SAW Bandpass Filter 251451B
1. Features
IF Bandpass Filter
High Attenuation
Single-Ended Operation
Ceramic Surface Mount Device (SMD) Package
Maximum Storage Temperature Range : -40
℃
~ 85
℃
Electrostatics Sensitive Device (ESD)
2. Package Dimensions
20.00±0.2
2.30±0.1
7.62±0.1
10
9
8
7
6
6
7
8
9
10
ITF08A001
251451B
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
Package : S 20.0 X 9.8
Pad Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Ceramic
Lid : Kovar, Ni Plated
Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating
10
5
4,1
Other
Input
Output
Ground
Case ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
251451B
2008-2-29
NM7057-CS01
1/5
SAW Bandpass Filter 251451B
3. Specifications
Fo = 120.0 MHz
Terminating source impedance
Terminating load impedance
: 50Ω and matching network
: 50Ω and matching network
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo±6.92 MHz)
Group Delay Variation (fo±6.92 MHz)
Absolute Delay
Ultimate Rejection
Absolute Delay
Fo±7.7MHz
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
-
-
14.3
-
-
-
-
-
50
120.0
22.7
14.39
14.66
15.82
0.56
40
2.38
55
-
24.0
-
-
16.0
1.0
90
-
-
dB
ppm/°C
10
-
18
-72
-
-
Notes :
1)
2)
3)
All specifications are based on the matching schematic shown below
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
All attenuation measurements are measured relative to insertion loss
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
251451B
2008-2-29
NM7057-CS01
2/5
SAW Bandpass Filter 251451B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input
50
Ω
L1
L2
Output
50
Ω
C1
C2
L1 = 33nH, L2 = 33nH
C1 = 36pF, C2 = 39pF
5. Marking Configuration
ITF
1)
08A001
2)
251451B
3)
4)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Pad Number 1 Index
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
251451B
2008-2-29
NM7057-CS01
3/5
SAW Bandpass Filter 251451B
6. Typical Performance ( at +25℃ )
℃
10 Nov 2007 14:04:53
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
LOG
10 dB/
REF -22.74 dB
*
CH1 Markers
1
Cor
2
BW 15. 829815 MHz
:
cent : 120. 013623 MHz
Q 7. 5815
:
1_loss : -22 . 737 dB
REF=1
Hld
3
4
CENTER 120. 000 000 MHz
SPAN 40. 000 000 MHz
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
REF -22.54 dB
REF 2.36 us
10 Nov 2007 14:08:28
1: 0. 0000 dB
0. 000 000 MHz
3:-11 . 727 ns
13. 840 000 MHz
CH1 Markers
BW 14. 667746 MHz
:
Cor
cent : 120. 029235 MHz
Q 8. 1832
:
1
2
1_loss : -22 . 720 dB
REF=1
3
Smo
Cor
3
CH2 Markers
mean: 2. 3830 us
s. dev : 9. 7082 ns
p-p : 41. 378 ns
2
4
REF=2
CENTER 120. 000 000 MHz
SPAN 17. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
251451B
2008-2-29
NM7057-CS01
4/5
SAW Bandpass Filter 251451B
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
REF -22.54 dB
REF -23.04 dB
10 Nov 2007 14:08:01
1: 0. 0000 dB
0. 000 000 MHz
3: - . 09110 dB
13. 840 000 MHz
CH1
CH2
S11
S22
LOG
LOG
1 dB/
1 dB/
REF -3.289 dB
REF -3.403 dB
10 Nov 2007 14:09:59
1: -3 . 2945 dB
120 . 000 000 MHz
2: -3 . 3944 dB
120 . 000 000 MHz
CH1 Markers
BW
:
Cor
14. 391104 MHz
REF=1
Cor
cent : 120 . 028182 MHz
Q: 8. 3404
1
2
1_loss : -22 . 716 dB
1
3
3
2
Cor
CH2 Markers
mean: -22 . 767 dB
s. dev : . 12150 dB
p-p : . 56510 dB
4
Cor
2
REF=2
CENTER 120 . 000 000 MHz
SPAN 17. 000 000 MHz
CENTER 120 . 000 000 MHz
SPAN 40. 000 000 MHz
CH1
S21
LOG
10 dB/
REF -22.07 dB
10 Nov 2007 14:11:26
1: 0. 0000 dB
0. 000 000 MHz
CH1
CH2
*
S21
S21
LOG
LOG
10 dB/
10 dB/
REF -22.74 dB
REF -21.87 dB
10 Nov 2007 14:06:30
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
2: -72 . 174 dB
120 . 000 MHz
1
3: -67 . 761 dB
240 . 000 MHz
CH1 Markers
REF=1
Cor
1
2: -19 . 428 dB
-7 . 70000 MHz
REF=1
2
Hld
2
CH2 Markers
2: -16 . 420 dB
7. 70000 MHz
REF=1
Hld
3
STOP 400 . 000 000 MHz
START
. 010 000 MHz
2
CENTER 120 . 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
Part No.
Rev. Date
Rev.
251451B
2008-2-29
NM7057-CS01
5/5
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