SP25001 Datasheet, PDF (3/4 Pages) SIPAT Co,Ltd – 250MHz Low-loss SAW Filter 45MHz Bandwidth

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
250MHz Low-loss SAW Filter
45MHz Bandwidth
Part Number: SP25001
Typical Performance
Frequency Respond
-10.2384
-20.2384
-30.2384
-40.2384
-50.2384
3dB CF = 250.9069MHz
1.5dB = 45.3364MHz
3dB = 46.1981MHz
35dB = 52.3795MHz
Insert Loss = -20.2384dB
Passband Ripple = 0.94324dB
Ultimate Rejection = 32.8593dB
Group Delay = 53.7891ns
Phase Linearity = 15.2797deg
Absolute Delay = 677.9316ns
-60.2384
-70.2384
-80.2384
Type Performance
200
210
220
230
240
250
260
270
280
290
300
Frequency(MHz)
Horizontal: 10MHz/Div Vertical: 10dB/Div
Group Delay Variation(f0±20MHz)
Type Performance
800
750
700
X: 230
Y: 681
650
X: 250
Y: 664.1
X: 270
Y: 666.8
600
550
220
230
240
250
260
270
280
Frequency(MHz)
Horizontal: 10MHz/Div Vertical: 50ns/Div
Smith Chart S11
+j0.5
+j1.0
+j2.0
Passband Respond
-18.7384
-19.2384
-19.7384
-20.2384
-20.7384
-21.2384
-21.7384
-22.2384
200
210
220
230
240
250
260
270
280
290
300
Horizontal: 10MHz/Div Vertical: 0.5dB/Div
Phase Linearity(f0±20MHz)
Type Performance
50
40
30
20
X: 230
Y: 13.34
10
X: 270
X: 250
Y: 3.636
Y: -0.6082
0
-10
-20
-30
-40
-50
-60
200
210
220
230
240
250
260
270
280
290
300
Frequency(MHz)
Horizontal: 10MHz/Div Vertical: 10deg/Div
Smith Chart S22
+j0.5
+j1.0
+j2.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
+j0.2
0.0
-j0.2
+j5.0
∞
-j5.0
-j0.5
-j2.0
-j1.0
-j0.5
-j2.0
-j1.0
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Ver.
SP25001
2007-04-25
1.0
Page 3/4
Phone: [phone]
Fax: [phone] www.sipatsaw.com / [e-mail]