105.0 MHz SAW Filter
Part Number
251208B
1. Features
Typical 1dB bandwidth of
12.0 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 5.9 MHz)
Group Delay Variation (fo ± 5.9 MHz)
Absolute Delay
Ultimate Rejection
Out of Bandgain
( Fo±5.9MHz ) ± 400 kHz
Temperature Coefficient of Frequency
Input Power :+10dBm
Minimum
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dB
ppm/℃
℃
-
-
11.9
12.1
-
-
-
-
43
-
-
Typical
105.0
28.4
12.0
12.18
12.84
0.6
60
4.95
48
16.5
-18
Maximum
-
30.0
-
-
13.0
1.2
110
-
-
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
Input
50
Ω
L1
1
5
L2
Output
50
Ω
ITF 13A001
251208B
105-12.0M
C1
25.4±0.2
C2
35.1±0.5
0.45±0.05
2.5±0.2
L1 = L2 = 68nH, C1 = C2 = 68pF
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
2013. 04. 01
Rev 1.0
105.0 MHz SAW Filter
Part Number
251208B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -28.3 dB
REF -28.84 dB
7 Jun 2012 21:31:15
1: 0. 0000 dB
0. 000 000 MHz
3:- . 23380 dB
11. 800 000 MHz
CH1 S21
LOG
40dB BandWidth
10 dB/
REF -28.48 dB
7 Jun 2012 21:30:38
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 12. 003796 MHz
:
Cor
cent : 105. 005758 MHz
Q 8. 7477
:
1
2
1_loss : -28 . 376 dB
1
Cor
2
CH1 Markers
REF=1
BW 12. 848973 MHz
:
cent : 104. 998446 MHz
Q 8. 1717
:
1_loss : -28 . 481 dB
3
4
3
2
Cor
CH2 Markers
REF=2
mean:-28 . 500 dB
s. dev : . 13900 dB
p-p : . 63870 dB
3
4
CENTER 105. 000 000 MHz
SPAN 15. 000 000 MHz
CENTER 105. 000 000 MHz
SPAN 40. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
REF -28.3 dB
REF 4.907 us
7 Jun 2012 21:31:37
1: 0. 0000 dB
0. 000 000 MHz
3: 9. 9690 ns
11. 800 000 MHz
CH1 S21
LOG
10 dB/
Out of Bandgain
REF -28.48 dB
7 Jun 2012 21:30:26
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 12. 181470 MHz
:
Cor
cent : 105. 010682 MHz
Q 8. 6205
:
1
2
3
5
1_loss : -28 . 365 dB
1
Cor
2
4
CH1 Markers
REF=1
2:- . 06150 dB
-5 . 90000 MHz
3:-17 . 950 dB
-6 . 30000 MHz
4:- . 30490 dB
5. 90000 MHz
5:-15 . 916 dB
6. 30000 MHz
3
Smo
Cor
CH2 Markers
4 REF=2
mean: 4. 9507 us
s. dev : 11. 103 ns
p-p : 60. 832 ns
2
3
CENTER 105. 000 000 MHz
SPAN 15. 000 000 MHz
CENTER 105. 000 000 MHz
SPAN 40. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -30.37 dB
7 Jun 2012 21:32:53
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
SWR(S11 & S22)
REF 1.173
REF 1.493
7 Jun 2012 21:32:14
1: 1. 1732
105. 000 000 MHz
2: 1. 4926
105. 000 000 MHz
CH1 Markers
REF=1
2:-65 . 004 dB
10. 0000 MHz
3:-66 . 618 dB
115. 000 MHz
Cor
1
1
Cor
2
2
START . 010 000 MHz
3
STOP 350. 000 000 MHz
CENTER 105. 000 000 MHz
SPAN 40. 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
2013. 04. 01
Rev 1.0
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