China Electronics Technology Group Corporation
No.26 Research Institute
84.5MHz SAW Filter
9.2MHz Bandwidth
Part Number: LBT08506
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
40dB Bandwidth
Amplitude ripple
（
+/-4.375MHz
）
Group Delay Variation
（
+4.375MHz
）
Absolute Delay
Ultimate Rejection
Material Temperature coefficient
Substrate Material
Ambient Temperature
Operating Temperature Range
Storage Temperature Range
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
dB
ns
usec
dB
KHz/°C
-
°C
°C
°C
dBm
-
Minimum
84.35
-
9.16
-
-
Typical
84.5
21.7
9.27
10.86
0.5
55.6
Maximum
84.65
25
-
11
1
150
-
-
-
40
1.6
42
-1.52
112°LT
25
-40
-45
-
-
-
-
1A
+85
+85
10
SMD1365C
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBT08506
2011-12-12
1.0
Page
1/3
Phone:
Tel: +86-23-62808818
+86-23-62920684
Fax: +86-23-62808382
Fax: +86-23-62805284
www.sipatsaw.com / sales@sipat.com
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation
No.26 Research Institute
84.5MHz SAW Filter
9.2MHz Bandwidth
Part Number: LBT08506
www.sipatsaw.com
SIPAT Co., Ltd.
手动测试座：
Matching Configuration
L1=120nH L2=120nH
C1=56pF
C2=36pF
Source/Load Impedance=50 ohm
Notes - Component values may change depending
on board layout.
Package Dimension
13.3±0.2
Pad Configuration:
7
6.5±0.2
10
11
12
1
9
8
Input
Output
6
5
11
5
SIPAT
LBT08506
XXYYZZ
2
3
4
Ground All others
Marking Configuration:
1) SIPAT: Manufacturer Name
2) LBT08506: Part Number
3) XXYY: Date(Year/month)
1.61 0.19
0.76
0.4
0.8
4) ZZ: Identified Code
1
1.5
2
3
4
5
6
12
11
10
2.54
9
8
7
Package: SMD1365C
Unit: mm
Typical Performance
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
LBT08506
2011-12-12
1.0
Page
2/3
Phone:
Tel: +86-23-62808818
+86-23-62920684
Fax: +86-23-62808382
Fax: +86-23-62805284
www.sipatsaw.com / sales@sipat.com
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation
No.26 Research Institute
84.5MHz SAW Filter
9.2MHz Bandwidth
Part Number: LBT08506
Passband Response
Type Performance
-19.2339
-19.7339
-20.2339
-20.7339
Amplitude ripple(dB)
-21.2339
-21.7339
-22.2339
-22.7339
-23.2339
-23.7339
-24.2339
www.sipatsaw.com
Frequency Response
Type Performance
-11.7339
-21.7339
-31.7339
-41.7339
Magnitude(dB)
-51.7339
-61.7339
-71.7339
-81.7339
-91.7339
-101.7339
-111.7339
SIPAT Co., Ltd.
60
65
70
75
80
85
90
Frequency(MHz)
95
100
105
78
80
82
84
86
Frequency(MHz)
88
90
92
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±MHz)
Type Performance
2100
2000
Phase Linearity(f0±MHz)
Type Performance
10
5
1900
Group Delay Time(ns)
1800
1700
1600
1500
1400
1300
X: 80
Y: 1565
X: 84.5
Y: 1629
X: 84.5
Y: 1.451
X: 89
Y: 1.331
0
Degree(deg)
X: 80
Y: -4.561
X: 89
Y: 1587
-5
-10
-15
-20
1200
80
82
84
86
Frequency(MHz)
88
90
80
82
84
86
Frequency(MHz)
88
90
Horizontal: 2MHz/Div
Vertical:100 ns/Div
Horizontal: 2MHz/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
Part Number
Rev. Date
Ver.
LBT08506
2011-12-12
1.0
Page
3/3
Phone:
Tel: +86-23-62808818
+86-23-62920684
Fax: +86-23-62808382
Fax: +86-23-62805284
www.sipatsaw.com / sales@sipat.com
www.sipatsaw.com / sawmkt@sipat.com
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