240.0 MHz SAW Filter
Part Number
266451B
1. Features
Typical 1dB bandwidth of
63.1 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : -10℃ ~ +60℃
℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 30.0 MHz)
Group Delay Variation (fo ± 30.0 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
Minimum
-
-
62.9
-
-
-
-
-
42
-
Typical
240.0
27.0
63.13
64.15
68.7
0.5
10
1.00
48
-72
Maximum
-
28.5
-
-
70.0
1.2
30
-
-
-
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 30.65 MHz)
Group Delay Variation (fo ± 30.65 MHz)
dB
dB
nsec
Minimum
-
-
-
Typical
27.0
0.5
10
Maximum
28.5
1.2
30
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
L1
11
5
L2
Output
50
Ω
6.50±0.2
11
12
1.61±0.2
2.54±0.1
ITF 13A001
266451B
。
240-63.1M
1
2
3
4
6
6
1.50±0.1
C1
C2
5
5
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 39nH, L2 = 27nH, C1 = 15pF, C2 = 11pF
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
Pin Configuration
Input
Output
11
5
Ground
Others
sales@itf.co.kr
6, 12
Ground
2013. 04. 01
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
240.0 MHz SAW Filter
Part Number
266451B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -26.51 dB
REF -26.99 dB
22 Jun 2012 17:19:20
1: 0. 0000 dB
0. 000 000 MHz
3: . 03770 dB
61. 300 000 MHz
CH1 S21
LOG
10 dB/
40dB Bandwidth
REF -26.85 dB
22 Jun 2012 17:17:46
1: 0. 0000 dB
0. 000 000 MHz
BW
:
Cor
CH1 Markers
REF=1
63. 130252 MHz
*
BW
:
CH1 Markers
REF=1
68. 707607 MHz
cent : 240 . 132077 MHz
Q: 3. 8038
1_loss : -26 . 800 dB
1
2
1
Cor
2
cent : 240 . 151686 MHz
Q: 3. 4953
1_loss : -26 . 860 dB
3
3
2
Cor
4
CH2 Markers
REF=2
mean:-26 . 782 dB
s. dev : . 09290 dB
p-p : . 48670 dB
3
4
CENTER 240 . 000 000 MHz
SPAN 75. 000 000 MHz
CENTER 240 . 000 000 MHz
SPAN 200 . 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
20 ns/
REF -26.51 dB
REF 994.6 ns
22 Jun 2012 17:19:43
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 4343 ns
61. 300 000 MHz
CH1 S11
CH2 S22
1 U FS
1 U FS
Smith Chart(S11&S22)
1: 22. 089
2: 8. 9858
25. 814
6. 0073
22 Jun 2012 17:21:02
17. 119 nH
240 . 000 000 MHz
3. 9837 nH
240 . 000 000 MHz
BW
:
Cor
CH1 Markers
REF=1
64. 154632 MHz
Cor
1
cent : 240 . 139569 MHz
Q: 3. 7431
1_loss : -26 . 769 dB
1
2
2
3
Smo
Cor
3
2
CH2 Markers
REF=2
mean: 1. 0023 us
4
s. dev : 2. 1608 ns
p-p : 10. 091 ns
Cor
CENTER 240 . 000 000 MHz
SPAN 75. 000 000 MHz
CENTER 240 . 000 000 MHz
SPAN 200 . 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -28.38 dB
22 Jun 2012 17:22:08
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
SWR(S11 & S22)
REF 2.971
REF 5.635
22 Jun 2012 17:20:42
1: 2. 9728
240 . 000 000 MHz
2: 5. 6458
240 . 000 000 MHz
CH1 Markers
REF=1
2: -65 . 476 dB
240 . 000 MHz
3: -67 . 890 dB
480 . 000 MHz
Cor
1
1
Cor
2
2
START
. 010 000 MHz
3
STOP 800 . 000 000 MHz
CENTER 240 . 000 000 MHz
SPAN 200 . 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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