Dual band SAW Filter
Part Number
251658B
1. Features
15MHz BW IF Dual Bandpass Filter
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
2-1. F
1
Electriacl Specification
Room Temperature : +25℃
℃
Center Frequency (F
1
)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (F
1
+/- 7.6 MHz)
Group Delay Variation (F
1
+/- 7.6 MHz)
Absolute Delay (F
1
+ F
2
)
Ultimate Rejection
Temperature Coefficient of Frequency
dB
nsec
usec
dB
ppm/℃
℃
-
45
-
1.87
52
-72
-
-
-
-
MHz
dB
MHz
MHz
Minimum
-
-
15.6
-
Typical
116.5
26.5
15.7
16.15
17.85
0.7
Maximum
-
27.8
-
-
18.0
1.2
2-2. F
2
Electrical Specification
Room Temperature : +25℃
℃
Center Frequency (F
2
)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (F
2
+/- 7.6 MHz)
Group Delay Variation (F
2
+/- 7.6 MHz)
Absolute Delay (F
1
+F
2
)
Ultimate Rejection
Temperature Coefficient of Frequency
dB
nsec
usec
dB
ppm/℃
℃
-
45
-
1.87
52
-72
-
-
-
-
MHz
dB
MHz
MHz
Minimum
-
-
15.6
-
Typical
161.5
27.5
15.78
16.13
17.88
0.9
Maximum
-
28.6
-
-
18.0
1.4
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
Dual band SAW Filter
Part Number
251658B
S2098 Package Dimension
20.00±0.2
2.30±0.1
7.62±0.1
10
9
8
7
6
6
7
8
9
10
ITF 11A001
251658B
。
15M-Dual
1
2
3
4
5
1.02±0.1
9.80±0.2
5
4
3
2
1
1.91±0.1
1.56±0.2
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
Matching Network Configuration
10
Input
50
Ω
47nH
5
56nH
Output
50
Ω
Pin Configuration
Input
Output
10
5
Ground
Others
1, 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
Dual band SAW Filter
Part Number
251658B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth
CH2 S21
CH4 S21
LOG
LOG
1 dB/
1 dB/
REF -26.1 dB
REF -26.11 dB
20 Jan 2010 14:32:18
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
3dB Bandwidth
REF -26.2 dB
REF -26.2 dB
20 Jan 2010 14:29:27
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
CH2 Markers
REF=1
BW 15. 714548 MHz
:
cent : 116. 519820 MHz
Q 7. 4148
:
1_loss : -26 . 217 dB
Cor
1
2
1
2
2
3
4
3
2
4
Cor
1
1
CH1 Markers
REF=1
BW 16. 107445 MHz
:
cent : 116. 512437 MHz
Q 7. 2335
:
1_loss : -26 . 247 dB
3
4
3
Cor
CH4 Markers
4 REF=1
BW 15. 748822 MHz
:
cent : 161. 452412 MHz
Q 10. 252
:
CH3 Markers
REF=1
BW 16. 132574 MHz
:
cent : 161. 428789 MHz
Q 10. 006
:
1_loss : -27 . 069 dB
Cor
1_loss : -27 . 043 dB
CENTER 139. 000 000 MHz
SPAN 75. 000 000 MHz
2
4
CENTER 139. 000 000 MHz
SPAN 150. 000 000 MHz
40dB Bandwidth
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
REF -26.2 dB
REF -26.2 dB
20 Jan 2010 14:29:14
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
CH2 S21
CH4 S21
LOG
LOG
Amplitude Ripple
1 dB/
1 dB/
REF -26.1 dB
REF -26.11 dB
20 Jan 2010 14:31:27
3:- . 10990 dB
15. 200 000 MHz
3: . 34180 dB
15. 200 000 MHz
CH1 Markers
REF=1
BW 17. 847634 MHz
:
Cor
1
2
Cor
1
2
cent : 116. 524615 MHz
Q 6. 5289
:
1_loss : -26 . 247 dB
CH2 Markers
REF=2
mean: -26 . 305 dB
s. dev : . 15420 dB
p-p : . 64990 dB
3
2
3
2
3
4
3
4
CH3 Markers
REF=1
BW 17. 873369 MHz
:
cent : 161. 418167 MHz
Q 9. 0312
:
1_loss : -27 . 069 dB
Cor
CH4 Markers
REF=2
mean: -27 . 124 dB
s. dev : . 17860 dB
p-p : . 88160 dB
Cor
CENTER 139. 000 000 MHz
SPAN 150. 000 000 MHz
CENTER 139. 000 000 MHz
SPAN 75. 000 000 MHz
4
2
Group delay
CH2 S21
CH4 S21
DEL
DEL
50 ns/
50 ns/
REF 1.88 us
REF 1.88 us
20 Jan 2010 14:33:26
1: 1. 8804 us
116. 500 000 MHz
1: 1. 8775 us
161. 500 000 MHz
CH1 S11
CH3 S22
*
SWR
SWR
5 /
5 /
SWR(S11 & S22)
REF 5.077
REF 4.195
20 Jan 2010 14:34:40
1: 5. 0771
116. 500 000 MHz
1: 4. 1946
161. 500 000 MHz
Cor
C2
1
1
1
Smo
Cor
Smo
1
Cor
CENTER 139. 000 000 MHz
SPAN 75. 000 000 MHz
4
2
CENTER 139. 000 000 MHz
SPAN 150. 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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