China Electronics Technology Group Corporation No.26 Research Institute
147.7MHz SAW Filter 4MHz Bandwidth
Part Number: LBS14801
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 1dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Group Delay Variation(f0±MHz) Absolute Delay 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 nsec usec dB KHz/°C °C °C °C V dBm -
Minimum
147.6 4 4.2 45
Typical
147.7 22.3 4.03 4.32 5.34 0.7 110 2.86 47 0.15 Qz 25
Maximum
147.8 26 5.5 1 200 -
-40 -45
0
+85 +105
-
1A
10
DIP2712 (27.0x12.8x4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBS14801 2008-01-23 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
147.7MHz SAW Filter 4MHz Bandwidth
Part Number: LBS14801
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=100nH L2=68nH
OUTPUT 50Ω C2
Notes - Component values may change depending on board layout.
INPUT 50Ω C1
C1=33pF
C2=(55+22)pF
Source/Load Impedance=50 ohm
Package Dimension
27.00 0.5
Pad Configuration:
SIPAT LBS14801 08XX
Input Output
1 5
12.80 0.5 4.7 4.5
Ground All Others
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS14801: Part Number 3) 08XX: Date Code
0.45 0.05 2.54 0.2 7.62 0.2
3 6
Package: DIP2712
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
2 1
4 5
17.70 0.2
2.54 0.2
Unit: mm
Part Number Rev. Date Ver.
LBS14801 2008-01-23 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
147.7MHz SAW Filter 4MHz Bandwidth
Part Number: LBS14801
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -12.2941 -22.2941 -32.2941
-21.7941 -20.7941
Passband Respond
-21.2941
-42.2941 Magnitude(dB) -52.2941 -62.2941 -72.2941 -82.2941
-23.7941 -22.2941
-22.7941
-23.2941
-92.2941 -102.2941 -112.2941 138
-24.2941
140
142
144
146 148 150 Frequency(MHz)
152
154
156
145
146
147
148
149
150
151
Horizontal: 2MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2MHz)
Type Performance 3100 10
Phase Linearity(f0±2MHz)
Type Performance
3000 5
X: 149.7 Y: 1.915 X: 147.7 Y: -0.363
2900 Group Delay Time(ns)
X: 145.7 Y: 2846
X: 147.7 Y: 2886 X: 145.7 Y: -0.775
X: 149.7 Y: 2830
0 Degree(deg) -5 -10
2800
2700
2600
2500
144
145
146
147
148 Frequency(MHz)
149
150
151
-15
144
145
146
147
148 Frequency(MHz)
149
150
151
Horizontal: 1MHz/Div
Vertical: 100ns/Div
Horizontal: 1MHz/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.
LBS14801 2008-01-23 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
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