China Electronics Technology Group Corporation
No.26 Research Institute
897.5MHz SAW Filter
24MHz Bandwidth
SIPAT Co., Ltd.
www.sipatsaw.com
Part Number: LBT89702
Features
For RF SAW filter
Single-ended operation
Ceramic Surface Mount Package
Small size
No matching required for operation at 50Ω
RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Unit
Minimum
Typical
897.5
1.4
0.6
1.8
28
Maximum
Center Frequency
Insertion Loss(885.5～909.5MHz)
Passband Variation(885.5～909.5MHz)
VSWR(885.5～909.5MHz)
Ultimate Rejection(930.5～954.5MHz)
Material Temperature coefficient
Substrate Material
MHz
-
-
-
2.5
1
dB
dB
-
-
-
2
dB
20
-
KHz/°C
-28.7
42LT
25
-
°C
°C
V
Ambient Temperature
Operating Temperature Range
DC Voltage
-40
-
-
+85
10
0
Input Power
dBm
-
-
ESD Class
1A
Package Size
SMD3.0*3.0
Notes:
1. All specifications are based on the test circuit shown;
2. 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.
Part Number
Rev. Date
Ver.
LBT89702
2011-03-15
1.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
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