China Electronics Technology Group Corporation
No.26 Research Institute
70MHz IF SAW Filter
20MHz Bandwidth
Part Number: LBN70A43
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter
Center Frequency
Insertion Loss
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Absolute Delay
f0±10.5MHz
f0±10.7MHz
Ultimate Rejection
f0±11.1MHz
f0±15.1MHz
f0±15MHz
Material Temperature coefficient
Ambient Temperature
Package Size
Unit
MHz
dB
MHz
MHz
dB
usec
Minimum
69.9
-
20.1
-
-
-
35
45
50
50
50
Typical
70
27.7
20.22
20.97
0.9
3.74
40
54
56
54
55
-6.58
25
Maximum
70.1
29
20.3
-
1.2
4
-
-
-
-
-
dB
dB
dB
dB
dB
KHz/°C
°C
DIP3512 (35.0x12.8x4.7mm3)
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
L1=180nH L2=150nH
INPUT
50
Ω
L1
L2
Source/Load Impedance=50 ohm
OUTPUT
50
Ω
Notes - Component values may change depending
on board layout.
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBN70A43
2007-06-12
1.0
Page
1/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
SIPAT [ SIPAT Co,Ltd ]
