China Electronics Technology Group Corporation
No.26 Research Institute
204.8MHz SAW Filter
1.2MHz Bandwidth
Part Number:LBS20502
Number:LBS20502
SIPAT Co., Ltd.
Features
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For IF SAW filter
High attenuation
Single-ended operation
Dual In-line Package
No matching required for operation at 50Ω
RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency
Insertion Loss
3dB Bandwidth
40dB Bandwidth
Passband Variation
Absolute Delay
Ultimate Rejection (f0±1.8MHz)
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
Minimum
204.62
-
1.2
Typical
204.8
22.8
1.26
1.97
0.4
3.52
51
0.21
ST42QZ
25
-
-
0
-
1C
Maximum
204.98
24
-
2.0
1.0
4.0
-
+85
+85
10
DIP2712 (27*12.8*4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Phone: +86-23-62920684
Part Number
Rev. Date
Ver.
LBS20502
2012-03-09
1.0
Page
1/3
Fax: +86-23-62808382
Fax: +86-23-62805284
SIPAT [ SIPAT Co,Ltd ]
