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  Datasheet File OCR Text:
 China Electronics Technology Group Corporation No.26 Research Institute
115MHz SAW Filter 10MHz Bandwidth
Part Number: LBT11554
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 3 dB Bandwidth 40dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Group Delay Variation(f04.5MHz) 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
114.92 22 9.9 50
Typical
115 24 9.98 11.27 11.38 0.7 3.3 80 60 -2.07 112LT 25
Maximum
115.08 26 10.3 11.35 12 1 3.5 300 -
-40 -45
0
+85 +105
-
1A
10
DIP2212 (22.2x12.8x4.7mm3)
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT11554 2008-03-04 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
115MHz SAW Filter 10MHz Bandwidth
Part Number: LBT11554
www. sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=L2=82nH
OUTPUT 50 C2
Notes - Component values may change depending on board layout.
INPUT 50 C1
C1=C2=36pF Source/Load Impedance=50 ohm
Package Dimension
22.20 0.5 12.80 0.5
SIPAT LBT11554 08XX
Pad Configuration: Input Output 1 5
Ground All Others
4.7 4.5
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT11554: Part Number 3) 08XX: Date Code
0.45 0.05 2.54 0.2
7.62 0.2
3
Package: DIP2212
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
2 1
4 5 6
12.70 0.2
2.54 0.2
Unit: mm
Part Number Rev. Date Ver.
LBT11554 2008-03-04 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
115MHz SAW Filter 10MHz Bandwidth
Part Number: LBT11554
www. sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -13.7085 -23.7085 -33.7085
-23.2085 -22.2085
Passband Respond
-22.7085
-43.7085 Magnitude(dB) -53.7085 -63.7085 -73.7085 -83.7085
-25.2085 -23.7085
-24.2085
-24.7085
-93.7085 -103.7085 -113.7085 95
-25.7085
100
105
110 115 120 Frequency(MHz)
125
130
135
105
110
115
120
125
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f04.5MHz)
Type Performance 3500 15
Phase Linearity(f04.5MHz)
Type Performance
3450 10 3400 5 3350 Group Delay Time(ns)
X: 110.5 Y: 3310 X: 119.5 Y: 3294 X: 115 Y: 3301 X: 119.5 Y: 0.9193
Degree(deg)
3300
0
X: 110.5 Y: -2.26 X: 115 Y: -1.064
3250
-5
3200 -10 3150 -15 3100
3050
108
110
112
114 116 Frequency(MHz)
118
120
122
-20
108
110
112
114 116 Frequency(MHz)
118
120
122
Horizontal: 2MHz/Div
Vertical: 50ns/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 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT11554 2008-03-04 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sawmkt@sipat.com


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