UE280 Datasheet, PDF (1/3 Pages) SIPAT Co,Ltd – 280MHz SAW Filter 11MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
280MHz SAW Filter
11MHz Bandwidth
Part Number: UE280
Specifications
Parameter
Center Frequency
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Ultimate Rejection
(f0-100MHz～f0-37.5MHz)
Ultimate Rejection
(f0+100MHz～f0+37.5MHz)
Material Temperature coefficient
Ambient Temperature
Package Size
Unit
MHz
dB
MHz
MHz
MHz
dB
dB
dB
KHz/°C
°C
Minimum
279
-
8
10
-
-
50
50
Typical
280
2.4
9.6
11
30
0.5
53
56
-22.96
25
F-11
Maximum
281
4.5
-
-
35
1
-
-
Notes:
1. All specifications are based on the test circuit shown
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure
electrical compliance over 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
Matching Configuration
INPUT
50Ω
L1
C1
L2
OUTPUT
50Ω
L1=L2=33nH
C1=2.8pF C2=2.8pF
Source/Load Impedance=50 ohm
C2
Notes - Component values may change depending
on board layout.
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Rev.
UE280
2006-5-23
1.0
Page 1/3
Phone: [phone]
Fax: [phone] www.sipatsaw.com / [e-mail]