245251B

90.0 MHz SAW Filter
Part Number 245251B
1. Features

Typical 1dB bandwidth of 51.0 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
Minimum
Typical
Maximum
MHz
89.8
90.0
90.2
dB
-
19.5
21.0
1dB Bandwidth
MHz
50.1
51.0
-
3dB Bandwidth
MHz
-
52.5
-
40dB Bandwidth
MHz
-
59.0
60.0
dB
-
0.4
1.0
Group Delay Variation (fo ± 24.0 MHz)
nsec
-
20
60
Absolute Delay
usec
-
0.79
-
dB
37
42
-
ppm/℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 24.0 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
12
8
ITF 13A001
245251B
. 90-51.0M
1
2
3
L2
7.62±0.1
7
4
7
9
8
I nput
50Ω
10
5
L3
Out put
50Ω
C1
L1
1.50±0.1
5
5
11
11
6
6
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 82nH, L2 = 5.6nH, L3 = 68nH, C1 = 27pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
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
Input
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 08. 27
Rev 1.0
90.0 MHz SAW Filter
Part Number 245251B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
27 Aug 2013 14:50:33
1: 0. 0000 dB
0. 000 000 MHz
3: . 00640 dB
48 . 000 000 MHz
REF -19.2 dB
REF -19.2 dB
CH1
S21
LOG
10 dB/
CH2 Markers
REF=1
51 . 139227 MHz
BW:
cent :
89 . 899779
MHz
27 Aug 2013 14:49:50
1: 0. 0000 dB
0. 000 000 MHz
REF -19.2 dB
BW:
1
Cor
Q: 1. 7579
cent :
2
CH1 Markers
REF=1
59 . 047445 MHz
91 . 356852
MHz
Q: 1. 5472
1_loss : -19 . 592 dB
1_loss : -19 . 675 dB
1
2
3
3
4
2
CH4 Markers
REF=2
mean : -19 . 491 dB
Cor
s. dev : . 05650
dB
p-p : . 37360
dB
3
4
Cor
CENTER
90 . 000 000 MHz
SPAN
60 . 000 000 MHz
2
4
CENTER
90 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
Smith Chart(S11 & S22)
27 Aug 2013 14:50:17
1: 0. 0000 dB
0. 000 000 MHz
3: 5. 9001 ns
48 . 000 000 MHz
REF -19.2 dB
REF 770 ns
BW:
cent :
SPAN 150 . 000 000 MHz
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 72. 145
2: 10. 300
-80 . 309
11. 930
27 Aug 2013 14:50:52
22. 020 pF
90. 000 000 MHz
21. 097 nH
90. 000 000 MHz
CH2 Markers
REF=1
52 . 512608 MHz
90 . 132308
MHz
Cor
Q: 1. 7164
1_loss : -19 . 594 dB
1
Cor
2
2
3
2
Cor
CH4 Markers
REF=24
mean : 784 . 88 ns
4
s. dev : 3. 5979 ns
3
Smo
1
p-p : 16 . 251 ns
Cor
CENTER
90 . 000 000 MHz
SPAN
60 . 000 000 MHz
2
CENTER 90. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
27 Aug 2013 14:51:33
1: 0. 0000 dB
0. 000 000 MHz
REF -19.2 dB
SPAN 150. 000 000 MHz
CH1 Markers
REF=1
2: -58 . 854 dB
90 . 0000 MHz
1
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
27 Aug 2013 14:51:04
1: 3. 6500
90 . 000 000 MHz
2: 5. 1416
90 . 000 000 MHz
REF 0
REF 0
Cor
3: -26 . 409 dB
102 . 500 MHz
4: -43 . 744 dB
180 . 000 MHz
Cor
5: -52 . 028 dB
256 . 500 MHz
3
1
4
2
5
2
START
. 010 000 MHz
STOP 450 . 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
CENTER
90 . 000 000 MHz
http://www.itf.co.kr
SPAN 150 . 000 000 MHz
[email protected]
2013. 08. 27
Rev 1.0
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