115.2 MHz SAW Filter
Part Number
251166B
1. Features
Typical 1dB bandwidth of 11.2 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30℃ ~ +80℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 4.875 MHz)
Group Delay Variation (fo ± 4.875 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
Minimum
115.05
-
10.8
-
-
-
-
-
40
-
Typical
115.2
12.0
11.2
11.81
14.05
0.65
100
1.38
45
-86
Maximum
115.35
14.0
-
-
14.5
1.0
200
-
-
-
Room Temperature : +25℃
Insertion Loss
Amplitude Ripple (fo ± 5.3975 MHz)
Group Delay Variation (fo ± 5.3975 MHz)
Relative Attenuation
Fo + 7.35 MHz
dB
dB
dB
nsec
Minimum
-
-
-
Typical
12.0
0.65
100
Maximum
13.5
1.0
200
40
45
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
Input
50
Ω
11
C
1
11
5
L2
O
utput
50
Ω
6.50±0.2
11
12
1.61±0.2
2.54±0.1
ITF 15A001
251166B
. 115.2-9.5M
1
2
3
4
6
6
1.50±0.1
5
5
L1
12
3
2
2.54±0.1
1
0.80±0.1
C
2
4
L1 = 22nH, C1 = 120pF, L2 = 22nH, C2 = 130pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
11
5
Ground
Others
sales@itf.co.kr
6, 12
Ground
2015. 03. 16
Rev 1.0
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
http://www.itf.co.kr
115.2 MHz SAW Filter
Part Number
251166B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
REF -11.5 dB
REF -11.5 dB
12 Mar 2015 20:31:53
1: 0. 0000 dB
0. 000 000 MHz
3: . 08240 dB
10 . 795 000 MHz
CH2 Markers
REF=1
11 . 182963 MHz
MHz
Cor
Q: 10 . 301
1
2
1_loss : -11 . 778 dB
CH1
S21
LOG
10 dB/
40dB Bandwidth
REF -11.5 dB
12 Mar 2015 20:30:38
1: 0. 0000 dB
0. 000 000 MHz
BW
:
cent : 115 . 198237
1
2
BW
:
CH1 Markers
REF=1
14 . 027728 MHz
MHz
cent : 115 . 192448
Q: 8. 2118
1_loss : -11 . 772 dB
3
3
2
Cor
4
CH4 Markers
REF=2
mean : -11 . 776 dB
s. dev : . 07260
p-p : . 63230
dB
dB
3
4
Cor
CENTER 115 . 200 000 MHz
SPAN
14 . 500 000 MHz
4
2
CENTER 115 . 200 000 MHz
SPAN
45 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
200 ns/
REF -11.5 dB
REF 1.31 us
12 Mar 2015 20:31:26
1: 0. 0000 dB
0. 000 000 MHz
3: -54 . 516 ns
10 . 795 000 MHz
CH2 Markers
REF=14
11 . 818398 MHz
MHz
Cor
Q: 9. 7489
1_loss : -11 . 784 dB
1
2
3
2
CH1
S21
Relative Attenuation(Fo + 7.35MHz)
LOG
10 dB/
REF -11.5 dB
12 Mar 2015 20:30:57
1: 0. 0000 dB
0. 000 000 MHz
BW
:
cent : 115 . 216117
1
CH1 Markers
REF=1
2: -51 . 829 dB
7. 35000 MHz
Cor
Smo
Cor
3
CH4 Markers
REF=2
mean 4 1. 3741 us
:
s. dev : 13 . 109 ns
p-p : 87 . 291 ns
2
CENTER 115 . 200 000 MHz
SPAN
14 . 500 000 MHz
2
CENTER 115 . 200 000 MHz
SPAN
45 . 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
REF -11.5 dB
12 Mar 2015 20:33:31
1: 0. 0000 dB
0. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
SWR(S11 & S22)
REF 0
REF 0
12 Mar 2015 20:32:40
1: 1. 5396
115 . 200 000 MHz
2: 2. 7002
115 . 200 000 MHz
1
CH1 Markers
REF=1
2: -57 . 298 dB
115 . 200 MHz
3: -63 . 740 dB
230 . 400 MHz
Cor
Cor
1
2
2
3
START
. 010 000 MHz
STOP 500 . 000 000 MHz
CENTER 115 . 200 000 MHz
SPAN
45 . 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
http://www.itf.co.kr
sales@itf.co.kr
2015. 03. 16
Rev 1.0
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