272951B

70.0 MHz SAW Filter
Part Number 272951B
1. Features
Typical 1dB bandwidth of 29.6 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -5℃
℃ ~ +70℃
℃
Minimum
Typical
Maximum
MHz
-
70.0
-
dB
-
28.0
30.0
1dB Bandwidth
MHz
29.5
29.64
-
3dB Bandwidth
MHz
-
29.9
-
40dB Bandwidth
MHz
-
31.1
31.3
50dB Bandwidth
MHz
-
31.3
-
dB
-
0.6
1.0
Group Delay Variation (fo ± 14.32 MHz)
nsec
-
30
60
Absolute Delay
usec
-
2.38
-
dB
45
52
-
ppm/℃
℃
-
-72
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 14.32 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
℃
Insertion Loss
dB
-
28.5
30.0
Amplitude Ripple (fo +/- 14.56 MHz)
dB
-
0.6
1.0
nsec
-
30
60
Group Delay Variation (fo +/- 14.56 MHz)
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
150nH
ITF 11A001
272951B
。70-29.6M
1
2
3
4
10
5
Input
50 Ω
5
1.02±0.1
5
4
3
2
1
180nH
1pF
Output
50 Ω
1.91±0.1
1.56±0.2
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
10
Ground
1,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2011. 04. 22
Rev 1.0
70.0 MHz SAW Filter
Part Number 272951B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
29 Dec 2009 05:19:28
1: 0. 0000 dB
0. 000 000 MHz
3: . 03000 dB
29. 120 000 MHz
REF -27.86 dB
REF -28.11 dB
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
29 Dec 2009 05:19:40
1: 0. 0000 dB
0. 000 000 MHz
3: 2. 2274 ns
29. 120 000 MHz
REF -27.86 dB
REF 2.363 us
CH1 Markers
REF=1
BW: 29. 639415 MHz
cent :
Cor
69. 996367 MHz
CH1 Markers
REF=1
BW: 29. 925179 MHz
cent :
Cor
69. 999042 MHz
Q: 2. 3616
Q: 2. 3391
1_loss : -28 . 026 dB
1
1_loss : -28 . 026 dB
1
2
2
3
4
3
2
3
CH2 Markers
REF=2
mean: -28 . 080 dB
Cor
CENTER 70. 000 000 MHz
Smo
Cor
CH2 Markers
REF=2
4 2. 3808 us
mean:
2
3
s. dev : . 11150 dB
s. dev : 4. 9577 ns
p-p : . 57400 dB
p-p : 25. 779 ns
SPAN 38. 000 000 MHz
CENTER 70. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
Smith Chart
29 Dec 2009 05:18:21
1: 0. 0000 dB
0. 000 000 MHz
REF -28.21 dB
SPAN 38. 000 000 MHz
*
CH1 S11
CH2 S22
1: 9. 4561
2: 10. 080
1 U FS
1 U FS
-25 . 830
-11 . 718
29 Dec 2009 05:20:24
88. 023 pF
70. 000 000 MHz
194. 03 pF
70. 000 000 MHz
*
CH1 Markers
REF=1
BW: 31. 084500 MHz
1
Cor
Cor
cent :
2
69. 985669 MHz
Q: 2. 2515
1_loss : -28 . 046 dB
3
2
4
Cor
1
START 27. 500 000 MHz
STOP 112. 500 000 MHz
CENTER 70. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
SWR(S11 & S22)
29 Dec 2009 05:21:02
1: 0. 0000 dB
0. 000 000 MHz
REF -26.92 dB
SPAN 85. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
20 /
20 /
29 Dec 2009 05:20:18
1: 6. 7390
70. 000 000 MHz
2: 5. 2437
70. 000 000 MHz
REF 6.739
REF 5.244
*
CH1 Markers
REF=1
2:-59 . 432 dB
70. 0000 MHz
Cor
3:-59 . 044 dB
140. 000 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 85. 000 000 MHz
[email protected]
2011. 04. 22
Rev 1.0
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