China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 15MHz Bandwidth
Part Number: LBT12043
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 1.5 dB Bandwidth 3 dB Bandwidth 20 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection(f0±12.5MHz) Material Temperature coefficient Substrate Material Ambient Temperature 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 MHz dB usec dB KHz/°C °C V dBm -
Minimum
119.85 15 50
Typical
120 28.2 15.04 15.19 15.7 15.96 1 3.8 51 -2.16 112LT 25 0
Maximum
120.15 32 15.8 1.5 -
-
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.
LBT12043 2011-03-24 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 15MHz Bandwidth
Part Number: LBT12043
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
INPUT 50Ω L1 L2 OUTPUT 50Ω
L1=39nH
L2=33nH
Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
35.00 0.50
Pad Configuration:
12.80 0.50
SIPAT LBT12043 XXYYZZ
Input Output
1 5
Ground 2,3,4,6
4.70 0.50 4.50 0.50
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT12043: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code
0.45 0.05 2.54 0.20
7.62 0.50
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 0.50
2.54 0.20
Unit: mm
Part Number Rev. Date Ver.
LBT12043 2011-03-24 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
120MHz SAW Filter 15MHz Bandwidth
Part Number: LBT12043
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance -18.2492 -28.2492 -38.2492
-27.7492 -26.7492
Passband Response
Type Performance
-27.2492
-48.2492 Magnitude(dB)
Amplitude ripple(dB)
-58.2492 -68.2492 -78.2492 -88.2492
-28.2492
-28.7492
-29.2492
-29.7492
-98.2492 -108.2492 -118.2492 70
-30.2492
80
90
100
110 120 130 Frequency(MHz)
140
150
160
170
-30.7492 105
110
115
120 Frequency(MHz)
125
130
135
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±7MHz)
Type Performance 4000 30 3950
Phase Linearity(f0±7MHz)
Type Performance
3900
20
3850
X: 120 Y: 3801
10
X: 127 Y: 3786 X: 127 Y: 3.986 X: 113 Y: 0.2475
Group Delay Time(ns)
3800
X: 113 Y: 3745
Degree(deg)
0
X: 120 Y: -1.548
3750
3700
-10
3650 -20 3600 -30 3550
3500
110
115
120 Frequency(MHz)
125
130
-40
110
115
120 Frequency(MHz)
125
130
Horizontal: 5MHz/Div
Vertical: 50ns/Div
Horizontal: 5MHz/Div
Vertical: 10deg/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.
LBT12043 2011-03-24 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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