115.0 MHz SAW Filter
Part Number
250918B
1. Features
Typical 1dB bandwidth of 9.2 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
35dB Bandwidth
Amplitude Ripple (fo ± 4.4 MHz)
Group Delay Variation (fo ± 4.4 MHz)
Absolute Delay
fo ± 5.2 MHz
Relative attenuation
fo ± 6.0 MHz
fo ± 10.0 MHz
fo ± 15.0 MHz
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dB
dB
dB
ppm/℃
℃
Minimum
-
-
9.1
-
-
-
-
-
25
48
48
50
-
Typical
115.0
22.0
9.17
9.4
10.32
0.55
65
2.51
42
55
55
55
-72
Maximum
-
23.5
-
-
10.4
1.0
150
-
-
-
-
-
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
18nH
Input
50
Ω
1
5
18nH
39pF
Output
50
Ω
39pF
ITF 11A001
250918B
115-9.2M
35.1±0.5
0.45±0.05
2.5±0.2
25.4±0.2
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
1
5
Ground
Others
2,4
Ground
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
2011. 06. 27
Rev 1.0
115.0 MHz SAW Filter
Part Number
250918B
3. Typical Performance ( at +25℃ )
℃
35dB Bandwidth
CH1 S21
LOG
10 dB/
REF -21.73 dB
8 Mar 2011 17:07:26
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
CH2 S21
LOG
LOG
1dB Bandwidth & Ripple
1 dB/
1 dB/
REF -21.72 dB
REF -22.35 dB
8 Mar 2011 17:09:10
1: 0. 0000 dB
0. 000 000 MHz
3: . 09210 dB
8. 800 000 MHz
*
CH1 Markers
REF=1
BW 10. 323292 MHz
:
Cor
cent : 114. 951514 MHz
2
Q 11. 135
:
1_loss : -21 . 995 dB
1
2
BW
:
CH1 Markers
REF=1
9. 170067 MHz
Cor
1
cent : 114. 971920 MHz
Q 12. 538
:
1_loss : -21 . 992 dB
3
3
3
4
Cor
2
4
CH2 Markers
REF=2
mean:-21 . 954 dB
s. dev : . 12570 dB
p-p : . 53070 dB
CENTER 115. 000 000 MHz
SPAN 35. 000 000 MHz
5
CENTER 115. 000 000 MHz
SPAN 11. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
200 ns/
REF -21.72 dB
REF 2.473 us
8 Mar 2011 17:09:22
1: 0. 0000 dB
0. 000 000 MHz
3: 6. 1036 ns
8. 800 000 MHz
CH1 S21
CH3 S12
*
LOG
LOG
Relative attenuation
10 dB/
10 dB/
REF -21.73 dB
REF -21.7 dB
8 Mar 2011 17:08:36
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
BW
:
Cor
CH1 Markers
REF=1
9. 407801 MHz
CH1 Markers
REF=1
2:-36 . 832 dB
-5 . 20000 MHz
1
3:-60 . 552 dB
-6 . 00000 MHz
4:-65 . 170 dB
-10 . 0000 MHz
cent : 114. 965905 MHz
Q 12. 220
:
1_loss : -21 . 991 dB
1
2
Cor
C2
5:-60 . 386 dB
-15 . 0000 MHz
3
Smo
Cor
3
2
CH2 Markers
REF=2
mean: 4 5143 us
2.
s. dev : 13. 572 ns
p-p : 63. 254 ns
2
2
CH3 Markers
REF=1
2:-51 . 089 dB
5. 20000 MHz
3:-62 . 954 dB
6. 00000 MHz
4:-60 . 477 dB
10. 0000 MHz
5:-68 . 952 dB
15. 0000 MHz
5
5
4
3
3
4
5
CENTER 115. 000 000 MHz
SPAN 11. 000 000 MHz
CENTER 115. 000 000 MHz
SPAN 35. 000 000 MHz
Wideband properties
CH1 S21
LOG
10 dB/
REF -23.18 dB
8 Mar 2011 17:10:45
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
SWR (S11&S22)
REF 6.779
REF 6.225
8 Mar 2011 17:09:50
1: 6. 7817
115. 000 000 MHz
2: 6. 2390
115. 000 000 MHz
CH1 Markers
REF=1
2:-61 . 913 dB
115. 000 MHz
3:-57 . 720 dB
230. 000 MHz
Cor
1
1
Cor
2
3
2
START . 010 000 MHz
STOP 400. 000 000 MHz
CENTER 115. 000 000 MHz
SPAN 35. 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
2011. 06. 27
Rev 1.0
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