233251B

75.0 MHz SAW Filter
Part Number 233251B
1. Features

Typical 1dB bandwidth of 31.4 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30℃ ~ +80℃
Minimum
Typical
Maximum
MHz
-
75.0
-
dB
-
17.5
20.0
1dB Bandwidth
MHz
31.0
31.4
-
3dB Bandwidth
MHz
-
32.65
-
40dB Bandwidth
MHz
-
38.3
38.8
dB
-
0.3
1.0
Group Delay Variation (fo ± 14.22 MHz)
nsec
-
15
50
Absolute Delay
usec
-
0.78
0.8
dB
40
45
-
ppm/℃
-
-86
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 14.22 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
17.5
19.5
Amplitude Ripple (fo ± 14.58 MHz)
dB
-
0.3
1.0
nsec
-
15
50
Group Delay Variation (fo ± 14.58 MHz)
S1365 Package Dimension
13.30±0.2
8
7.62±0.1
7
ITF 12A001
233251B
. 75-31.4M
11
12
1
2
3
7
9
8
10
11
6
6
1.50±0.1
5
5
4
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Schematic
L2
I nput
50Ω
15nH
11
5
12nH
L3
Out put
50Ω
12
L1
4
3
2
2.54±0.1
180nH
L4 100nH
1
0.80±0.1
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]
2012. 06. 21
Rev 1.0
75.0 MHz SAW Filter
Part Number 233251B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
21 Jun 2012 13:55:00
1: 0. 0000 dB
0. 000 000 MHz
3: - . 11260 dB
29 . 160 000 MHz
REF -17.1 dB
REF -17.1 dB
BW:
cent :
CH2
CH4
S21
S21
LOG
DEL
1 dB/
100 ns/
21 Jun 2012 13:54:46
1: 0. 0000 dB
0. 000 000 MHz
3: -1 . 0377 ns
29 . 160 000 MHz
REF -17.1 dB
REF 772 ns
CH2 Markers
REF=1
31 . 341189 MHz
74 . 831075
BW:
MHz
cent :
CH2 Markers
REF=1
32 . 647646 MHz
74 . 948547
Q: 2. 3876
1
1_loss : -17 . 243 dB
1
2
2
3
4
3
3
2
2
4
Cor
CH4 Markers
REF=2
mean : -17 . 324 dB
Cor
s. dev : . 04490
dB
Smo
p-p : . 28060
dB
Cor
CH4 Markers
4 REF=2
mean : 782
. 55 ns
3
s. dev : 2. 6415 ns
p-p : 13 . 131 ns
Cor
CENTER
75 . 000 000 MHz
SPAN
38 . 000 000 MHz
2
4
CENTER
75 . 000 000 MHz
40dB Bandwidth
CH1
MHz
Q: 2. 2957
1_loss : -17 . 237 dB
S21
LOG
10 dB/
BW:
1
Cor
38 . 000 000 MHz
2
Smith Chart(S11 & S22)
21 Jun 2012 13:53:36
1: 0. 0000 dB
0. 000 000 MHz
REF -17.1 dB
SPAN
cent :
2
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 75. 969
2: 109. 78
-125 . 72
-76 . 625
21 Jun 2012 13:55:18
16. 879 pF
75. 000 000 MHz
27. 694 pF
75. 000 000 MHz
CH1 Markers
REF=1
38 . 024512 MHz
75 . 657346
Cor
MHz
Q: 1. 9897
1_loss : -17 . 257 dB
Cor
2
3
CENTER
4
75 . 000 000 MHz
SPAN
1
85 . 000 000 MHz
CENTER 75. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
21 Jun 2012 13:57:03
1: 0. 0000 dB
0. 000 000 MHz
REF -17.1 dB
CH1 Markers
REF=1
2: -33 . 507 dB
75 . 0000 MHz
1
SPAN 85. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
21 Jun 2012 13:55:54
1: 6. 1775
75 . 000 000 MHz
2: 3. 4288
75 . 000 000 MHz
REF 0
REF 0
Cor
3: -18 . 249 dB
100 . 000 MHz
4: -22 . 095 dB
150 . 000 MHz
Cor
5: -24 . 972 dB
197 . 500 MHz
3
4
5
1
2
2
START
. 010 000 MHz
STOP 400 . 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
75 . 000 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
85 . 000 000 MHz
2012. 06. 21
Rev 1.0
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