262907B

255.0 MHz SAW Filter
Project name 262907B
1. Features
Typical 1dB bandwidth of 29.4 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Operating Temperature : -10℃
℃ ~ +60℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 14.22 MHz)
Group Delay Variation (fo ± 14.22 MHz)
Absolute Delay
Ultimate Rejection
Maximum input Power
Temperature Coefficient of Frequency
Minimum
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dBm
ppm/℃
℃
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 14.38 MHz)
Group Delay Variation (fo ± 14.38 MHz)
-
255.0
-
-
31.0
32.5
29.30
29.45
-
-
29.77
-
-
31.18
31.30
-
0.5
1.2
-
35
70
-
2.68
-
50
53
-
-
-
10
-
-18
-
Minimum
Typical
Maximum
-
31.0
32.5
-
0.5
1.2
-
35
70
dB
dB
nsec
7.6±0.2
L1
Input
50Ω
1
5
L2
Output
50Ω
C2
12.7±0.2
2.5±0.2
C1
0.45±0.05
ITF 13A001
262907B
255-29.4M
20.3±0.5
5.5max 6.0max
Matching Schematic
2.5±0.2
D2012 Package Dimension
12.7±0.5
Source and Load Impedance = 50Ω
Typical
Maximum
L1 = L2 = 18nH, C1 = 27pF, C2 = 22pF
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
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
1
Ground
2,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 03. 27
Rev 1.0
255.0 MHz SAW Filter
Project name 262907B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple(Fo ± 14.38 MHz)
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
8 Jan 2012 21:57:12
1: 0. 0000 dB
0. 000 000 MHz
3: - . 00720 dB
28. 760 000 MHz
REF -30.61 dB
REF -31.04 dB
BW:
CH1 Markers
REF=1
29. 457792 MHz
cent : 255 . 002863 MHz
Cor
40dB Bandwidth
CH1 S21
LOG
10 dB/
8 Jan 2012 21:52:53
1: 0. 0000 dB
0. 000 000 MHz
REF -30.8 dB
*
BW:
1
Cor
cent : 254 . 994455 MHz
Q: 8. 6565
2
Q: 8. 1761
1_loss : -30 . 788 dB
1
CH1 Markers
REF=1
31. 187855 MHz
1_loss : -30 . 864 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-30 . 789 dB
Cor
3
4
s. dev : . 09660 dB
p-p : . 50110 dB
CENTER 255 . 000 000 MHz
SPAN 36. 000 000 MHz
CENTER 255 . 000 000 MHz
3dB Bandwidth & Group Delay(Fo ± 14.38 MHz)
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
8 Jan 2012 21:58:07
1: 0. 0000 dB
0. 000 000 MHz
3: -9 . 0613 ns
28. 760 000 MHz
REF -30.61 dB
REF 2.668 us
BW:
CH1 Markers
REF=1
29. 778901 MHz
cent : 255 . 004521 MHz
Cor
SPAN 100 . 000 000 MHz
50dB Bandwidth
CH1 S21
LOG
10 dB/
8 Jan 2012 21:53:06
1: 0. 0000 dB
0. 000 000 MHz
REF -30.8 dB
*
BW:
1
Cor
cent : 254 . 994981 MHz
Q: 8. 5633
2
Q: 8. 1375
1_loss : -30 . 788 dB
1
CH1 Markers
REF=1
31. 335711 MHz
1_loss : -30 . 864 dB
2
3
2
Smo
Cor
CH2 Markers
REF=2
mean:42. 6884 us
3
s. dev : 5. 9559 ns
3
p-p : 31. 026 ns
CENTER 255 . 000 000 MHz
SPAN 36. 000 000 MHz
CENTER 255 . 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -32.48 dB
4
SPAN 100 . 000 000 MHz
SWR(S11 & S22)
8 Jan 2012 22:07:04
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2: -57 . 896 dB
255 . 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
8 Jan 2012 21:59:28
1: 1. 1893
255 . 000 000 MHz
2: 2. 9204
255 . 000 000 MHz
REF 1.189
REF 2.914
Cor
3: -58 . 087 dB
510 . 000 MHz
1
1
Cor
2
3
2
START
. 010 000 MHz
STOP 800 . 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 255 . 000 000 MHz
http://www.itf.co.kr
SPAN 100 . 000 000 MHz
[email protected]
2013. 03. 27
Rev 1.0
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