270254B

70.0 MHz SAW Filter
Part Number270254B
1. Features
Typical 1dB bandwidth of 2.3 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
70.0
-
dB
-
23.5
25.5
1dB Bandwidth
3dB Bandwidth
MHz
MHz
2.2
2.37
-
-
2.6
-
40dB Bandwidth
MHz
-
3.6
3.75
dB
-
0.5
1.0
Group Delay Variation (fo ± 1.0 MHz)
nsec
-
100
200
Absolute Delay
usec
-
2.45
-
dB
43
48
-
ppm/℃2
-
-0.03
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.0 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
20.00±0.2
9.80±0.2
10
9
8
Matching Schematic
2.30±0.1
S2098 Package Dimension
7
7.62±0.1
6
6
7
8
9
10
10
ITF 12A001
270254B
。70-2.3M
1
2
3
4
L2
Input
50Ω
5
1.02±0.1
5
4
3
2
5
L3
L1
1
Output
50Ω
L4
1.91±0.1
1.56±0.2
L1 = 120nH, L2 = 270nH, L3 = 270nH, L42 = 120nH
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
Pin Configuration
Input
10
Ground
1,6
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 03. 28
Rev 1.0
70.0 MHz SAW Filter
Part Number270254B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
4 Jul 2012 17:14:52
1: 0. 0000 dB
0. 000 000 MHz
3: . 02690 dB
2. 000 000 MHz
REF -23.12 dB
REF -23.59 dB
BW:
cent :
Cor
CH1 S21
LOG
10 dB/
4 Jul 2012 17:12:58
1: 0. 0000 dB
0. 000 000 MHz
REF -23.52 dB
CH1 Markers
REF=1
2. 379261 MHz
70. 000435 MHz
BW:
1
Cor
cent :
Q: 29. 421
2
CH1 Markers
REF=1
3. 602690 MHz
70. 003115 MHz
Q: 19. 431
1_loss : -23 . 626 dB
1_loss : -23 . 585 dB
1
2
3
4
3
2
CH2 Markers
REF=2
mean:-23 . 316 dB
Cor
3
4
s. dev : . 15600 dB
p-p : . 52270 dB
CENTER 70. 000 000 MHz
SPAN
CENTER 70. 000 000 MHz
3. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
4 Jul 2012 17:15:23
1: 0. 0000 dB
0. 000 000 MHz
3: 11. 868 ns
2. 000 000 MHz
REF -23.12 dB
REF 2.414 us
BW:
cent :
Cor
SPAN 12. 000 000 MHz
Smith Chart ( S11 & S22 )
CH1 S11
CH2 S22
1: 9. 3315
2: 60. 590
1 U FS
1 U FS
-2 . 4019
68. 664
4 Jul 2012 17:16:03
946. 62 pF
70. 000 000 MHz
156. 12 nH
70. 000 000 MHz
CH1 Markers
REF=1
2. 606070 MHz
70. 002509 MHz
Cor
Q: 26. 861
1_loss : -23 . 628 dB
2
1
2
1
3
2
Smo
CH2 Markers
REF=2
mean: 2. 4580 us
4
s. dev : 20. 972 ns
Cor
3
Cor
p-p : 98. 673 ns
CENTER 70. 000 000 MHz
SPAN
3. 000 000 MHz
CENTER 70. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -24.69 dB
SPAN 12. 000 000 MHz
SWR(S11 & S22)
4 Jul 2012 17:19:04
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-54 . 564 dB
43. 0000 MHz
CH1 S11
CH2 S22
SWR
SWR
2 /
2 /
4 Jul 2012 17:16:57
1: 5. 3735
70. 000 000 MHz
2: 3. 2751
70. 000 000 MHz
REF 5.372
REF 3.275
Cor
3:-52 . 318 dB
57. 5000 MHz
1
1
Cor
2
START . 010 000 MHz
2
3
STOP 300. 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 70. 000 000 MHz
http://www.itf.co.kr
SPAN 12. 000 000 MHz
[email protected]
2013. 03. 28
Rev 1.0
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