Number: LB140DS47
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
Return Loss
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation(f0±2.6MHz)
Group Delay Variation(f0±2.6MHz)
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
dB
MHz
MHz
MHz
dB
nsec
usec
dB
KHz/°C
-
°C
°C
°C
V
dBm
-
Minimum
139.75
-
-
7.5
8.5
-
-
-
-
40
Typical
140
6
-10
8.03
9.04
12.43
0.5
65
0.85
45
-13.16
YZ LN
25
Maximum
140.25
8.5
-
-
-
13
1
150
-
-
-40
-45
-
-
0
+85
+105
-
-
1A
10
SMD13.3*6.5
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LB140DS47
2009-05-15
2.0
Page
1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
