250303B

SAW Bandpass Filter 250303B
1. Features
IF bandpass filter
High attenuation
Single-ended operation
Dip Package
Maximum Storage Temperature Range : -40℃ ~ 85℃
Electrostatics Sensitive Device (ESD)
2.5±0.2
Package : D3512
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
25.4±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
140-3.5M
250303B
ITF 08A001
35.1±0.5
12.8±0.5
2.5±0.2
2. Package Dimension
1
Input
5
Output
2, 4
Ground
3, 6
Case ground
Part No.
250303B
Rev. Date
2008-07-17
Rev.
NW8017-CS01
1/5
SAW Bandpass Filter 250303B
3. Specifications
Fo = 140.0 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
-
140.0
-
dB
-
22.0
24.0
2dB Bandwidth
MHz
-
3.52
3.6
3dB Bandwidth
MHz
-
3.62
-
25dB Bandwidth
MHz
-
4.28
4.4
40dB Bandwidth
MHz
-
4.48
-
dB
-
0.4
1.0
Group Delay Variation (Fo +/- 1.55 MHz)
nsec
-
140
270
Absolute Delay
usec
-
3.18
-
50
55
-
-
-0.03
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 1.55 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
dB
ppm/°C
2
Notes :
1)
All specifications are based on the matching schematic shown below
2)
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
3)
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.
250303B
Rev. Date
2008-07-17
Rev.
NW8017-CS01
2/5
SAW Bandpass Filter 250303B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
L2
Input
50Ω
L3
L1
Output
50Ω
L4
L1 = L4 = 33 nH
L2 = L3 = 47 nH
5. Marking Configuration
ITF1) 08A0012)
250303B3)
1404)-3.5M5)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Center Frequency
5) 2dB-Bandwidth
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
250303B
Rev. Date
2008-07-17
Rev.
NW8017-CS01
3/5
SAW Bandpass Filter 250303B
6. Typical Performance ( at +25℃
℃)
CH1
CH3
S21
S21
LOG
LOG
10 dB/
10 dB/
10 Jul 2008 16:14:08
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -22.1 dB
REF -22.1 dB
250303B G071
CH1 Markers
BW:
1
Cor
4. 283161
MHz
cent : 139 . 991511
MHz
REF=1
Q: 32 . 684
2
1_loss : -22 . 124 dB
Cor
3
4
3
4
BW
cent
CH3 Markers
:
4. 478361
MHz
: 139 . 991975
MHz
REF=1
1_
Q: 31 . 260
loss : -22 . 124 dB
CENTER 140 . 000 000 MHz
CH2
CH4
S21
S21
LOG
DEL
1 dB/
200 ns/
SPAN
15 . 000 000 MHz
10 Jul 2008 16:14:13
1: 0. 0000 dB
0. 000 000 MHz
3: -36 . 430 ns
3. 100 000 MHz
REF -22.1 dB
REF 3.3 us
CH2 Markers
BW:
3. 611220
MHz
cent : 139 . 999372
MHz
REF=1
Q: 38 . 768
1
1_loss : -22 . 126 dB
2
4
3
2
Cor
3
4
Smo
CH4 Markers
mean : 3. 1794 us
Cor
REF=2
s. dev : 32 . 538 ns
p-p : 150 . 87 ns
CENTER 140 . 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN
4. 000 000 MHz
2
Part No.
250303B
Rev. Date
2008-07-17
Rev.
NW8017-CS01
4/5
SAW Bandpass Filter 250303B
CH2 S21
CH4 S21
LOG
LOG
1 dB/
1 dB/
10 Jul 2008 16:14:24
1: 0. 0000 dB
0. 000 000 MHz
3: . 04740 dB
3. 100 000 MHz
REF -22.1 dB
REF -22.1 dB
CH1 S21
LOG
10 dB/
10 Jul 2008 16:15:06
1: 0. 0000 dB
0. 000 000 MHz
REF -22.1 dB
250303B G071
CH2 Markers
BW:
3. 527499 MHz
CH1 Markers
REF=1
2:-36 . 885 dB
86. 0000 MHz
1
cent : 140 . 004252 MHz
Q: 39. 689
1
REF=1
3:-38 . 902 dB
114 . 000 MHz
1_loss : -22 . 144 dB
4:-64 . 176 dB
140 . 000 MHz
2
3
3
4
2
2
3
Cor
CH4 Markers
mean: -22 . 191 dB
Cor
REF=2
s. dev : . 09700 dB
p-p : . 46490 dB
CENTER 140 . 000 000 MHz
CH1 S11
CH3 S22
SWR
SWR
1 /
1 /
SPAN
4. 000 000 MHz
10 Jul 2008 16:14:43
1: 2. 4136
140 . 000 000 MHz
2: 3. 1658
140 . 000 000 MHz
REF 1
REF 1
4
2
4
START
CH1 S11
CH3 S22
250303B G071
. 010 000 MHz
1 U FS
1 U FS
STOP 500 . 000 000 MHz
1: 23. 733
2: 16. 800
-17 . 067
-12 . 065
10 Jul 2008 16:14:33
66. 608 pF
140 . 000 000 MHz
94. 221 pF
140 . 000 000 MHz
250303B G071
Cor
Cor
Cor
Cor
1
2
1
2
CENTER 140 . 000 000 MHz
SPAN 15. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
CENTER 140 . 000 000 MHz
SPAN 15. 000 000 MHz
Part No.
250303B
Rev. Date
2008-07-17
Rev.
NW8017-CS01
5/5
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