China Electronics Technology Group Corporation
No.26 Research Institute
DIELECTRIC FILTER SPECIFICATION
www.sipatsaw.com
SIPAT Co., Ltd.
Part Number: DF757S12B
1. MODEL NUMBER
MODEL NUMBER.
DF757S12B
CUSTOMER PART NO.
2. TEST CONDITION
2-1 TYPICAL CONDITION
: -TEMPERATURE : 20℃
-HUMIDITY
: 65%RH
2-2 STANDARD CONDITION : -TEMPERATURE :-40℃ to 85℃
-HUMIDITY
: 45%RH to 85%RH
3. COMPOSITION AND MATERIAL
NO.
3-1
3-2
3-3
3-4
RESONATOR
NUMBER OF POLE
IN/OUTPUT TERMINALS
GROUND BASE
NAME
COMPOSITION AND MATERIALS
DIELECTRIC MATERIALS
2 POLE
Ag or Sn PLATED
Ag or Sn PLATED
4. ELECTRICAL SPECIFICATIONS
NO.
4-1
4-2
4-3
4-4
4-5
4-6
BAND WIDTH
INSERTION LOSS IN BW
RIPPLE
V.S.W.R IN BW
ATTENUATION
ITEM
CENTER FREQUENCY(fo)
757.5MHz
±6.0MHz
2.0dB max.
0.5dB max.
1.5 max.
5dB min.
15dB min.
25dB min.
30dB min.
4-7
4-8
INPUT POWER
NOMINAL CHARACTERISIC IMPEDANCE
1W
50Ω
at fo+/-20MHz
at fo-40MHz
at fo+100MHz
at fo-100MHz
13.5dB min. at fo+40MHz
SPECIFICATIONS
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Rev.
DF757S12B
2005-9-21
1.0
Page
1/3
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