China Electronics Technology Group Corporation
No.26 Research Institute
137.6MHz SAW Filter
1.0MHz Bandwidth
Part Number:LBS13815
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
1.5dB Bandwidth
3dB Bandwidth
30 dB Bandwidth
40dB Bandwidth
45dB Bandwidth
50dB Bandwidth
Passband Variation
Absolute Delay
Ultimate Rejection(f0±5.5MHz)
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.
dB
usec
dB
KHz/°C
-
°C
°C
°C
V
dBm
-
-
-25
-45
-
-
50
Unit
MHz
dB
MHz
MHz
MHz
MHz
MHz
Minimum
137.5
-
0.85
1.0
Typical
137.6
21.4
0.97
1.10
1.72
Maximum
137.7
26
-
1.8
2.0
2.2
2.8
1.0
4.0
-
-
1.81
1.84
1.86
0.3
3.39
51
0.14
ST-QZ
25
-
-
0
-
1C
DIP3512 (35*12.6*5.2mm3)
+85
+105
10
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBS13815
2011-12-29
1.0
Page
1/3
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