120.0 MHz SAW Filter
Part Number
251605B
1. Features
Typical 1dB bandwidth of 16.2 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
40dB Bandwidth
Amplitude Ripple (fo ± 7.7 MHz)
Group Delay Variation (fo ± 7.7 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
Minimum
-
-
-
16.4
-
-
-
-
50
Typical
120.0
24.3
16.2
16.64
18.5
0.4
30
2.75
55
-18
Maximum
-
26.0
-
-
18.6
1.0
80
-
-
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
100nH
Input
50
Ω
1
5
100nH
Output
50
Ω
ITF 11A001
251605B
120-16.2M
0.45±0.05
20.3±0.5
2.5±0.2
120nH
100nH
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
12.7±0.2
Pin Configuration
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. 04. 22
Rev 1.0
120.0 MHz SAW Filter
Part Number
251605B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -24.01 dB
REF -24.36 dB
22 Feb 2010 14:09:51
1: 0. 0000 dB
0. 000 000 MHz
3: . 11990 dB
15. 400 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/
61.15 ns/
REF -24.01 dB
REF 2.738 us
22 Feb 2010 14:10:11
1: 0. 0000 dB
0. 000 000 MHz
3:-4 . 7426 ns
15. 400 000 MHz
CH1 Markers
REF=1
BW 16. 222962 MHz
:
Cor
cent : 120. 070646 MHz
Q 7. 4013
:
1
2
1_loss : -24 . 148 dB
1
2
Cor
CH1 Markers
REF=1
BW 16. 648602 MHz
:
cent : 120. 065635 MHz
Q 7. 2118
:
1_loss : -24 . 148 dB
3
3
4
3
2
Cor
CH2 Markers
REF=2
mean: -24 . 170 dB
s. dev : . 06140 dB
p-p : . 36080 dB
Smo
Cor
3
2
CH2 Markers
REF=2
4
mean: 2. 7532 us
s. dev : 4. 4431 ns
p-p : 21. 683 ns
CENTER 120. 000 000 MHz
SPAN 19. 000 000 MHz
CENTER 120. 000 000 MHz
SPAN 19. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
9.99 dB/
REF -24.11 dB
22 Feb 2010 14:09:06
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
LOG
9.99 dB/
50dB Bandwidth
REF -24.11 dB
22 Feb 2010 14:09:16
1: 0. 0000 dB
0. 000 000 MHz
*
CH1 Markers
REF=1
BW 18. 497504 MHz
:
*
CH1 Markers
REF=1
BW 18. 695663 MHz
:
cent : 120. 051069 MHz
2
Q 6. 4213
:
1_loss : -24 . 186 dB
Cor
1
2
Cor
cent : 120. 057767 MHz
Q 6. 4905
:
1_loss : -24 . 186 dB
1
3
4
3
4
START 92. 500 000 MHz
STOP 147. 500 000 MHz
START 92. 500 000 MHz
STOP 147. 500 000 MHz
Wideband properties
CH1 S21
LOG
10 dB/
REF -25.74 dB
22 Feb 2010 14:12:13
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
SWR(S11 & S22)
REF 2.628
REF 2.905
22 Feb 2010 14:10:53
1: 2. 6281
120. 000 000 MHz
2: 2. 9045
120. 000 000 MHz
CH1 Markers
REF=1
2:-62 . 635 dB
120. 000 MHz
3:-69 . 676 dB
240. 000 MHz
Cor
1
1
Cor
2
2
START . 010 000 MHz
STOP 400. 000 000 MHz
3
CENTER 120. 000 000 MHz
SPAN 55. 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. 04. 22
Rev 1.0
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