China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
18MHz Bandwidth
Part Number: LBN70A53
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 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Absolute Delay
Group Delay Variation(f0±8.5MHz)
Ultimate Rejection
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.
Unit
MHz
dB
MHz
MHz
MHz
dB
usec
nsec
dB
KHz/°C
-
°C
°C
°C
V
dBm
-
Minimum
69.96
-
17.77
-
-
-
-
-
42
Typical
70
25.6
17.82
18.01
18.63
0.9
4
100
45
-5.74
128LN
25
Maximum
70.04
29
-
-
18.65
1
-
150
-
-40
-45
-
-
0
+85
+105
-
-
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.
LBN70A53
2008-02-03
1.0
Page
1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
18MHz Bandwidth
Part Number: LBN70A53
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
INPUT
50
Ω
L1
L2
L3
OUTPUT
50
Ω
L4
L1=L4=220nH
L2=L3=22nH
Source/Load Impedance=50 ohm
Notes - Component values may change depending
on board layout.
Package Dimension
35.00 0.5
12.80 0.5
SIPAT
LBN70A53
08XX
Pad Configuration:
Input
Output
1
5
Ground All Others
4.7
4.5
Marking Configuration:
1) SIPAT: Manufacturer Name
2) LBN70A53: Part Number
3) 08XX: Date Code
0.45 0.05
2.54 0.2
7.62 0.2
3
6
Package: DIP3512
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
2
1
4
5
25.40 0.2
2.54 0.2
Unit: mm
Part Number
Rev. Date
Ver.
LBN70A53
2008-02-03
1.0
Page
2/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation
No.26 Research Institute
70MHz SAW Filter
18MHz Bandwidth
Part Number: LBN70A53
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance
-15.6317
-25.6317
-35.6317
-25.1317
-24.1317
Passband Respond
-24.6317
-45.6317
Magnitude(dB)
-55.6317
-65.6317
-75.6317
-85.6317
-27.1317
-25.6317
-26.1317
-26.6317
-95.6317
-105.6317
-115.6317
45
-27.6317
50
55
60
65
70
75
Frequency(MHz)
80
85
90
95
-28.1317
55
60
65
70
75
80
85
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±8.5MHz)
Type Performance
4300
20
Phase Linearity(f0±8.5MHz)
Type Performance
15
4200
10
X: 78.5
Y: 6.299
4100
Group Delay Time(ns)
X: 61.5
Y: 4042
X: 70
Y: 4068
5
X: 78.5
Y: 4057
X: 61.5
Y: 1.491
X: 70
Y: 0.1422
0
Degree(deg)
4000
-5
-10
3900
-15
3800
-20
-25
3700
55
60
65
70
Frequency(MHz)
75
80
85
55
60
65
70
Frequency(MHz)
75
80
85
Horizontal: 5MHz/Div
Vertical: 100ns/Div
Horizontal: 5MHz/Div
Vertical: 5deg/Div
Smith Chart S11
+j1.0
+j0.5
+j2.0
Smith Chart S22
+j1.0
+j0.5
+j2.0
+j0.2
+j5.0
+j0.2
+j5.0
0.2
0.5
1.0
2.0
5.0
0.2
0.5
1.0
2.0
0.0
∞
5.0
0.0
∞
-j0.2
-j5.0
-j0.2
-j5.0
-j0.5
-j1.0
-j2.0
-j0.5
-j1.0
-j2.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBN70A53
2008-02-03
1.0
Page
3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
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