SAW Bandpass Filter 251917B
1. Features
IF Bandpass Filter
High Attenuation
Single-Ended Operation
DIP Package
Maximum Storage Temperature Range : -40
℃
~ 85
℃
Electrostatics Sensitive Device (ESD)
2. Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
ITF 08A001
251917B
119.9-19.0M
35.1±0.5
Package : D3512
0.45±0.05
2.5±0.2
Pin Configuration
1
Input
Output
Ground
Case ground
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
5
2, 4
3, 6
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.
251917B
2008-10-30
NM8054-CS01
1/5
25.4±0.2
SAW Bandpass Filter 251917B
3. Specifications
Fo = 119.9 MHz
Terminating source impedance
Terminating load impedance
: 50Ω and matching network
: 50Ω and matching network
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 9.42 MHz)
Group Delay Variation (fo ± 9.42 MHz)
Absolute Delay
Ultimate Rejection
Relative Attenuation
Fo ± 10.0MHz
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
-
-
18.9
-
-
-
-
-
50
119.9
28.0
19.0
19.2
20.06
0.7
70
4.68
52
-
30.0
-
-
20.2
2.0
120
-
-
dB
ppm/°C
25
-
34
-18
-
-
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.
251917B
2008-10-30
NM8054-CS01
2/5
SAW Bandpass Filter 251917B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input
50
Ω
L1
L4
Output
50
Ω
L2
L3
L1=82nH, L2=68nH
L3=68nH, L4=82nH
5. Marking Configuration
ITF
1)
08A001
2)
251917B
3)
119.9
4)
-19.0M
5)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Center frequency
5) 1dB-Bandwidth
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.
251917B
2008-10-30
NM8054-CS01
3/5
SAW Bandpass Filter 251917B
6. Typical Performance ( at +25°C )
°
CH1 S21
LOG
10 dB/
REF -28.92 dB
10 Sep 2008 21:32:27
1: 0. 0000 dB
0. 000 000 MHz
*
CH1 Markers
1
Cor
2
BW 20. 062252 MHz
:
cent : 119. 931338 MHz
Q 5. 9780
:
1_loss : -28 . 562 dB
REF=1
Hld
3
4
CENTER 119. 900 000 MHz
SPAN 52. 000 000 MHz
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -28.09 dB
REF -28.63 dB
10 Sep 2008 21:35:50
1: 0. 0000 dB
0. 000 000 MHz
3: . 26560 dB
18. 700 000 MHz
CH1 Markers
BW 18. 993551 MHz
:
Cor
cent : 119. 940526 MHz
Q: 6. 3148
1
2
1_loss : -28 . 279 dB
REF=1
3
4
3
2
Cor
CH2 Markers
mean:-28 . 351 dB
s. dev : . 08960 dB
p-p : . 56100 dB
REF=2
CENTER 119. 900 000 MHz
SPAN 24. 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.
251917B
2008-10-30
NM8054-CS01
4/5
SAW Bandpass Filter 251917B
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
REF -28.09 dB
REF 4.673 us
10 Sep 2008 21:36:12
1: 0. 0000 dB
0. 000 000 MHz
3:-11 . 825 ns
18. 700 000 MHz
CH1 S21
LOG
10 dB/
REF -28.92 dB
10 Sep 2008 21:32:54
1: 0. 0000 dB
0. 000 000 MHz
*
CH1 Markers
BW 19. 191223 MHz
:
Cor
cent : 119. 938838 MHz
Q 6. 2497
:
1
2
Hld
1_loss : -28 . 350 dB
REF=1
1
Cor
CH1 Markers
2:-36 . 427 dB
-10 . 0000 MHz
3:-32 . 615 dB
10. 0000 MHz
REF=1
3
3
Smo
Cor
2
3
CH2 Markers
mean: 4. 6884 us
s. dev : 6. 9387 ns
p-p : 36. 621 ns
4
2
REF=2
CENTER 119. 900 000 MHz
SPAN 24. 000 000 MHz
CENTER 119. 900 000 MHz
SPAN 52. 000 000 MHz
CH2 S21
LOG
1 dB/
REF -27.75 dB
11 Nov 2008 14:05:26
3: - . 32070 dB
18. 837 600 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
REF 2.264
REF 1.808
10 Sep 2008 21:36:57
1: 2. 2643
119. 900 000 MHz
2: 1. 8084
119. 900 000 MHz
CH2 Markers
mean: -27 . 477 dB
s. dev : . 10570 dB
p-p : . 69690 dB
REF=2
Cor
1
3
2
Cor
Cor
2
CENTER 119. 900 000 MHz
SPAN 24. 000 000 MHz
CENTER 119. 900 000 MHz
SPAN 52. 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.
251917B
2008-10-30
NM8054-CS01
5/5
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