China Electronics Technology Group Corporation
No.26 Research Institute
128.8MHz SAW Filter
8MHz Bandwidth
Part Number: LBT12904
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
1.5 dB Bandwidth
3 dB Bandwidth
30 dB Bandwidth
40 dB Bandwidth
45 dB Bandwidth
50 dB Bandwidth
Passband Variation
Absolute Delay
Ultimate Rejection(f0±9MHz)
Material Temperature coefficient
Substrate Material
Ambient Temperature
Operating 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.
Unit
MHz
dB
MHz
MHz
MHz
MHz
MHz
MHz
dB
usec
dB
KHz/°C
-
°C
°C
V
dBm
-
Minimum
128.65
-
7.75
7.8
-
-
-
-
-
-
55
Typical
128.8
26.5
7.81
7.95
8.57
8.65
8.7
8.77
0.6
4.1
56
-2.3
112LT
25
Maximum
128.95
28
-
-
8.65
-
-
-
1.5
-
-
-25
-
0
+85
-
-
1A
10
DIP3512 (35.0x12.8x4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBT12904
2011-04-21
1.0
Page
1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
SIPAT [ SIPAT Co,Ltd ]
