China Electronics Technology Group Corporation No.26 Research Institute
124MHz SAW Filter 4MHz Bandwidth
Part Number: LBS12404
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 3 dB Bandwidth 35 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth 53 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection(f0±15MHz) 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 MHz MHz MHz MHz dB usec dB KHz/°C °C °C °C V dBm -
Minimum
123.85 4.35 53
Typical
124 26 4.17 4.39 5.17 5.23 5.29 5.46 5.56 0.5 3.1 62 0.12 Qz 25
Maximum
124.15 30 5.2 5.6 6.4 14.4 1.5 4 -
-40 -45
0
+85 +105
-
1C
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.
LBS12404 2009-09-25 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
124MHz SAW Filter 4MHz Bandwidth
Part Number: LBS12404
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
L1 L2
L1=120nH L2=82nH
OUTPUT 50Ω C2
Notes - Component values may change depending on board layout.
INPUT 50Ω C1
C1=C2=33pF Source/Load Impedance=50 ohm
Package Dimension
35.00 0.50
Pad Configuration:
12.80 0.50
SIPAT LBS12404 XXYYZZ
Input Output
1 5
Ground All Others
4.70 0.50 4.50 0.50
Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS12404: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code
0.45 0.05 2.54 0.20
7.62 0.20
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 0.20
2.54 0.20
Unit: mm
Part Number Rev. Date Ver.
LBS12404 2009-09-25 1.0 Page 2/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
124MHz SAW Filter 4MHz Bandwidth
Part Number: LBS12404
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance -15.9825 -25.9825 -35.9825
-25.4825 -24.4825
Passband Response
Type Performance
-24.9825
-45.9825 Magnitude(dB)
A m plitude ripple(dB )
-55.9825 -65.9825 -75.9825 -85.9825
-25.9825
-26.4825
-26.9825
-27.4825
-95.9825 -105.9825 -115.9825
-27.9825
110
115
120 125 Frequency(MHz)
130
135
-28.4825 119
120
121
122
123
124 Frequency(MHz)
125
126
127
128
129
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 1MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±2MHz)
Type Performance 3800 20
Phase Linearity(f0±2MHz)
Type Performance
3600
15
3400
10
3200 G roup Delay T im e(ns )
X: 122 Y: 3072 X: 124 Y: 3071 X: 126 Y: 3048
5
X: 126 Y: 1.225
D egree(deg)
0
X: 122 Y: -0.5671
X: 124 Y: -0.7127
3000
-5 2800
-10 2600
-15 2400
-20 2200 120 121 122 123 124 Frequency(MHz) 125 126 127 128 120 121 122 123 124 Frequency(MHz) 125 126 127 128
Horizontal: 1MHz/Div
Vertical: 200ns/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.
LBS12404 2009-09-25 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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