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China Electronics Technology Group Corporation No.26 Research Institute
350MHz SAW Filter 14MHz Bandwidth
Part Number: LBT35005
www. sipatsaw.com
SIPAT Co., Ltd.
Features
For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection @f014MHz @f028MHz
Unit
MHz dB MHz MHz dB usec dB dB KHz/C C C C V dBm -
Minimum
14 12 40
Typical
350 13.5 16.1 18.74 0.5 0.36 27 41 -6.3 112LT 25
Maximum
15 1 -
Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2.
-40 -45
0
+85 +105
-
1
10
SMD7.0*5.0
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.
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT35005 2007-11-23 1.0 Page 1/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
350MHz SAW Filter 14MHz Bandwidth
Part Number: LBT35005
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
INPUT 50 L1 L2 L3 OUTPUT 50 L4
L1=(5+12)nH
L2=12nH
L3=L4=10nH Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
7.00
Pad Configuration:
9 10 11 12 8 7 6 5 4 5.00
Input Output
10 4
SIPAT LBT35005 07XX
1 2 3
Ground All Others
Marking Configuration:
1.00 1.60
1) *: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LBT35005: Part Number 4) 07XX: Date Code
0.60 1 12 11 10 9 8 7 2 3
1.00
4 5 6 2.54
1.27
Package: SMD7.0*5.0
Unit: mm
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT35005 2007-11-23 1.0 Page 2/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
350MHz SAW Filter 14MHz Bandwidth
Part Number: LBT35005
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -3.4796 -11.9796
Passband Respond
-13.4796
-12.4796
-23.4796
-12.9796
-33.4796 Magnitude(dB)
-13.4796
-43.4796
-13.9796
-53.4796
-14.4796
-63.4796
-14.9796
-73.4796
-15.4796
310
320
330
340
350 Frequency(MHz)
360
370
380
390
335
340
345
350
355
360
365
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f07MHz)
Type Performance 400 10
Phase Linearity(f07MHz)
Type Performance
390
380
5
370
X: 343 Y: 358.1
X: 350 Y: 364.9 X: 343 Y: -0.5857 X: 350 Y: -0.1908
X: 357 Y: 1.22
Group Delay Time(ns)
360
0
X: 357 Y: 349.3
350
340
Degree(deg) -5 -10 360 365 -15 335
330
320
310
300 335
340
345
350 Frequency(MHz)
355
340
345
350 Frequency(MHz)
355
360
365
Horizontal: 5MHz/Div
Vertical: 10ns/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.
LBT35005 2007-11-23 1.0 Page 3/3
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com

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