China Electronics Technology Group Corporation No.26 Research Institute
215MHz SAW Filter 15MHz Bandwidth
Part Number: LBT21501
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter Center Frequency
Insertion Loss 1 dB Bandwidth 1.5 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Phase Linearity(f0±7MHz) Group Delay Variation(f0±7MHz) VSWR Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size
Unit
MHz dB MHz MHz MHz MHz MHz dB usec deg
Minimum
214.92 -
Typical
215 34.3 14.73 15 15.33 16.95 17.48 0.7 2.96 7 50 2.9 43 -3.87 25
Maximum
215.08 21 1 4.3 80 -
nsec dB
KHz/°C °C
DIP2712 (27.0x12.8x4.7mm3)
Notes:
1. All specifications are based on the test circuit shown 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over 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
Matching Configuration
INPUT 50Ω C1
L1
L1=L2=5nH
L2 OUTPUT 50Ω C2
Notes - Component values may change depending on board layout.
C1=C2=56pF Source/Load Impedance=50 ohm
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Ver.
LBT21501 2007-06-05 1.0 Page 1/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
215MHz SAW Filter 15MHz Bandwidth
Part Number: LBT21501
www.sipatsaw.com
SIPAT Co., Ltd.
Package Dimension
27.00±0.5 12.80±0.5
SIPAT LBT21501 07XX
4.7 4.5
0.45±0.05 2.54±0.2 7.62±0.2
3 6
2 1
4 5
17.70±0.2
2.54±0.2
1) 2) 3) 4)
·: Pad Number 1 Index SIPAT: Manufacturer name LBT21501: Part Number 07XX: Date Code
Input Output Ground
1 5 2,3,4,6
Package: DIP2712
Unit: mm
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Ver.
LBT21501 2007-06-05 1.0 Page 2/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
215MHz SAW Filter 15MHz Bandwidth
Part Number: LBT21501
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
Type Performance -24.2991 -34.2991 3dB CF = 214.9554MHz -44.2991 3dB = 15.3377MHz -54.2991 Magnitude(dB) -64.2991 -74.2991 -84.2991 -94.2991 -35.7991 -104.2991 -114.2991 -124.2991 190 -36.2991 -36.7991 195
1dB = 14.7321MHz 1.5dB = 15.0059MHz 40dB = 16.948MHz 50dB = 17.4806MHz Insert Loss = -34.2991dB Passband Ripple = 0.7067dB Ultimate Rejection = 43.2283dB Group Delay = 43.7958ns Phase Linearity = 4.2678deg Absolute Delay = 2963.2875ns
Passband Respond
-32.7991 -33.2991 -33.7991 -34.2991 -34.7991 -35.2991
195
200
205
210 215 220 Frequency(MHz)
225
230
235
240
200
205
210
215
220
225
230
235
Horizontal: 5MHz/Div
Vertical: 10dB/Div
Horizontal: 5MHz/Div
Vertical: 0.5dB/Div
Group Delay Variation(f0±7MHz)
Type Performance
Phase Linearity(f0±7MHz)
Type Performance 15
3050
10
3000
X: 222 Y: 5.097
5
X: 215 Y: 2962
X: 208 Y: 1.116
Group Delay Time(ns)
X: 208 Y: 2951
X: 222 Y: 2934
Degree(deg)
2950
0
X: 215 Y: -1.792
-5
2900
-10
2850
-15
2800 200
205
210
215 Frequency(MHz)
220
225
230
-20 200
205
210
215 Frequency(MHz)
220
225
230
Horizontal: 5MHz/Div
Vertical: 50ns/Div
Horizontal: 5MHz/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 ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Ver.
LBT21501 2007-06-05 1.0 Page 3/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
215MHz SAW Filter 15MHz Bandwidth
Part Number: LBT21501
www.sipatsaw.com
SIPAT Co., Ltd.
Maximum Ratings
Operating Temperature Range Storage Temperature Range
DC Voltage Input Power ESD Class °C °C V dBm
[-40°C;+85°C] [-40°C;+105°C]
0 10 max 1
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Ver.
LBT21501 2007-06-05 1.0 Page 4/4
Phone: +86-23-62808818
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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