China Electronics Technology Group Corporation No.26 Research Institute
340MHz SAW Filter 8MHz Bandwidth
Part Number: LBT34003
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For RF SAW filter Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency Insertion Loss(336~344MHz) Passband Variation(336~344MHz) VSWR(336~344MHz) Group Delay Variation(336~344MHz) 10~330MHz 350~700MHz Ultimate Rejection 700~1500MHz 1500~2500MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. 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; Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; This is the optimum impedance in order to achieve the performance show.
Unit
MHz dB dB nsec dB dB dB dB KHz/°C °C °C °C V dBm -
Minimum
30 30 20 5
Typical
340 1.7 0.7 1.6 70 31 30 29 6 -10.9 42LT 25
Maximum
3 1 2 80 -
-40 -40 -
0 1A
+85 +85 10
SMD3.8*3.8
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT34003 2011-08-01 1.0 Page 1/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
340MHz SAW Filter 8MHz Bandwidth
Part Number: LBT34003
www.sipatsaw.com
SIPAT Co., Ltd.
Matching Configuration
INPUT 50
2
5
OUTPUT 50
Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
Package Dimension
3.80 0.15
Pad Configuration: Input:
3.80 0.15
2
6
1.35 0.2
Package: SMD3.8*3.8
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
1
SIPAT 34003 XXYYZZ
Output: 5 Ground: 1,3,4,6
5
2 3 6 1.27 0.05 5 4
4
Marking Configuration: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) 34003: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code
1.00 0.15
1.90 0.15
Fax: +86-23-62808382
1 2 3 0.64 0.05
Unit: mm
Part Number Rev. Date Ver.
LBT34003 2011-08-01 1.0 Page 2/3
www.sipatsaw.com / sales@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
340MHz SAW Filter 8MHz Bandwidth
Part Number: LBT34003
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Response
Type Performance 9.0033 0.5033
Passband Response
Type Performance
-0.9967
0.0033
-10.9967 -0.4967 -20.9967 -0.9967 Amplitude ripple(dB) 300 310 320 330 340 Frequency(MHz) 350 360 370 380 390
-30.9967 Magnitude(dB)
-40.9967
-1.4967
-50.9967
-1.9967
-60.9967 -2.4967 -70.9967 -2.9967
-80.9967
-90.9967 290
-3.4967
330
332
334
336
338 340 Frequency(MHz)
342
344
346
348
350
Horizontal: 10MHz/Div
Vertical: 10dB/Div
Horizontal: 2MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±4MHz)
Type Performance 350 30
Phase Linearity(f0±4MHz)
Type Performance
300 20 250
200
X: 344 Y: 130.6
10
X: 336 Y: 116.4 X: 340 Y: 74.56
X: 336 Y: 4.462 X: 340 Y: -1.101
150 Group Delay Time(ns)
100
50
Degree(deg)
0
X: 344 Y: -4.208
-10
0 -20
-50
-100 -30 -150
-200 332
334
336
338
340 Frequency(MHz)
342
344
346
348
-40 332
334
336
338
340 Frequency(MHz)
342
344
346
348
Horizontal: 2MHz/Div
Vertical: 50ns/Div
Horizontal: 2MHz/Div
Vertical: 10deg/Div
Input VSWR(f0±4MHz)
Type Performance (VSWR1) 2 2
Output VSWR(f0±4MHz)
Type Performance (VSWR2)
1.8
1.8
1.6
X: 336 Y: 1.513
1.6
X: 336 Y: 1.486
Magnitude(dB)
1.4
Magnitude(dB)
1.4
X: 344 Y: 1.249
1.2
X: 344 Y: 1.152
1.2
1
1
0.8 330
332
334
336
338
340 Frequency(MHz)
342
344
346
348
350
0.8 330
332
334
336
338
340 Frequency(MHz)
342
344
346
348
350
SIPAT Co., Ltd.
( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818
Part Number Rev. Date Ver.
LBT34003 2011-08-01 1.0 Page 3/3
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
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