270755B

70 MHz SAW Filter
Part Number 270755B
1. Features

Typical 1dB bandwidth of 6.45 MHz

Low-Loss Filter

Single Ended Operation

Ceramic Surface Mount Device(SMD) Package
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -40℃ ~ +85℃
Minimum
Typical
Maximum
MHz
-
70.0
-
dB
-
9.5
11.5
1dB Bandwidth
MHz
5.9
6.45
-
3dB Bandwidth
MHz
-
7.09
-
40dB Bandwidth
MHz
-
9.4
10.0
dB
-
0.4
1.0
Group Delay Variation (fo ± 2.5 MHz)
nsec
-
45
100
Absolute Delay
usec
-
1.37
-
dB
40
45
-
ppm/℃
-
-86
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 2.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
9.5
11.0
Amplitude Ripple (fo ± 2.88 MHz)
dB
-
0.4
1.0
nsec
-
45
100
Group Delay Variation (fo ± 2.88 MHz)
S1365 Package Dimension
13.30±0.2
8
7.62±0.1
7
ITF RSQL07
270755B
. 70-6.4M
11
12
1
2
3
4
7
6
6
5
5
9
8
L1
Input
50Ω
10
11
5
L2
Output
50Ω
11
C1
1.50±0.1
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Schematic
L3
12
4
3
2
2.54±0.1
1
0.80±0.1
C1 = 56pF, L1 = 100nH, L2 = 18nH, L3 = 56nH
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]
2015. 12. 22
Rev 1.0
70 MHz SAW Filter
Part Number 270755B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2 S21
CH4 S21
LOG
LOG
40dB Bandwidth
4 Dec 2015 17:30:47
1: 0. 0000dB
0. 000000MHz
3:-. 27970dB
5. 760000MHz
1 dB/ REF -9.3 dB
1 dB/ REF -9.3 dB
CH1 S21
LOG
4 Dec 2015 17:29:55
1: 0. 0000dB
0. 000000MHz
10 dB/ REF -9.3 dB
CH2Markers
REF=1
BW
: 6. 497156
MHz
cent:
69. 938549
MHz
CH1Markers
REF=1
BW
: 9. 290818
MHz
1
Cor
cent:
Q
: 10. 764
70. 123343
MHz
2
Q
: 7. 5476
1_
loss: -9. 4584dB
1
1_
loss: -9. 4624dB
2
3
4
3
2
CH4Markers
REF=2
mean
:-9. 4461dB
Cor
3
4
s. dev: . 04550dB
p-p: . 38720dB
Cor
CENTER
70. 000000MHz
SPAN 8. 500000MHz
2
4
CENTER
70. 000000MHz
3dB Bandwidth & Group Delay
CH2 S21
CH4 S21
LOG
DEL
Smith Chart(S11 & S22)
4 Dec 2015 17:30:28
1: 0. 0000dB
0. 000000MHz
3:-19. 638ns
5. 760000MHz
1 dB/ REF -9.3 dB
100 ns/ REF 1.34 us
SPAN30. 000000MHz
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 23.389
2: 58.904
9.8281
12. 908
4 Dec 2015 17:31:07
22.346nH
70. 000000MHz
29.349nH
70. 000000MHz
CH2Markers
REF=1
BW
: 7. 095987
MHz
cent:
69. 981574
MHz
Cor
Q
: 9. 8621
1_
loss: -9. 4556dB
1
Cor
2
1
2
3
2
Cor
4
CH4Markers
REF=2
mean
:41. 3683us
3
Smo
s. dev: 7. 5631ns
p-p: 44. 250ns
Cor
CENTER
70. 000000MHz
SPAN 8. 500000MHz
2
CENTER
70. 000000MHz
Wide band Properties
CH1 S21
LOG
10 dB/ REF -9.3 dB
SPAN30.000000MHz
SWR(S11 & S22)
4 Dec 2015 17:32:00
1: 0. 0000dB
0. 000000MHz
CH1 S11
CH3 S22
SWR
SWR
5 /
5 /
4 Dec 2015 17:31:23
1: 2. 2435
70. 000000MHz
2: 1. 3344
70. 000000MHz
REF 0
REF 0
1
CH1Markers
REF=1
2:-34. 412dB
70. 0000MHz
Cor
3:-46. 743dB
140
. 000MHz
Cor
2
1
3
2
START. 010000MHz
STOP
1 000
. 000000MHz
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. 000000MHz
http://www.itf.co.kr
SPAN30. 000000MHz
[email protected]
2015. 12. 22
Rev 1.0
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