175.0 MHz SAW Filter
Part Number
250459B
1. Features
Typical 1dB bandwidth of 4.35 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Operating Temperature : -30℃ ~ +80℃
℃
℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 1.92 MHz)
dB
Group Delay Variation (fo ± 1.92 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
2
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 1.92 MHz)
Group Delay Variation (fo ± 1.92 MHz)
S1365 Package Dimension
Source and Load Impedance = 50
Minimum
Typical
Maximum
-
-
4.2
-
-
-
-
-
45
175.0
23.0
4.35
4.65
5.93
0.65
80
1.78
50
-0.03
-
25.0
-
-
6.05
1.0
150
-
-
-
-
Minimum
Typical
23.0
0.65
80
Maximum
25.0
1.0
150
MHz
dB
nsec
-
-
-
Matching Schematic
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
68nH
Input
50
Ω
11
11
5
82nH
Output
50
Ω
6.50±0.2
11
12
1.61±0.2
2.54±0.1
ITF 11A001
250459B
。
175-4.3M
1
2
3
4
6
6
1.50±0.1
36pF
27pF
5
5
12
4
3
2
2.54±0.1
1
0.80±0.1
Pin Configuration
Input
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
11
5
Ground
Others
6,12
Ground
Output
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2011. 04. 21
Rev 1.0
175.0 MHz SAW Filter
Part Number
250459B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/ REF -22.74 dB
1 dB/ REF -23.38 dB
9 Nov 2010 14:13:17
1: 0. 0000 dB
0. 000 000 MHz
3:-. 21410 dB
3. 840 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/ REF -22.74 dB
100 ns/ REF 1.736 us
9 Nov 2010 14:13:56
1: 0. 0000 dB
0. 000 000 MHz
3:-8 . 8044 ns
3. 840 000 MHz
BW
:
Cor
CH1 Markers
REF=1
4. 347869 MHz
Cor
BW
:
CH1 Markers
REF=1
4. 635930 MHz
cent : 174. 892362 MHz
Q 40. 225
:
1_
loss : -22 . 991 dB
1
2
cent : 174. 886982 MHz
Q 37. 724
:
1_
loss : -22 . 981 dB
1
2
3
3
2
Cor
4
3
2
3
CH2 Markers
REF=2
mean: 1.4
7897 us
s. dev : 18. 052 ns
p-p : 86. 365 ns
CH2 Markers
REF=2
mean:-23 . 077 dB
s. dev : . 14870 dB
p-p : . 63790 dB
Smo
Cor
CENTER 175. 000 000 MHz
SPAN 5. 000 000 MHz
CENTER 175. 000 000 MHz
SPAN 5. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/ REF -23.03 dB
9 Nov 2010 14:11:57
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
1 U FS
1 U FS
Smith Chart(S11 & S22)
1: 19. 749
1: 121. 64
17. 869
-70 . 898
9 Nov 2010 14:15:10
16. 251 nH
175. 000 000 MHz
12. 828 pF
175. 000 000 MHz
*
BW
:
CH1 Markers
REF=1
5. 920564 MHz
Cor
cent : 174. 882963 MHz
2
Q 29. 538
:
1_
loss : -23 . 026 dB
1
1
Cor
1
3
4
Cor
CENTER 175. 000 000 MHz
SPAN 20. 000 000 MHz
CENTER 175. 000 000 MHz
SPAN 20. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/ REF -24.2 dB
9 Nov 2010 14:16:01
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
SWR(S11 & S22)
2 /
2 /
REF 2.906
REF 3.365
9 Nov 2010 14:15:00
1: 2. 9078
175. 000 000 MHz
1: 3. 3724
175. 000 000 MHz
CH1 Markers
REF=1
2:-76 . 397 dB
175. 000 MHz
3:-56 . 759 dB
350. 000 MHz
Cor
1
1
Cor
1
3
START . 010 000 MHz
2
STOP 600. 000 000 MHz
CENTER 175. 000 000 MHz
SPAN 20. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2011. 04. 21
Rev 1.0
Automotive Electronics
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