China Electronics Technology Group Corporation
No.26 Research Institute
140MHz SAW Filter
5MHz Bandwidth
Part Number: LBS140A18
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For IF SAW filter
High attenuation
Single-ended operation
Dual In-line Package
RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency
Insertion Loss
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Absolute Delay
f0±2.9MHz
f0±3.1MHz
Ultimate Rejection
f0±3.5MHz
f0±7.5MHz
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
dB
usec
dB
dB
dB
dB
KHz/°C
-
°C
°C
°C
V
dBm
-
Minimum
139.85
-
4.8
-
-
-
35
45
50
55
Typical
140
25.7
4.92
5.74
0.9
3.52
45
58
55
59
0.14
Qz
25
Maximum
140.15
30
5.1
-
1.2
4
-
-
-
-
-40
-45
-
-
0
+85
+105
-
-
1A
10
DIP3512 (35.0x12.8x4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBS140A18
2008-07-23
1.0
Page
1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
